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Increase or decrease audio volume

Cut audio fragments

iPhone/Android ringtone maker

Enhance audio quality with AI processing

For songs from Suno, Udio and other AI generators: Brightness and Reduce harshness sliders to tune the sound by ear, and the high frequencies that heavy compression cut off brought back — with a quick method or the Apollo neural model. In your browser.

AI voice and vocal enhancement: noise reduction, de-reverb, a gentle vocal mode, an enhancement strength slider, and LUFS normalization.

For recordings made in a tight booth, a closet or a small room

AI speech restoration that makes an unclear recording intelligible — removes noise, room echo and clipped peaks.

Bring old recordings back to life. Diagnose noise and clicks, apply per-source presets, repair the spectrogram, target broadcast loudness.

Transform audio into retro 8-bit chiptune sound

Split audio by chapters or timestamps

Change playback speed

Change audio duration without affecting pitch

Shift pitch up or down

Apply EQ presets

Play audio backwards

Detect and remove silent segments from audio

Add silence padding to beginning or end of audio

Merge multiple files

Add reverb and echo effects to audio

Remove background noise from audio

A studio-grade dynamics compressor that levels uneven loudness, with a gain-reduction meter, level-matched A/B and LUFS targets — all in your browser.

Put a second sound over your recording or splice it inside, down to a fraction of a second.

The most powerful audio looper online — repeat songs with crossfade, gap control, A/B section loop, fade effects, and target duration mode. Browser-based.

Mix multiple audio tracks with per-track volume, pan, EQ, reverb, and compressor. Export your mix in any format.

Type a line — the studio builds the whole thing: announcer voice, music bed, effects, mixing and broadcast loudness.

Lay background music under a voice-over or narration online. Auto-ducking keeps speech clear, with looping and fades. Export MP3 or WAV.

Assemble an episode from your speakers' recordings: cuts across every track at once, even loudness, music under the voice and chapters in the file.

Load a song and hear it circle your head.

ACX audiobook mastering tool — auto-normalize RMS, limit peaks, reduce noise, check compliance for Audible.

Online music mastering — streaming loudness, true-peak limiting, reference matching, WAV/MP3 download.

Upload all audiobook chapters to check ACX compliance and consistency

Audio censor tool with 8 replacement types — beep, silence, reverse, pitch shift, noise and your own sound. Waveform editor with real-time preview.

AI speech recognition finds swear words and mutes exactly those words by timecode

Click a syllable on the vocal lane to select it.

Audio degrader with 12 degradation presets and 7 manual controls. Bitcrusher, noise, distortion, wow & flutter, filters — real-time preview with A/B comparison.

Fix corrupted or damaged audio files

Put the singer of one song on the beat of another: the tool separates both songs, matches tempo and key, lines the vocals up with the bars and mixes the result.

Convert between formats

Compress any audio file to reduce size

Extract audio track from video files

Convert between mono and stereo

Build surround audio into a DVD-Video disc with chapters, AC-3, multichannel FLAC, a DTS track or an ISO image. Online, in your browser.

Convert mono audio to stereo

Convert stereo audio to mono

Song generator from your lyrics: pick a style and the AI composes music and sings your words — two variants per run. Online, in your browser.

Generate instrumental music with a neural network: backgrounds for videos, streams, podcasts and games. Task-based styles, 2 takes per run, MP3.

Describe a sound in words and the AI creates the SFX, ambience or UI sound. Two engines, seamless looping, adjustable duration and accuracy.

Record your voice and sing any song with it. The voice is kept in your account; the AI service holds it for a limited time.

Record vocals over a backing track

Records several microphones at once — each one into its own track.

Convert MIDI to MP3/WAV

Adds ensemble timing, phrasing and CC1/CC11 inside held notes to a MIDI score. Export MIDI and WAV, right in the browser.

Audio player for MP3, FLAC, APE and CUE albums: a 31-band equaliser that cannot clip, loudness matching, crossfeed

Find your vocal range and voice type

Transform your voice with real-time effects

Replace the voice in a recording: make it female or male, take a voice from the catalog — or sing someone else’s song in your own timbre.

Remove vocals from music tracks

Split a song into vocals, drums, bass and instruments with the Demucs neural network. Every track as a separate file — or straight into the mixer.

Break a drum track into kick, snare, toms and cymbals with hi-hat using a neural network right in your browser. Each part as a file — or into the mixer. A whole song works too: the drums are lifted out of it first, and you also get the song without drums.

A neural network takes the drums out of a finished track right in your browser: you get the song without drums — a drumless backing track — and the drum part on its own.

Create karaoke versions of songs

A tool that recognizes the lyrics of a song from a recording: it separates the vocals from the music, picks a model for the language and returns the words line by line with timestamps.

Convert speech to text with AI

Transcribe audio files to text

Paste a conversation transcript — AI builds the protocol: participants, decisions, tasks, agreements. Every item carries a verbatim quote.

Convert text to natural speech audio

Use your device as a megaphone or PA system

Translate speech in real time between 50+ languages.

Translate an audio recording into another language and hear it: podcasts, interviews, lectures, voice notes. Audio, transcript and subtitles out.

