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Free audio tools for creators

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Edit, restore, master, analyze and create with 139 focused audio tools plus a full browser DAW. No installs or accounts. Core file processing stays on your device; optional external model downloads are disclosed before their first network request.

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0134 tools

Shape & transform

Master dynamics, space, tone, movement and creative effects β€” from subtle cleanup to radical sound design.

Explore Effects
0225 tools

Repair voice & dialogue

Reduce noise, clicks, breaths and room problems, then transcribe, separate or reshape spoken audio.

Explore Voice & AI
0341 tools

Edit & deliver files

Trim, split, synchronize, convert, repair metadata and prepare dependable files for the next stage.

Explore Edit & Convert
0437 tools

Create & understand

Generate musical material, find tempo and key, inspect signals and turn recordings into reusable production data.

Explore Create & Analyze

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    Hear the fixtures.
    Inspect the outputs.

    Explore downloadable inputs, rendered outputs and repeatable browser methods for fourteen AudioWrench tools.

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    14 tools with downloadable fixtures and browser outputs.
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    FixturesRendered outputNetwork activityMethods

    🎡 Effects.

    Browse the Effects hub β†’

    Morph two recordings spectrally, match a reference, load custom impulse responses, shape dynamic bands, harmonics, texture, motion and space

    🎚️

    Mastering Studio

    Our flagship: a complete free mastering suite β€” stem rebalance, transient revival, match EQ, bass control, glue, maximizer with LUFS targets, codec preview and dithered export.

    Open tool β†’     ⛓️

    Audio Effects Chain Studio

    Build, reorder, bypass and A/B a live multi-effect audio chain in your browser, then export the reviewed result locally without uploading the source.

    Open tool β†’     🧱

    Online Audio Limiter

    Control sample peaks with input gain, ceiling, lookahead, release and stereo-link settings, plus a measured local gain-reduction receipt.

    Open tool β†’     πŸ“‰

    Online Dynamic Range Compressor

    Even out audio dynamics with threshold, ratio, knee, detector, attack, release, makeup and stereo-link controls plus measured gain reduction.

    Open tool β†’     β—«

    Multiband Compressor

    Split audio into low, mid and high bands, compress each range independently and inspect real per-band gain reduction before export.

    Open tool β†’     βˆ†

    Dynamic EQ

    Build frequency-selective bands that react only when their detector crosses a threshold, with editable timing, range and A/B monitoring.

    Open tool β†’     ≋

    Dynamic Resonance Suppressor

    Detect moving tonal peaks with adaptive neighbouring-band analysis, monitor the removed Delta live and export an exact-frame local WAV.

    Open tool β†’     ≋

    Audio Match EQ

    Analyze a target and reference recording, derive a smoothed bounded correction curve and render the target toward the reference spectrum locally.

    Open tool β†’     πŸŽ›οΈ

    Audio EQ

    Graphical 10-band equalizer with a live spectrum analyzer. Shape any track and export the result.

    Open tool β†’     ✦

    Audio Exciter & Harmonic Enhancer

    Generate controlled upper-band harmonics with selectable character, focus frequency, drive, tone and mix while preserving the low band.

    Open tool β†’     🌊

    Slowed + Reverb

    Slow any song down and wrap it in atmosphere. TikTok Slowed, Nightcore Reverse, Vaporwave or fully custom.

    Open tool β†’     πŸ”Š

    Bass Boost

    Punchier low end for car audio, gym playlists and bass-heavy edits. Adjustable from subtle to seismic.

    Open tool β†’     🎧

    8D Audio

    Spatial sound that orbits your head. Put on headphones, set the rotation speed, download the result.

    Open tool β†’     πŸ”οΈ

    Add Reverb

    Room, hall, plate, cathedral or spring reverb on any file. Dial in mix, decay and tone.

    Open tool β†’     βˆ—

    Custom Impulse Response Convolver

    Load a source and your own room, cabinet or creative impulse response, shape the IR and render a local convolution with its real tail.

    Open tool β†’     🎢

    Audio Chorus

    Add animated stereo depth to vocals, guitars and pads with controllable rate, delay, modulation depth, voice spread and wet mix.

    Open tool β†’     πŸ”

    Audio Delay & Echo

    Create slapback, tempo-synced vocal echoes and ping-pong delay with feedback, damping and a bounded downloadable tail.

