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Audio KitNouvo

Clean up, cut and convert any audio, right in your browser

Open any sound or the sound in a video, remove background noise, cut it by the waveform or by its words, level it for podcasts, and save it as MP3, WAV, M4A, FLAC, OGG or AIFF. Nothing to install, and your file never leaves your computer to be edited.

Eseye Audio Kit gratisGade tout fonksyon yoGade plan yo

Kont gratis, pa gen kat. Ou deja ap itilize aiKit? Konekte pou louvri Audio Kit

aiKit · Audio KitEgzanp
Audio Kit editing a sample song on its waveform: the intro is selected and deleted (3:30 becomes 3:08), the ending is selected and faded out, then the Save window offers MP3, M4A, AAC, WAV, FLAC, OGG and AIFF

Sa w jwenn

Open any sound or a video's sound, cut it on a waveform or by its words, remove background noise, level it, and save it as MP3, WAV, M4A, FLAC, OGG or AIFF, all in your browser.

Cut and trim by hand, exactly

A big waveform with a time ruler: click to jump, drag to select, drag the handles to adjust, type a start and end to the thousandth of a second. Trim, Delete, Cut, Copy, Paste, Fade and Make silent are one big button or one key each, and every cut is sample-exact with a tiny crossfade so it never clicks.

See it work before you upload anything

The first screen shows each job with a picture and a Try it on a sample button: pull audio from a video, remove noise, edit by the words, split the voice from a song, convert. Each runs on a real sample in one click.

Background noise, gone

Pick Light, Medium or Strong. Audio Kit learns the hiss, hum or fan noise from the quiet moments and lowers it everywhere, and Hear it before the change lets you compare from the same spot.

Edit audio like a document

Make a transcript and every word sits under the sound. Delete words and the audio is cut with them; ums, uhs and long pauses go in one click. Download SRT or VTT captions too.

Every format, in plain words

Open and save MP3, M4A, AAC, WAV, FLAC, OGG and AIFF. Choose Best quality, Podcast, Small file for email or Ringtone instead of bitrates and sample rates, and see the file size before you save.

Podcast-ready loudness

One click levels to -16 LUFS for podcasts, -14 for YouTube and Spotify, or -23 for broadcast, measured the standard way, with peaks kept safe.

Ask for anything

Type or say "cut the first five seconds, remove the noise and make it louder". The steps run, anything that could not be done is listed first, and Undo puts it back in one step.

See it work

What Audio Kit does, shown with real results

Every picture is the tool's own output, made for an example business.

A dental office's phone greeting before and after Remove the noise, on Audio Kit's spectrogram
Brightside Dental Studio · phone greeting

Remove background noise

Hum and hiss come out in one press. Play the before and after.

An accounting firm's voicemail greeting before (-36 LUFS) and after leveling to -16 LUFS
Ledger & Lane CPAs · voicemail greeting

Podcast-ready loudness

A quiet recording is leveled to -16 LUFS for podcasts, or -14 for YouTube and Spotify, with peaks kept safe.

A podcast's transcript under the waveform before and after Remove 3 ums and uhs
Shop Talk · business podcast

Edite daprè mo yo

Make a transcript and remove ums, long pauses or any word. The sound is cut to match.

An event venue's track after Quick voice remover: Removed the voice, a karaoke version
Harbor Hall · event venue

Take the voice out of a song

The quick voice remover makes a karaoke-style version of a stereo song, in the browser.

Tout fonksyon yo

Tout sa ki nan Audio Kit

Lis konplè a, jan zouti a mache jodi a.

