Are my files uploaded anywhere?

No. All processing runs locally in your browser via FFmpeg compiled to WebAssembly. Your media never leaves your device.

Does Audio-Glide need an account or installation?

No account, no install. Open the page, drop a file in, edit it, download the result.

Which formats are supported?

Audio: MP3, WAV, OGG, FLAC, AAC, M4A, OPUS, WMA. Video: MP4, WebM, MKV, AVI, MOV, TS, FLV, 3GP.

Yes. It is free to use, with no ads. The source is published on GitHub.

Can I extract audio from a video file?

Yes. Pick the Extract Audio operation, choose MP3, WAV or AAC as the target format, and apply.

Does it work offline?

Once the page is loaded the editing itself runs locally and does not need network access.

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Audio-Glide No upload · No tracking

Free, in-browser audio & video editor powered by FFmpeg WebAssembly. JavaScript is required to use the editor.

What it does

Trim audio or video by selecting a fragment on the waveform
Adjust volume, playback speed, fade in and fade out
Normalize loudness to the broadcast standard EBU R128 (−14 LUFS)
Reverse audio and video, pitch-shift by ±12 semitones (duration preserved)
Mute a selected region, apply bass / treble shelving EQ (±20 dB)
Convert between MP3, WAV, AAC, OGG, FLAC, MP4 and WebM
Loop / repeat 2–20 times
Extract audio from a video file as MP3, WAV or AAC

Supported formats

MP3
WAV
OGG
FLAC
AAC
M4A
OPUS
WMA
MP4
WebM
MKV
AVI
MOV
TS
FLV
3GP

Languages

Українська · English · Polski (auto-detected, switchable in the header)

Privacy in one line

Your files never leave your browser. There is no upload step, no account, no analytics and no third-party tracking. See the full privacy policy and terms of use.

Source code

The app is open source: github.com/dron180103-hue/Audio-Glide

Keyboard shortcuts

Space — play / pause
← / → — seek 5 seconds
Enter — apply operation
Esc — back / cancel
? — keyboard help