Free audio & video tools
Convert video to MP3, extract or convert audio, trim clips, make GIFs, compress videos and fix the volume. Processing uses ffmpeg compiled to WebAssembly on your own device, so even large files never get uploaded.
Ready to use
- MP4 → MP3
MP4 to MP3
Convert MP4 video to MP3 audio free in your browser. No upload, no sign-up, works with large files. Choose 128–320 kbps.
- MP4 → GIF
Video to GIF
Turn a clip from any video into a high-quality animated GIF. Pick the start, length, size and frame rate. Free, private, in your browser.
- ✂ 0:12–1:45
Trim audio
Cut the start and end off MP3, WAV, M4A, OGG and FLAC files. Preview, set exact times, add fade in/out. Free, private, in your browser.
- ✂ 0:05–0:30
Trim video
Cut the start and end off a video in your browser. Fast mode keeps full quality without re-encoding; precise mode cuts frame-exactly. Free.
- 500 MB → 60 MB
Compress video
Make videos smaller for email, WhatsApp and uploads. H.264 MP4 output, choose quality and resolution (1080p, 720p, 480p). Private and free.
- video → audio
Extract audio
Save the soundtrack of MP4, MOV, WebM or MKV videos without re-encoding (AAC, Opus, MP3…), or convert it to MP3. Private, in your browser.
- WAV ⇄ MP3
WAV to MP3 & audio converter
Convert audio between WAV, MP3, M4A (AAC), OGG and FLAC in your browser. Choose the bitrate, batch convert, no upload, no sign-up.
- 🔊 +6 dB
Change volume
Make audio or video louder or quieter by up to 20 dB, or normalise loudness to −16 LUFS. MP3, WAV, M4A, MP4, MOV and more. Private.