Audio Kit's first screen: open a sound or a video, or record, next to cards for each job (cut and trim, pull the sound from a video, remove noise, edit by the words) with Try it on a sample
Audio Kit's first screen: open a sound or a video, or record, next to cards for each job (cut and trim, pull the sound from a video, remove noise, edit by the words) with Try it on a sample
Selecting part of a song on Audio Kit's zoomed-in waveform (0:23 to 0:48, 25.5 seconds), ready for Trim to this, Delete, Cut or Copy
Selecting part of a song on Audio Kit's zoomed-in waveform (0:23 to 0:48, 25.5 seconds), ready for Trim to this, Delete, Cut or Copy
Editing by the words in Audio Kit: the transcript under the waveform, with Remove 3 ums and uhs, Shorten long pauses and Delete selected words
Editing by the words in Audio Kit: the transcript under the waveform, with Remove 3 ums and uhs, Shorten long pauses and Delete selected words
Audio Kit's Clean up tab: remove background noise (Light, Medium, Strong), make the voice clear, and split the voice from the music
Audio Kit's Clean up tab: remove background noise (Light, Medium, Strong), make the voice clear, and split the voice from the music
  • Open MP3, WAV, M4A, AAC, FLAC, OGG and AIFF, and pull the sound out of MP4, MOV and WebM video, up to 400 MB and 60 minutes; record from your microphone; pick several files to join them
  • A first screen that shows each job with a picture and Try it on a sample: pull audio from a video, remove noise, edit by the words, split the voice from the music, save as any format
  • Basic mode for editing by hand: a big waveform with a time ruler, drag handles, zoom and pinch, Go to time, typed start and end, play and loop the selection, markers, and big buttons for Trim, Delete, Cut, Copy, Paste, Make silent, Fade in, Fade out, Louder and Softer; every cut exact to the sample with a tiny crossfade, and keyboard shortcuts for all of it
  • Advanced mode: split marks, add a file, speed with the pitch kept, pitch, shorten long pauses, Undo and Redo for everything
  • Music under a voice: two tracks with their own volume, and the music dips by itself while someone talks
  • Record right in the tool, and re-record over just the selected part (punch-in)
  • A spectrogram view: draw a box around a click, cough or beep and remove only that sound
  • Named markers you jump between, exported as YouTube chapters or a podcast chapters file, and written into MP3 and FLAC files
  • Recipes: save your own steps plus how to save (for example: trim silence, level, MP3) and use them in one click; Batch runs a recipe or a conversion on up to 50 files and gives one ZIP
  • Title, artist, album, year, genre and cover art saved inside MP3, M4A and FLAC files
  • Share for comments: the sound becomes a comment page with a waveform player where people comment at any second
  • Leveling to the Podcast (-16 LUFS), YouTube and Spotify (-14) or Broadcast (-23) standard with peaks kept safe
  • Remove background noise (Light, Medium, Strong), Make the voice clear, Make it mono and a Quick voice remover for stereo songs, compared with Hear it before the change
  • Edit by the words: a transcript with every word timed; delete words and the sound is cut; remove ums and long pauses in one click; SRT, VTT and text downloads
  • Ask for any change in plain words, typed or spoken, with anything not done listed first and one-step Undo
  • Save as MP3, M4A, AAC, WAV, FLAC, OGG or AIFF with plain choices (Best quality, Podcast, Small file for email, Ringtone), all of it, the selection, or each part as a ZIP
  • Save MP3, M4A and WAV to your Graphics Library, then What's next? to put it under a Video Kit video or a Motion Maker animation
  • Your look: the editor in aiKit colors, your Brand Kit color, Studio or Soft, three waveform styles and a compact layout, saved to your account

Sa ki enkli

Sa w jwenn ak Audio Kit, ak kijan li mache ak rès aiKit la

Enkli nan yon kont aiKit gratis

  • Every edit, noise removal, voice clean-up, leveling, the Quick voice remover and saving in all seven formats, free in your browser
  • Opening MP3, WAV, M4A, AAC, FLAC, OGG, AIFF and the sound of MP4, MOV and WebM video, up to 400 MB and 60 minutes
  • Edit by the words with the transcript, SRT, VTT and text downloads
  • Ask for any change in plain words, with Undo
  • Your look: aiKit colors or your Brand Kit color, three waveform styles, a compact layout

Sa ki sèvi ak IA, ak sa ki gratis

Only two parts use tokens, shown before they run: the transcript (about 1 token for up to 10 minutes) and each plain-words request (about 2 tokens). Opening, editing, cleaning, leveling and saving use none.