    Open tool β†’     ↔️

    Stereo Widener

    Adjust mid/side width, keep low frequencies centered and compare the result in stereo or mono before export.

    Open tool β†’     πŸŒ€

    Online Audio Flanger

    Sweep a short fractional comb delay with controllable rate, depth, feedback, stereo phase and wet mix for jet-like motion.

    Open tool β†’     πŸŒ—

    Online Audio Phaser

    Move a stable all-pass cascade through the spectrum with adjustable stages, sweep range, feedback, stereo phase and mix.

    Open tool β†’     ↕️

    Tremolo & Auto Pan

    Pulse level, move sound across the stereo field or combine both with free-rate or tempo-synced LFO shapes and presets.

    Open tool β†’     βŠ—

    Ring Modulator

    Multiply audio by a free-rate or tempo-synced carrier with selectable waves, stereo phase and sideband-focused A/B monitoring.

    Open tool β†’     β—‰

    Vinyl Effect

    Add seeded crackle, dust, hiss, wow, flutter, band limiting and gentle wear with record-style presets and exact-duration export.

    Open tool β†’     ❄

    Spectral Freeze

    Capture one spectral moment and synthesize a sustained frozen texture with blur, phase motion, tone, stereo spread and export.

    Open tool β†’     β—’

    Spectral Morph

    Blend or cross-synthesize two recordings frame by frame in the frequency domain, shape phase and transients, then export the hybrid locally.

    Open tool β†’     πŸ”₯

    Audio Distortion & Saturation

    Shape harmonics with multiple distortion curves, drive, bias, tone, gain compensation and matched A/B or Difference monitoring.

    Open tool β†’     🎸

    Guitar Amp Simulator

    Run guitar or bass through a preamp, three-band tone stack, presence control and selectable cabinet response before export.

    Open tool β†’     πŸŽ›οΈ

    Bitcrusher & Lo-Fi Effect

    Reduce bit depth and effective sample rate with deterministic dither, filtering, drive and wet/dry comparison for digital grit.

    Open tool β†’     πŸ₯

    Transient Shaper

    Add punch, soften sharp attacks or bring out room sustain with fast and slow envelope controls, A/B and difference monitoring.

    Open tool β†’     β—Ž

    Drum Replacer & Trigger

    Detect drum hits, edit trigger markers and layer synthetic or custom one-shots with timing, tuning, decay and blend controls.

    Open tool β†’     ⚑

    Nightcore

    The classic 125% speed-and-pitch lift. High-energy sound for AMVs, gaming clips and edits.

    Open tool β†’     πŸ“’

    Volume Booster

    Raise quiet files with adjustable gain, soft saturation and optional dynamics control for dense peaks.

    Open tool β†’     🎡

    TikTok Slowed

    Apply an 80% speed preset with medium reverb, then fine-tune and preview the result before export.

    Open tool β†’     πŸŒ™

    Nightcore Reverse

    75% speed with a light reverb wash β€” the dramatic, emotional flip side of nightcore.

    Open tool β†’     🌴

    Vaporwave

    65% speed drowned in heavy reverb. Deep, dreamy, nostalgic aesthetic audio.

    Open tool β†’     πŸš€

    Sped Up Audio

    Speed tracks up to 120–150% while keeping pitch closer to the original than ordinary playback-rate changes.

    Open tool β†’

    πŸ€– Voice & AI.

    Browse the Voice & AI hub β†’

    Remove clicks and pitch drift, rebuild room tone, reduce reverb, repair dialogue, transcribe, separate and transform recordings

    πŸ—£οΈπŸŽ΅

    Speech to Song

    Say anything and hear it back as music β€” pitch correction plus generated drums, bass and chords in multiple styles.

    Open tool β†’     🎹

    Audio to MIDI & Voice to Instrument

    Turn a clear monophonic hum, voice or melody into editable notes, synthesized instruments, a parsed MIDI file and a JSON note list.

    Open tool β†’     🎧

    Speech to Text

    Live mic transcription or on-device Whisper AI for audio files β€” timestamps included, export as TXT or SRT subtitles.

    Open tool β†’     🧬

    Voice Cloning

    Record a short voice sample, type some text, and hear it spoken back matched to that voice profile.

