Audio tools — 31 free, in your browser
Edit, mix, master, and convert audio at studio quality — 32-bit float internals, EBU R128 loudness, sample-accurate edits.
Most popular
Trim Audio
Cut the start and end of an audio file with precise time controls.
Convert Audio Format
Convert audio between WAV and MP3 — pick bitrate and quality.
Audio to Text
Transcribe any audio into text with timestamps — 90+ languages, runs on your device.
Ringtone Maker
Cut a clip from any song, add fade in/out, and export a ready-to-use ringtone (MP3 or M4R).
All audio tools
Merge Audio
Join multiple audio files back-to-back into one track.
Adjust Volume
Make audio louder or quieter — by dB or by percent.
Fade In
Smoothly ramp the start of your audio from silent to full volume.
Fade Out
Smoothly ramp the end of your audio down to silence.
Normalize Audio
Bring quiet tracks up to a consistent loudness — no clipping.
Change Speed
Speed up or slow down — affects pitch too (vinyl-style).
Reverse Audio
Play your audio backwards — instant, sample-accurate.
Change Pitch
Shift pitch up or down in semitones — speed stays the same.
Change Tempo
Speed up or slow down without affecting pitch — perfect for practice.
Echo
Add a tasteful echo — pick the delay and how loud the bounce is.
Bass Boost
Punch up the low end — adjustable boost from subtle to thunder.
Treble Boost
Lift the highs for clarity and air — or pull them back for warmth.
Add Reverb
Room, hall, or cathedral — give vocals and instruments space.
5-Band Equalizer
Shape the sound across five frequency bands — bass to treble.
Compress Audio
Re-encode at a lower bitrate — smaller file, still listenable.
Mono → Stereo
Convert mono recordings to a balanced two-channel stereo file.
Stereo → Mono
Downmix two channels to one — perfect for voice notes and podcasts.
Remove Silence
Trim silent gaps from start, end, or throughout — tighten any recording.
Remove Noise
Clean up voice recordings — wipe out background hiss, hum, and room noise.
Text to Speech
Type or paste text, pick a voice, and play or save the audio.
Waveform Image
Render an audio file as a clean waveform image — PNG or SVG, any color.
Split Audio
Cut a long audio file into equal pieces — by duration or piece count — and download as ZIP.
Loop Audio
Repeat any audio clip a few times or for a target duration — clean joins, no gaps.
Stereo Pan
Move audio left or right in the stereo field — constant-power, no level jumps.
Stereo Width
Widen or narrow the stereo image — from mono up to extra-wide.
Vocal Remover
Make an instrumental or isolate the vocals — works on your device, instantly.
Voice Recorder
Record audio from your microphone, play it back, and download it — right in the browser. Nothing is uploaded.
What people do with the audio tools
- ·Trim podcast recordings with sample-accurate cuts and crossfades
- ·Convert MP3 / WAV / FLAC / OGG / M4A / OPUS losslessly
- ·Master a track to LUFS for Spotify, YouTube, Apple Music
- ·Generate voiceovers in 60+ languages
- ·Detect key, BPM, and beats for DJ and remix prep
Why Xonvert Audio
Compared with Audacity, Adobe Audition, Reaper, Logic Pro, Xonvert's audio tools trade install, license, and account for a URL. Free, private, fast, and offline-capable once loaded. The depth a desktop tool offers, with none of the friction.
Frequently asked questions
Are the Xonvert Audio tools free?+
Yes — every tool is free. No signup, no credit card, no trial limits. Pro removes the small export watermark on free tools and lifts daily quotas on the heaviest operations.
Do my files leave my device?+
No. The Audio tools run entirely in your browser. Your files are processed locally and never reach our servers.
Do they work offline?+
Yes — once a tool page is loaded, the browser caches its code and the tool keeps working without internet.
Do they work on mobile?+
Yes. Every audio tool works in modern mobile browsers on Android and iOS without an app install.
Can I use these for commercial work?+
Yes, with no licensing fees. We don't claim rights to anything you produce.