Mache ak lòt zouti aiKit ou yo

  • Voice Kit: A Voice Kit voiceover's What's next? has Clean up the sound, which opens it in Audio Kit.
  • Music Maker: A Music Maker song's What's next? has Clean up the sound, to trim it, level it or make a ringtone.
  • Video Kit: What's next? in Audio Kit's Save tab puts the sound under a Video Kit video as its music.
  • Motion Maker: What's next? puts the sound on its own track under a Motion Maker animation.
  • Graphics Library: Save to Graphics Library keeps MP3, M4A and WAV files in an Audio Kit folder, and anything in the library opens in Audio Kit.
  • Brand Kit: Your look can use your Brand Kit color for the editor.

Keep Audio Kit in any of your kits, next to the tools you use with it. One monthly AI allowance covers every tool you add.

Kijan l mache

Depi premye klik jiska fini, nan 4 etap.

  1. Audio Kit's open box for a sound or video, with Choose a file and Record, next to the Try it on a sample cards

    Open a file

    Drop in a sound or a video (up to 400 MB), record from your microphone, or pick several files to join them. A video's sound is pulled out in seconds.

  2. Audio Kit's Clean up tab under the waveform: Remove the noise with Light, Medium or Strong, Make it clear, and the voice remover

    Netwaye l

    Remove background noise, make the voice clear, or level it to a podcast or YouTube standard. Every change can be undone.

  3. A part of a song selected on Audio Kit's waveform, with its start, end and length, and Trim to this, Delete, Cut and Copy below

    Cut it

    Drag across the waveform to keep, cut or silence a part, or make the transcript and delete words. Fades, volume, speed and pitch are one click each.

  4. Audio Kit's Save window: pick a format and what the file is for, then Download MP3

    Save it

    Pick what it's for and a format, see the file size, and download it, or save it to your Graphics Library and put it under a video or animation.

More it does

More of Audio Kit at work

The sound pulled from an online store's 8-second product video, open on Audio Kit's waveform
Juniper Goods · online store product video

Pull the sound out of a video

Open an MP4, MOV or WebM and the audio is ready to edit and save on its own.

A cycling studio's warm-up mix in Audio Kit after Delete: Deleted 2:30 to 3:29, the song now 2:30 long
Pulse Cycle Studio · class warm-up mix

Cut a song by dragging

Drag across the part you don't want and press Delete. Here the last minute comes out, 3:30 becomes 2:30.

Audio Kit's Save window with Ringtone picked: the first 30 seconds saved as .m4r for iPhone
Riverbend Coffee House · shop phone

A ringtone for the shop phone

Pick Ringtone and the first 30 seconds are saved loud with a soft ending, as an iPhone ringtone (.m4r).

Audio Kit's Batch window after converting three listing voice notes to MP3, with Download the ZIP again
Keystone Realty Group · listing voice notes

Batch many files at once

Pick files, pick what to do, and get one ZIP. Everything runs in your browser and nothing is uploaded.

Pou ki moun

Kijan diferan biznis sèvi ak Audio Kit

Kreyatè, koche & konsiltan

A podcast episode in ten minutes

A coach records an interview on a laptop, removes the fan noise, deletes the ums and a cough by the words, levels it to -16 LUFS and downloads a Podcast MP3.

Antrepriz & biznis sèvis

A phone greeting that sounds professional

A plumbing company records its greeting on a phone, cleans up the room echo, trims the start, and saves a small WAV for its phone system.

Maketing ak ajans

The sound from client videos

An agency pulls the audio out of a client's MOV interview, saves a clean MP3 for the transcript, and a FLAC for the editor.

Edikasyon ak fòmasyon

Lecture audio students can hear

A trainer opens a long lecture recording, removes the projector hum, shortens long pauses, and downloads SRT captions for the course video.

Deta, restoran ak e-commerce

A ringtone for the shop phone

A café owner opens the shop's jingle, selects the best 30 seconds, and saves a Ringtone M4A for the shop iPhone.

Evènman, limyè ak AV

Karaoke tracks for an event

A DJ runs a stereo song through the Quick voice remover for a sing-along version and saves it as a WAV.