    Open tool β†’     🎀

    Vocal Remover

    Strip the vocals from any song to build instrumentals and karaoke tracks β€” or isolate the vocal instead.

    Open tool β†’     🎚️

    Stem Splitter

    Split a song into vocals, drums, bass and instruments. Solo, mute and download each stem.

    Open tool β†’     πŸ—£οΈ

    Text to Speech

    Read any text aloud with system voices, or generate neural AI voices in your browser and download them as MP3 / WAV.

    Open tool β†’     πŸ”‡

    Noise Remover

    Clean hiss, hum, wind and room noise out of recordings with spectral noise reduction.

    Open tool β†’     ⌁

    De-Reverb

    Reduce late room reflections in speech and solo recordings with local spectral-decay suppression, transient protection and exact-duration export.

    Open tool β†’     β‰ˆ

    Room Tone Maker

    Find stable ambience between dialogue, choose a clean region and generate a natural exact-duration stereo room-tone fill locally.

    Open tool β†’     ⌁

    Click & Crackle Remover

    Find narrow impulsive clicks and crackle, review every marker and repair enabled events with bounded local interpolation before exact WAV export.

    Open tool β†’     RESTORE

    Old Audio Restoration Studio

    Map clicks, clipping, dropouts, DC offset, hum and high-frequency noise in a vinyl or tape transfer, review every repair and export an aligned restoration with open evidence.

    Open tool β†’     ∿

    Wow & Flutter Corrector

    Track pitch drift from a stable tonal reference, separate slow wow from faster flutter and render a bounded time-varying correction locally.

    Open tool β†’     πŸ”Œ

    Online Hum Remover (50/60 Hz)

    Detect or select mains hum, notch its harmonics locally and compare measured before/after energy plus the removed signal.

    Open tool β†’     πŸ”‰

    Online De-Esser

    Reduce harsh S sounds with a local high-band detector, dynamic reduction controls, previews and a measured sibilance receipt.

    Open tool β†’     πŸšͺ

    Online Noise Gate

    Lower quiet background sound with a local RMS gate, hysteresis, attack, hold, release, stereo link and a measured attenuation receipt.

    Open tool β†’     πŸ’¨

    Online Plosive Remover

    Detect short low-frequency microphone bursts and reduce only those events with adjustable strength, cutoff and edge smoothing.

    Open tool β†’     πŸ‘„

    Mouth Click Remover

    Find isolated short mouth clicks, review their markers and repair selected spans with bounded interpolation and crossfades.

    Open tool β†’     🌬️

    Vocal Breath Remover

    Detect noise-like breaths between voiced phrases and reduce them without shortening the recording or gating every quiet region.

    Open tool β†’     🎀✨

    Auto-Tune

    Local Auto, Graph, Live and 4-voice Harmony workspaces with key suggestions, note editing, formant-aware HQ renders and WAV/MP3 export.

    Open tool β†’     🎭

    Voice Changer

    Chipmunk, demon, robot, anime, deep voice and a dozen more effects β€” record or upload, preview live.

    Open tool β†’     V

    Online Vocoder

    Transfer a voice or modulator envelope onto a harmonic carrier with a real filter bank, synth controls and exact local export.

    Open tool β†’     ♬

    Vocal Harmonizer

    Build three independent pitch-shifted harmony voices with interval, gain and pan controls while preserving the source timeline.

    Open tool β†’     ↕

    Vocal Range Finder

    Map reliable monophonic vocal notes over time, find the lowest, highest and median pitch, and export a note-range report.

    Open tool β†’     β—Œ

    Vocal Formant Shifter

    Move a monophonic vocal spectral envelope up or down for timbre changes while keeping the detected fundamental and timeline stable.

    Open tool β†’

    βœ‚οΈ Edit & Convert.

    Browse the Edit & Convert hub β†’

    Finalize WAV bit depth, edit BWF metadata, synchronize recorders, repair, split, mix, slice and deliver audio

    πŸ”„

    Audio Converter

    Decode browser-supported audio and export MP3 or WAV locally, with bitrate, sample-rate and channel controls.

    Open tool β†’     BITS

    Bit Depth Converter & Dither

    Finalize WAV audio as PCM 8, 16 or 24-bit or float32 with selectable deterministic dither, noise shaping and measured quantization error.