Upload audio or video, get an editable transcript, and re-voice it — change the speaker, switch voices line by line, or re-dub just one character.

Add natural harmony voices to any vocal in your browser — diatonic thirds, fifths, octaves and choir that keep your own voice.

Record vocal takes with reverb, EQ and a compressor

Record voice or system audio in browser

Tuners, playable instruments, ear training, chords and sheet music, vocal recording, stems for pract...

Podcast editing toolkit: trim episodes, remove silence, denoise, enhance audio, compress files, conv...

Professional audio tools: spectrum analysis, forensics, watermarking, mixing, mastering, noise reduc...

Video editing tools: trim, crop, compress, add music, create GIFs, manage subtitles. Browser-based e...

Streaming tools: mic test, noise reduction, voice effects, screen recording, live captions. For stre...

Vertical videos with captions, thumbnails, photos sized for each network, AI images and avatars, GIF...

Browser games and tabletop helpers, mouse, keyboard, gamepad and monitor tests, benchmarks, ping, re...

Equations and graphs, English and other languages, exam prep, lecture transcripts, textbooks to PDF,...

Teaching tools: PDF handouts, English and language teaching, marking written work, text-to-speech, c...

Check DNS, IPs and redirects, inspect SSL certificates, generate test files, passwords and 2FA codes...

Ohm's law, resistors, LEDs and the 555 timer, circuit and breadboard simulators, current and RPM met...

Speaker, headphone, subwoofer and Bluetooth tests, file spectrum and bitrate, blind ABX comparison,...

Magnifier, read-aloud, live captions, sign language, a communication board, dyslexia and ADHD aids,...

Stroke, dementia, depression and ADHD screening, hearing and vision checks, tooth charting, vaccinat...

Pregnancy and the first year, baby monitor, where your child is, vaccines and teeth, family games, d...

A dog whistle, on-screen games for cats, pet name ideas, how dogs and cats see, and a camera to watc...

Passwords and 2FA, breach checks, VPN and browser fingerprint tests, photo metadata, scam call and s...

Breathing for anxiety, white noise and nature sounds, binaural beats, a sleep calculator, overnight...

Audiobook tools: ACX mastering, compliance check, noise reduction, voice enhancement, chapter splitt...

Online Islamic tools: prayer times, qibla compass, Hijri calendar, zakat calculator, digital tasbih....

Whistle, scoreboard and tournament bracket, beep test, lap stopwatch, running pace, calories and bod...

Merge, compress and sign PDFs, Word to PDF, stamps and signatures, OCR, a focus timer, work hours an...

Retouching and backgrounds, watermarks, EXIF and GPS, HEIC and compression, depth of field and ND, g...

English with IPA and Anki, Russian stress and cases, cursive practice, voice and photo translators,...

Orthodox Christian tools in your browser: a prayer-rope counter for the Jesus Prayer and a memorial-...

Tools for damaged files: Access databases, archives, photos, video, audio, USB drives. A diagnosis,...

COLREG lights, tides, compass error, radar plotting, rest hours, anchor watch, compass and sunrise —...

USB music and video for a car head unit, OBD-II fault codes, VIN check, dash wallpaper, speaker setu...

Online tools for DJs: mashups, BPM, key and Camelot, acapellas and stems, tempo change without pitch...

Guides and tips on audio editing

Learn how to increase the volume of MP3 and other audio files online without dis...

MP3, WAV and FLAC compared: quality, file size and compatibility, and which form...

Five online tests for speakers and headphones: stereo balance, bass response, fr...

The difference between LUFS, dBFS, RMS and peak loudness, plus the loudness stan...

Proven ways to remove background noise from podcasts, voiceovers and calls: nois...

Essential recording tips for beginners: choosing a microphone, gain staging, roo...

Create custom ringtones for iPhone and Android from any song: trim the best part...

AAC, Opus, Vorbis, FLAC and MP3 compared: lossy vs lossless compression, sensibl...

How online hearing tests work, what they measure, how to prepare for accurate re...

Loops, samples, one-shots, presets, DAWs, VST, MIDI and 808s explained in plain...

Starting a podcast step by step: equipment by budget, recording technique, editi...

Where to mount a projector, how many lumens you really need and what screen size...

Read resistor color bands without guesswork: band order, multipliers, tolerance,...

Bitrate, codec, resolution and frame rate decide file size. Target bitrates, CRF...

What sample rate and bit depth actually change, why 96 kHz rarely helps, how man...

How the four types of color vision deficiency differ, what online tests can and...

A checklist for testing a new or used display: stuck and dead pixels, backlight...

What separates SRT, WebVTT, ASS and SUB files, when to burn subtitles into the v...

Compare PLA, PETG, ABS, ASA, TPU and nylon by temperature, strength and difficul...

Count tempo by hand, learn what automatic detection gets wrong, use the Camelot...

How the common image formats differ in compression, transparency and support — a...

What tinnitus is, why it is a symptom rather than a disease, how pitch and loudn...

How words per minute is calculated, what counts as fast, why accuracy beats raw...

The four ikigai circles were drawn by a Spanish author and the word was swapped...

{brand} is {tool_count} working tools in the browser: audio and video, documents...

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