Ideyal pou

  • Anyone who records talks, interviews or podcasts and wants them clean and even without learning studio software
  • Teams that need the sound from a video, or a file in a different format, in a minute
  • Agencies tidying up clients' recordings before they go into videos and ads

Bon pou konnen

  • Pa pou: Multi-track music production or mixing many instruments
  • Pa pou: Making music or voices from scratch (use Music Maker or Voice Kit)
  • Pa pou: Recordings of other people without their consent
  • Opening, editing, cleaning up and saving run in your browser and use no tokens. The transcript uses about 1 token for up to 10 minutes, and each plain-words request about 2 tokens, shown before they run.
  • M4A, AAC and OGG files need a current Chrome, Edge or Safari on a computer; MP3, WAV, FLAC and AIFF save in any current browser.
  • The Quick voice remover needs a stereo song and is rough on some songs. Studio split (voice, drums, bass, the rest) is not switched on yet.
  • The transcript can mishear names and unusual words; noise removal works best on steady background noise.

Kesyon

Audio Kit: kesyon moun poze

Is there a free online audio editor that doesn't upload my file?
Yes. aiKit's Audio Kit edits in your browser: opening, cutting, fades, volume, speed, pitch, noise removal, voice clean-up, leveling and saving all happen on your computer, so the file is not uploaded and no tokens are used. Only the transcript sends the sound, in short pieces that are not kept, and plain-words requests send a short description of the sound, never the sound itself.
Can I convert an MP4 video to MP3?
Yes. Drop the MP4 (or MOV or WebM) into Audio Kit and the sound is pulled out in seconds. Go to Save, choose MP3 and what it's for (Best quality, Podcast or Small file for email), and press Download. The file size is shown before you save. Videos up to 400 MB and 60 minutes open; the video itself is never uploaded.
How do I make an iPhone ringtone (.m4r)?
Open the song or recording in Audio Kit, select up to 30 seconds on the waveform, go to Save, pick Ringtone and M4A. Audio Kit keeps 30 seconds at most, makes it loud and clear, fades the end, and saves it as .m4r, the file iPhone ringtones use. For Android, pick MP3. M4A needs a current Chrome, Edge or Safari on a computer.
Can I remove long silences from a recording automatically?
Yes. In Audio Kit's Edit tab, Long pauses finds every pause longer than the time you pick (half a second to 3 seconds), says how many there are and how much time they add up to, and Shorten them leaves a short natural gap in each. With a transcript, Shorten long pauses in the Words tab does the same, and Remove the ums and uhs cuts filler words.
How do I cut a part out of a song or recording?
Open the file in Audio Kit (it starts in Basic mode). Drag across the waveform over the part you don't want, adjust the white handles or type the exact Start and End (like 1:01.237), press Play selection to check it, then press Delete (or the Delete key). The rest closes up with a tiny automatic crossfade, so there's no click, and the cut is exact to the sample. Trim to this does the opposite and keeps only the selection. Undo puts it back. Then press Save and pick a format.
How do I put music under a voice recording so it gets quieter when I talk?
In Audio Kit, open the voice recording, then Add / Open → Music under it. Pick a music file (or one from your Graphics Library), set the music's volume and how far it dips while someone talks, and press Hear the mix. The music lowers by itself under every spoken part and comes back up in the gaps. Press Put it in; Undo takes it out again. Use only music you have the rights to.
Can I convert or clean up lots of audio files at once?
Yes. Audio Kit's Batch takes up to 50 files, runs a recipe (for example: trim silence, shorten pauses, remove noise, level to -16 LUFS) or a plain conversion on each, and downloads one ZIP. It all runs in your browser, so nothing is uploaded. Save your own recipe once in Recipes and pick it in Batch next time.
How do I add chapters, a title and cover art to a podcast MP3?
In Audio Kit, drop a marker (M) at each chapter start and name it with the pencil. In Save, open Title, artist & cover art, fill in the details and add a picture, then save as MP3. The title, artist, album, cover and chapters go inside the file. Chapters can also be downloaded as a YouTube description or a podcast chapters JSON file.
How do I get the audio out of a video?
Open Audio Kit (aikit.ai/tools/audio-kit) and drop in the MP4, MOV or WebM file. The sound is pulled out in your browser in a few seconds and opens on the waveform, ready to trim, clean up or save. Go to Save, pick a format (MP3 plays everywhere) and press Download. Nothing is uploaded and no tokens are used. Files can be up to 400 MB and 60 minutes.
How do I convert WAV to MP3 (or M4A, FLAC, OGG, AIFF)?
Open the file in Audio Kit, go to Save, pick the format and what it's for (Best quality, Podcast, Small file for email or Ringtone), and press Download. Audio Kit opens MP3, WAV, M4A, AAC, FLAC, OGG and AIFF and saves to all of them, in your browser, with no tokens. The Save tab shows about how big the file will be before you make it.
How do I remove background noise from a recording?
Open the recording in Audio Kit, go to Clean up, pick Light, Medium or Strong and press Remove the noise. It learns the noise from the quietest moments (hiss, hum, fans, room noise) and lowers it everywhere while the voice stays. Press Hear it before the change to compare, and Undo if you'd like it lighter. Make it clear then evens out the voice and levels it for podcasts. Both run in your browser and use no tokens.
Can I edit audio by editing the transcript?
Yes. In Audio Kit's Words tab, press Make the transcript (about 1 token for up to 10 minutes). Every word appears with its time: click a word to jump there, select words and press Delete, and the sound is cut with them. Remove the ums and uhs cuts every filler word at once, and Shorten long pauses trims dead air. Download the words as SRT or VTT captions or a plain text transcript.
How do I make a ringtone from a song?
Open the song in Audio Kit, drag across the waveform to select the part you want (up to 30 seconds), then go to Save, pick Ringtone and choose M4A for iPhone (it is saved as .m4r) or MP3 for Android. Ringtone keeps 30 seconds at most, makes it loud and clear, and fades the end so it doesn't stop suddenly. Use only music you have the rights to.
How do I level a podcast to -16 LUFS?
In Audio Kit's Edit tab, press Podcast (-16) under Leveling, or YouTube, Spotify (-14) for video. Audio Kit measures the loudness the standard way (LUFS), sets it, and keeps peaks safe so nothing distorts. The Save tab's Podcast choice also does this and saves one clear mono track. The editor's top line shows the loudness at any time.
Can I remove the vocals from a song?
For a stereo song, Audio Kit's Quick voice remover (in Clean up) takes out what sits in the middle of the mix, which is usually the lead voice, for a karaoke version. It is free and instant but rough on some songs, and it needs a stereo file. An AI Studio split into voice, drums, bass and the rest is shown in Audio Kit as not switched on yet.