    Open tool β†’     ↔️

    Stereo to Mono Converter

    Downmix stereo, extract or swap channels, or duplicate mono to dual mono with explicit channel math and an exact local render receipt.

    Open tool β†’     ⇆

    Stereo Phase Aligner

    Estimate and repair bounded left/right sample delay and polarity problems, then compare correlation and mono compatibility before export.

    Open tool β†’     SYNC

    Audio Sync Drift Corrector

    Align two recordings of the same event, estimate start offset and linear recorder clock drift, edit anchors and render a corrected secondary track locally.

    Open tool β†’     DC

    DC Offset Remover

    Measure channel bias, subtract the mean or apply a gentle DC blocker, then compare the repaired waveform and export an exact-length WAV.

    Open tool β†’     βœ‚οΈ

    Audio Trimmer

    Cut audio on a visual waveform. Drag the handles, add fades, export the perfect clip or ringtone.

    Open tool β†’     🧩

    Audio Splitter & MP3 Chunker Online

    Split one file into named parts by markers, equal count, duration or silence, then export individual audio, a local ZIP and exact manifests.

    Open tool β†’     CUE

    CUE Sheet Splitter

    Open one continuous album recording with its CUE sheet, review frame-accurate track and pregap boundaries, then export named WAV tracks locally.

    Open tool β†’     ↻

    Automatic Loop Point Finder

    Search and rank low-click loop seams around a target region, compare candidates, fine-tune the boundaries and export a crossfaded WAV loop.

    Open tool β†’     β–±

    Audio Dropout Repair

    Detect short channel or full-signal dropouts, review the damaged spans and rebuild enabled events from stereo or nearby context.

    Open tool β†’     β–₯

    Multiband Stem Splitter

    Split audio into complementary low, mid and high frequency stems, audition each band and export exact WAV layers locally.

    Open tool β†’     β•±

    Transient Slicer

    Detect percussive onsets, edit and name slice boundaries, audition each sample and export ordered WAV slices in a local ZIP.

    Open tool β†’     β–¦

    Sample Pack Builder

    Batch-trim, normalize, fade and rename separate samples, then deliver collision-safe WAV files in one local ZIP with a manifest.

    Open tool β†’     β–°

    Audio Sprite Builder

    Pack several short clips into one audio sprite with exact non-overlapping cue boundaries, preview each slice and export WAV, MP3 and lookup maps.

    Open tool β†’     β–€

    Cue Sheet Maker

    Arrange album tracks, metadata and pregaps, then render one continuous WAV with frame-accurate CUE, M3U8 and JSON delivery files.

    Open tool β†’     ⇄

    DJ Transition Maker

    Build a bar-aligned two-deck transition with BPM sync, beat offset, selectable crossfade curve and a controlled bass handoff.

    Open tool β†’     🩹

    Fix Clipped Audio & Audio Declipper

    Detect flat-topped clipping, reconstruct bounded short runs and flag damage that cannot be inferred, with local evidence and reports.

    Open tool β†’     〰️

    Audio Fade In & Fade Out

    Draw a full-file volume envelope with editable points, three curve shapes, fade presets and an exact local automation receipt.

    Open tool β†’     πŸ”‡

    Audio Censor & Bleep Tool

    Mark one or more regions, then bleep, mute or reverse them with short edge fades and an exact local render receipt.

    Open tool β†’     πŸ”—

    Audio Joiner

    Merge multiple files into one track with drag-to-reorder and optional crossfades.

    Open tool β†’     πŸ”

    Audio Loop Maker

    Choose a region, snap its edges toward zero crossings, crossfade the seam and render exact repeats or a target-duration loop with a measured receipt.

    Open tool β†’     πŸ”–

    Podcast Chapter Maker

    Place, name and reorder chapter markers on one episode, then copy YouTube timestamps or export FFmetadata and CUE chapter files.

    Open tool β†’     CLIPS

    Podcast Clip Maker

    Scan one long episode for transparent signal-based clip candidates, review and refine exact boundaries, then export local WAV, MP3 or a reviewed batch.

    Open tool β†’     πŸŽ™οΈ

    Podcast Audio Enhancer

    Finish a spoken-word recording in one local workflow: tighten long pauses, control voice dynamics, match podcast loudness, compare the change and export WAV, MP3 or a receipt.

