Convert video online free
Convert MP4, MOV, MKV, AVI, WebM, WMV, FLV, 3GP, MPG, OGV, WAV or MP3 — powered by server-side FFmpeg, with video, audio and subtitle settings.
Your file is uploaded to our servers (Amsterdam), converted with FFmpeg, then deleted immediately — we keep no video, audio, subtitle text or any other data.
Drag and drop a video or audio file
MP4, MOV, MKV, AVI, WebM, WMV, FLV, 3GP, MPG, OGV, WAV, MP3, M4A, FLAC, OGG, OPUS…
Selected file
Conversion engine (FFmpeg)
One-time ~30 MB download in your browser. Required to convert or extract audio.
Export settings
Control format, picture and sound — free.
Free online video converter: pick an output format (MP4 recommended), open Show all options for resolution, codecs, frame rate and volume. Your file is converted server-side via FFmpeg — faster and more reliable than browser-based tools.
Output format
MP4 recommendedMore formats (3GP, FLV, WMV…)
All formats are handled server-side via FFmpeg — no browser codec limitations.
Export preview
video.mp4
—
Play the video to preview subtitles on the clip.
Select a file first. The button shows the output format.
Ready to download
Show all options
Free detailed options (optional)
Fine-tune your conversion — defaults work for most files.
- Resolution — keep original or cap at 1080p, 720p, 480p, 360p
- Video codec — auto (H.264 for MP4), copy stream, H.264 (AVC), MPEG-4, VP8 (WebM), Theora (OGV)
- Audio codec — auto, copy track, AAC, MP3, Opus
- Frame rate & volume — original fps or 30 / 25 / 24 ; volume 50%, 100% or 150%
Subtitles, rotation and audio bitrate are in Advanced settings below — also free.
Audio-only output: set audio codec and bitrate (96–320 kbps). Video options are hidden.
Video resolution
Video codec
Audio codec
Audio bitrate
kbps
Frame rate & volume
Trim video (optional)
Keep only a portion. Leave full to convert the whole clip.
Selected duration: —
Target file size (optional)
Estimated video bitrate: —
Target size uses a fixed video bitrate (H.264 / VP8).
Advanced settings
Subtitles and fine tuning.
Generate subtitles in the browser, import .srt/.ass, edit text, then convert with soft or burned-in subs.
Burn-in is not available in the browser — use soft subs or download the .srt file.
Browser transcription is slow and often freezes. Server (recommended): only extracted audio is sent — not your video. When transcription finishes, audio, transcript and SRT are deleted immediately; we keep no file, no text and no other data (servers in Amsterdam).
After generation, edit the SRT below then convert your video.
Experimental browser mode: ~40 MB model download, slow processing, frequent freezes. Use Server unless you are testing a very short clip.
Preparing transcription…
Rotation & flip
Powerful conversion
All formats via native FFmpeg — no browser codec limits.
Private processing
File deleted immediately after conversion — nothing stored.
Built-in subtitles
Generate, import, edit and export SRT.
Reassurance
How it works
Upload a video or audio file: WAV, MP3, MP4, MOV, MKV, WebM…
Set format, resolution, codecs, volume and optional subtitles.
Download the result — file deleted from our servers immediately after.
FAQ
Frequently asked questions
How do I convert WAV to MP4? +
Drop the WAV, choose MP4: your file is uploaded, converted server-side via FFmpeg, then deleted immediately.
What video and audio formats are accepted? +
MP4, MOV, AVI, MKV, WebM, WMV, FLV, 3GP, 3G2, MPG, OGV, WAV, MP3, M4A, FLAC, OGG, OPUS, AAC, AIFF…
Can I edit generated subtitles? +
Yes: after generation, edit the SRT text, then convert with soft or burned-in subtitles.
Is my video sent to your servers? +
Yes — conversion is handled server-side via native FFmpeg (faster and more reliable than browser-based tools). Your file is deleted from our servers as soon as conversion is complete. We store nothing.
I only want the audio from a video +
Choose WAV or MP3 as output, or use our extract-audio tool.