Mache byen ak

Zouti pou ajoute nan menm kit la

Voice Kit

Vwa ou

Anrejistre anviron yon minit, konfime se pwòp vwa ou, epi aiKit fè yon vwa IA ou. Li script, reklam ak voiceover animasyon ak vwa sa a, korije nenpòt liy epi tande sèlman liy sa a ankò, epi wè tokens yo anvan anyen kouri.

Music Maker

Nouvo

Jeneratè mizik AI aiKit la transfòme yon deskripsyon, oswa kèk stil ou chwazi, an 2 vèsyon yon chante orijinal ak paroles ekri pa AI, paroles pa ou, oswa san vwa. Koupe li pou yon piblisite, voye l pou apwobasyon, oswa mete l anba videyo ou an.

Video Kit

Nouvo

Video Kit se yon editè videyo AI pou rezo sosyal: mete klip ou yo epi modifye yo tankou yon dokiman. Efase mo pou koupe videyo a, retire poz ak "euh" nan yon sèl pas, epi Mande chanjman ak mo senp. Sou-tit, dimansyon, mizik ak logo ou yo deja enkli.

Sèvi ak Audio Kit jodi a.

Kreye yon kont aiKit gratis epi louvri Audio Kit, ansanm ak tout lòt zouti nan kit ou a.

Kòmanse gratisWè tout zouti yo

Dènye fwa nou verifye paj sa a ak pwodwi a se 2026-11-01.