    Open tool β†’     BOOK

    Audiobook Production & ACX QC Studio

    Analyze a complete audiobook locally, organize chapters, inspect RMS, peaks, estimated noise floor and room tone, compare prepared audio and export an MP3 delivery package with QC reports.

    Open tool β†’     🏷️

    Audio Watermark & Voice Tag

    Overlay a branded voice tag or audio watermark at the start, end, intervals or custom times with gain, fades and local ducking.

    Open tool β†’     πŸŽ™οΈ

    Auto Audio Ducker

    Mix voiceover over background music with local envelope-based ducking, attack and release controls, previews and a measured gain-reduction receipt.

    Open tool β†’     🎹

    Audio Key Changer & Pitch Shifter

    Choose a source and target musical key or shift by semitones while preserving the decoded duration, with exact local render evidence.

    Open tool β†’     ⏱️

    Tempo Changer

    Change speed from 50% to 200% without touching the pitch β€” slow down to practice, speed up to mix.

    Open tool β†’     βͺ

    Reverse Audio

    Play anything backwards. Take the reversed-name challenge: record, flip, try to say it back.

    Open tool β†’     🎬

    Video to Audio

    Decode the soundtrack from supported MP4, WebM and MOV files, then save a newly encoded audio copy.

    Open tool β†’     🏷️

    Metadata Editor

    Edit MP3 tags β€” title, artist, album, year and cover art β€” and save a freshly tagged file.

    Open tool β†’     BWF

    BWF Metadata Editor

    Inspect RIFF/WAVE chunks, edit Broadcast Wave bext, iXML and LIST/INFO metadata, and preserve decoded audio bytes during local export.

    Open tool β†’     πŸ–ΌοΈ

    FLAC Cover Art

    Embed, replace or extract album artwork in FLAC files without rewriting the audio.

    Open tool β†’     πŸŽ™οΈ

    Voice Recorder

    Record one microphone take in the browser and download MP3 or WAV, subject to device and browser limits.

    Open tool β†’     πŸ””

    Ringtone Maker

    Cut any song into a ringtone with fades on a visual waveform, then download MP3 or WAV for your phone.

    Open tool β†’     πŸ—œοΈ

    Audio Compressor

    Shrink audio file size for email, Discord and WhatsApp β€” pick a target bitrate and sample rate, keep it clean.

    Open tool β†’     πŸ“ˆ

    Loudness Normalizer

    Normalize loudness to a LUFS target for podcasts, YouTube and Spotify. Measure and match -14, -16 or -23 LUFS.

    Open tool β†’     🀫

    Silence Remover

    Auto-cut dead air and long pauses from recordings and podcasts. Tighten timing in one click, free.

    Open tool β†’     🎡

    432Hz Converter

    Convert any song from 440 Hz to 432 Hz (or back) without changing tempo. Free, in-browser, instant.

    Open tool β†’

    πŸŽ›οΈ Create & Analyze.

    Browse the Create & Analyze hub β†’

    Find duplicate audio, match batch loudness, build instruments, map tempo, generate parts and inspect signals

    πŸ₯

    Beat Maker

    Classic drum-machine step sequencer with synthesized 808/909-style kits. Tap pads, build patterns, export.

    Open tool β†’     β—Œ

    Euclidean Rhythm Generator

    Distribute pulses evenly across rotating multi-track patterns, edit the steps and export deterministic rhythm as MIDI, WAV, MP3 or JSON.

    Open tool β†’     ≋

    MIDI Humanizer

    Import an existing MIDI performance, apply bounded seeded timing, velocity, gate, swing and quantize changes, audition it and export valid MIDI or JSON.

    Open tool β†’     ⌁

    Audio Envelope Extractor

    Turn audio amplitude into editable RMS, peak or absolute automation, inspect the curve and export CSV, JSON or valid MIDI CC data.

    Open tool β†’     ≋

    Groove Template Extractor

    Detect percussion onsets, measure their signed timing and velocity against a beat grid, then export a reusable MIDI groove template.

    Open tool β†’     ⌁

    Tempo Map Generator

    Track changing BPM across a live performance, edit tempo markers and export an ordered MIDI tempo map, CSV or JSON locally.

    Open tool β†’     ROUTE

    DJ Set Planner

    Analyze a local crate, correct BPM, Camelot key and relative intensity, then build, audition and export an explainable DJ set route.

