Audio guides

Step-by-step guides for common audio tasks in Auditius, each with the exact menus and settings to use.

Free
No install, no account
Files never leave your computer
English and Spanish

Audio tools

Remove background noise from audio onlineRemove background noise from audio online for free: capture a noise profile, preview the result and export a clean file. Runs in your browser, with no uploads.
Change the tempo of audio without changing the pitchChange the tempo of audio without changing the pitch: slow down or speed up songs, speech and loops in your browser. Free, nothing to install, and no uploads.
Convert audio online: WAV, MP3, FLAC and OggConvert WAV to MP3 or FLAC online for free, or turn MP3, M4A and OGG into WAV. Choose bitrate or bit depth and export, all in your browser, with no uploads.
Cut and join audio onlineCut and join audio online: trim MP3 or WAV files, remove unwanted parts and merge several recordings into one. Free, in your browser, with no uploads.
Make loops and beats onlineMake loops online with royalty-free drum, bass and synth loops that follow your tempo. Repeat blocks, mix tracks and export WAV or MP3, free.
Make audio louder onlineMake a quiet recording louder in your browser: boost the volume in dB, check the peaks so it does not distort and save the file. Free, and nothing is uploaded.
Normalize audio onlineNormalize audio online for free: set the loudest peak to the level you choose, for one file or many, without clipping. Runs in your browser, with no uploads.
Add a fade in and a fade out to audioAdd a fade in or a fade out to any song or recording in your browser: select the start or the end, pick a curve and save. Free, nothing to install, no uploads.
Change the pitch of audio without changing the speedChange the pitch of a song or recording online for free: transpose by semitones or cents and keep the same speed and length. In your browser, with no uploads.
Reverse audio online and play it backwardsReverse audio online for free: play a song, a voice or a sound effect backwards, or reverse only a selected part. Runs in your browser, with nothing uploaded.
Make a ringtone from a song onlineMake a ringtone from any song online for free: pick the best 30 seconds, add fades, even out the volume and save it as an MP3. In your browser, with no uploads.
Equalize audio online with a graphic equalizerEqualize audio online for free: boost the bass, tame harsh highs or clear up a voice with a 10-band graphic EQ, filters and presets. In your browser, no uploads.
Compress audio online to even out the volumeFree online audio compressor: even out the loud and quiet parts of a voice, podcast or song with threshold, ratio and presets. In your browser, with no uploads.
Add reverb to audio onlineAdd reverb to a voice, instrument or song online for free: choose a room, hall or plate preset, keep the tail and export. Runs in your browser, with no uploads.
Record audio from your microphone onlineRecord audio from your microphone in the browser: watch the input level, record into a new or open file, play along in the multitrack and save as WAV or MP3.
Remove clicks, pops and crackle from a recordingRemove clicks, pops and vinyl crackle from audio in your browser with the Click / Pop Eliminator. Preview the repair and save the result. Free, with no uploads.
Fix clipped, distorted audio onlineFix clipped audio in your browser: spot the flattened peaks, rebuild them with Clip Restoration and keep the level below full scale. Free, nothing to install.
Convert stereo audio to mono onlineConvert stereo audio to mono online for free: mix both channels with the Channel Mixer or make a true one-channel file. In your browser, with no uploads.
Transcribe audio to text with AI, in your browserTranscribe audio to text with AI for free in your browser: word timings, click a word to hear it, SRT or VTT subtitles. Your recording is never uploaded.
AI text to speech in Spanish and English, in your browserTurn text into speech with AI for free in your browser: Spanish and English voices, adjustable speed, pause tags and WAV export. Your text stays on your device.
Separate the vocals from a song with AISeparate the vocals from a song with AI in your browser: get the voice alone or the music without it, plus drums and bass. Free, and your song is never uploaded.