    Open tool β†’     β—«

    Drum Loop to MIDI

    Detect and classify kick, snare and hi-hat hits in a drum loop, edit the event grid and export GM drum MIDI, CSV or JSON.

    Open tool β†’     SFZ

    SFZ Sampler Builder

    Map local samples across keys and velocity ranges, audition the playable instrument, resolve overlaps and export a portable SFZ package.

    Open tool β†’     ✹

    Procedural SFX Generator

    Synthesize impacts, lasers, risers, whooshes, interface clicks and explosions from editable envelopes, sweeps, noise, distortion and a repeatable seed.

    Open tool β†’     ✨

    Granular Synthesizer

    Chop any sound into microscopic grains and reshape it into drones, pads and glitch textures on an XY pad.

    Open tool β†’     πŸŽ†

    Music Visualizer

    Audio-reactive visuals from any song or your mic β€” multiple styles and themes, export as video.

    Open tool β†’     πŸ”

    BPM Detector

    Detect the tempo, musical key and Camelot code of any track. Built for DJs and producers.

    Open tool β†’     πŸŽ›οΈ

    Soundboard

    Build a custom soundboard β€” record or upload clips, trim them on a waveform, trigger from keys or taps.

    Open tool β†’     🎧

    Hearing Test & Tone Generator

    Explore a 20 Hz–20 kHz tone sweep and check speakers or headphones with uncalibrated generated tones.

    Open tool β†’     🎼

    Metronome

    A precise online metronome with tap tempo, time signatures, accents and subdivisions. Practice in time, free.

    Open tool β†’     🌫️

    Noise Generator

    Generate and mix white, pink, brown and green noise for audio experiments, speaker checks and downloadable loops.

    Open tool β†’     🧠

    Binaural Beats

    Generate stereo binaural-beat experiments with selectable carrier and difference frequencies, plus optional pink noise.

    Open tool β†’     🎸

    Instrument Tuner

    Chromatic mic tuner for guitar, bass, ukulele, violin and more. Real-time pitch and cents, no app needed.

    Open tool β†’     πŸ”‘

    Song Key Finder

    Detect the musical key, scale and Camelot code of any song. Built for DJs, producers and karaoke.

    Open tool β†’     🎹

    Online Chord Progression Detector

    Estimate a changing major/minor chord timeline locally, review confidence, correct segments and export TXT, CSV or JSON evidence.

    Open tool β†’     🎼

    Chord Progression Generator & MIDI Maker

    Build diatonic Roman-numeral progressions, choose voicings and inversions, then preview and export real MIDI, WAV, MP3 or JSON.

    Open tool β†’     🎡

    Melody Generator & MIDI Maker

    Generate a deterministic scale-aware melody from contour, range, density, repetition, rest and seed controls, then edit notes and export MIDI or audio.

    Open tool β†’     🎸

    Bassline Generator & MIDI Maker

    Build a low-register groove around editable chord roots with style, swing, gate, octave, velocity, ghost-note and rest controls, then export MIDI or audio.

    Open tool β†’     πŸ”

    Online Arpeggiator & MIDI Export

    Turn editable chord tones into up, down, up-down, played or seeded-random patterns across rates and octaves, then export real MIDI or audio.

    Open tool β†’     πŸ‘‚

    Tinnitus Masker

    Select an approximate reference pitch, then experiment at low volume with notched noise, pink noise or layered tones.

    Open tool β†’     πŸ“Š

    Spectrogram Analyzer

    Inspect live peak Hz and relative dBFS, then export a complete-file spectrogram PNG plus a bounded peak-frequency timeline as CSV or JSON.

    Open tool β†’     πŸ§ͺ

    Audio File Analyzer

    Measure file facts, peak and RMS level, crest factor, clipping, silence, DC offset and dominant frequency, then export a local JSON or CSV report.

    Open tool β†’     β–₯

    Album Loudness Analyzer

    Batch-check track duration, peak, RMS, loudness estimate, crest and stereo correlation, flag release inconsistencies and export an album QC report.

    Open tool β†’     LU

    Batch Loudness Matcher

    Measure and render several tracks toward one target or reference loudness with per-track trims, peak protection and local batch delivery.

    Open tool β†’     MATCH

    Audio Duplicate Finder

    Scan a local audio batch for exact decoded copies and gain- or offset-tolerant near-duplicates, review clusters and export a cleanup plan.

    Open tool β†’     ↔️

    Stereo Phase & Mono Compatibility Checker

    Scan stereo correlation, negative-correlation windows, mid/side balance and mono fold-down changes, then export a local JSON or CSV report.

    Open tool β†’     〰️

    Audio Waveform Generator

    Turn a complete track into a configurable peak-waveform image and export it as PNG or scalable SVG, with mono or split-channel views.

    Open tool β†’     πŸ…°οΈ

    ABX Audio Test & Comparator

    Run a blind, synchronized A/B/X listening test with optional level matching, repeatable trials and an honest chance-result calculation.

    Open tool β†’     Ξ”

    Audio Difference Checker

    Align two mix revisions, correct bounded offset, polarity and gain differences, then audition and export the residual null signal.

    Open tool β†’     πŸ“Ÿ

    Online Audio Oscilloscope

    Inspect a live microphone, uploaded file or generated tone with trigger, timebase, channel, cursor and PNG snapshot controls.

    Open tool β†’     🎚️

    Microphone Level Meter

    Monitor live RMS, peak, headroom, peak hold and clipping in relative dBFS with a rolling local timeline.

    Open tool β†’

    Why AudioWrench

    Less friction.
    More finished audio.

    The speed of a browser utility with the controls, previews and evidence expected from serious production software.

    Private by design

    Core file processing runs on your device, and selected files are not uploaded to AudioWrench. Normal page assets, optional model downloads and system-speech providers are disclosed in the privacy notice.

    No installs, no setup

    Open a tool, drop a file, tweak, download. Works on Windows, macOS, Linux, Android, iOS and Chromebooks.

    Free to use

    No subscriptions, watermarks or sign-ups. All 139 tools are free; each file workflow estimates memory from its algorithm, source and available device capacity instead of applying one arbitrary global cap.

    Real DSP under the hood

    Pitch-preserving time stretch, convolution reverb, spectral noise reduction, parametric EQ β€” the real thing, in JavaScript.

    Built for creators

    Viral speed effects, 8D spatial audio and bass boost tuned for TikTok, Reels and Shorts workflows.

    Preview before download

    Hear your changes in real time, fine-tune the settings, then export to MP3 (320 kbps) or WAV.

    FAQ

    Frequently asked questions.

    Is AudioWrench really free?
    Yes β€” every tool is free with no subscriptions, hidden fees, usage quotas or watermarks. Individual tools still have disclosed input, codec and device-memory limits.
    Are my files uploaded anywhere?
    Selected files are decoded and processed on your device and are not uploaded to AudioWrench. Normal page assets and optional AI code or model files can still be requested. Live system-speech mode may use a recognition service provided by your browser or operating-system vendor. See the exact data flow.
    Which formats can I load?
    Input support depends on browser codecs and commonly includes MP3, WAV, FLAC, OGG, M4A/AAC and some MP4, WebM or MOV files. Video audio is decoded and re-encoded, not losslessly extracted. Most tools export MP3 or WAV. File capacity depends on the tool’s algorithm, source duration and the memory available on the current device; each workflow reports its own preflight before processing.
    How do I make the viral slowed + reverb sound?
    Open the Slowed + Reverb tool, drop a song, pick the TikTok Slowed preset (80% speed, medium reverb), preview, then download. The Vaporwave and Nightcore Reverse presets are one click away too.
    What's the difference between Sped Up and Nightcore?
    Sped Up raises the tempo while keeping the original pitch, so vocals still sound natural. Nightcore raises speed and pitch together for the classic high-energy, high-pitched sound.
    Why do I need headphones for 8D audio?
    The 8D effect works by panning sound around your head in a circle. Speakers blend the channels in the room, so the orbiting effect only comes through on headphones.
    Does it work on phones?
    The layouts are responsive and many workflows run in modern mobile browsers on iPhone, iPad and Android. Actual support depends on browser codecs and APIs, permissions, available memory and device performance.
    Can I use the results on TikTok or YouTube?
    AudioWrench does not grant rights to source material. Publish a result only when you have the necessary rights or license; modifying a copyrighted song does not remove its copyright, and platform detection or claims may still apply.