For H.264 we use CRF 23 (sweet spot - good quality, small size). For VP9 - CRF 32. If you need a smaller file or higher quality, run ffmpeg locally with custom flags.

No. Downloading from YouTube violates their ToS. Get the file on disk first (legally), then upload here.

How long does it take?

Depends on duration and resolution. 5 min HD ~ 30-60 sec. 30 min 4K can take several minutes. The progress bar shows current state.

Is the conversion safe?

Yes. Small files convert inside your browser - never uploaded. Larger ones land on our server temporarily and are wiped automatically: 200 MB after 10 min, 100 MB after 20 min, 50 MB after 30 min, smaller after one hour. You can also delete them instantly after download.

Yes - 200 MB max per file. Larger files get rejected for performance and cost reasons.

Do you preserve original quality?

Depends on the pair. Lossy compression (e.g. JPG, MP3) always trims something - we set sensible defaults. Lossless (FLAC, PNG, ZIP) keeps everything 1:1.

Do I need an account?

No. The converter works right away - no signup, no login, no payment.

Fine. Tools run on free software (ffmpeg, LibreOffice, Calibre, ImageMagick). Your files stay yours, no claims from us.

What if the conversion fails?

You get a specific error. Common causes: corrupt source, encrypted format, file too large, or an unusual variant. Open in the source app, save again, re-upload.

Video converter

Video converter online - dozens of formats, preserves quality, wiped from the server after a few minutes.

Runs in your browser

Video converter

Drop a file, pick a target format, download. Small files convert inside your browser. Larger ones go to the server and disappear automatically.

Files auto-delete from our server

Anything you upload is wiped 3 minutes after you close this tab or leave the tool. Protects your privacy and keeps our disks clean.

Drop a file here or click to pick one

The file goes to our server, gets converted, and is wiped automatically.

Up to 200 MB per file

From this category to others

17 pairs

MOVMP4 MP4MOV MKVMP4 MP4MKV AVIMP4 MP4AVI FLVMP4 WMVMP4 WEBMMP4 MP4WEBM MP4GIF MP4MP3 MOVMP3 MKVMP3 3GPMP4 TSMP4 VOBMP4

Your privacy. Small files convert locally. Larger ones land on our server temporarily: 200 MB after 10 min, 100 MB after 20 min, 50 MB after 30 min, smaller after one hour. You can also delete them instantly after downloading.

Video converter

Video converter supports dozens of formats. Drop a file, pick the target, download. Small files convert inside your browser - they never leave your device. Larger ones land on our server temporarily and are wiped automatically, latest after one hour.

How to convert

Drop a video file onto the dropzone or click and pick one.
Choose a target format - we only show ones that make sense for your file.
Hit Convert. The progress bar shows where we are.
Download the result. You can wipe it from the server the moment you have it.

When to use it

Social media uploads - MOV / MKV / AVI → MP4 (universal everywhere).
Web - MP4 → WebM for lighter in-browser loading.
GIF clips - MP4 → GIF for memes and tutorials.
Extract audio - MP4 / MKV → MP3 / WAV.

Frequently asked questions

For MP4: H.264 (libx264) + AAC. For WebM: VP9 + Opus. For MKV: H.264 + AAC. For AVI: MPEG-4 + MP3. All widely compatible - browsers, phones, TVs.

Related tools

File Converter

Swap a file format in 3 steps. 200+ formats: images, video, audio, documents, archives, ebooks, fonts.

Video converter

Drop a file, pick a target format, download. Small files convert inside your browser. Larger ones go to the server and disappear automatically.

Files auto-delete from our server

Anything you upload is wiped 3 minutes after you close this tab or leave the tool. Protects your privacy and keeps our disks clean.

Drop a file here or click to pick one

The file goes to our server, gets converted, and is wiped automatically.

Up to 200 MB per file

From this category to others

17 pairs

MOVMP4 MP4MOV MKVMP4 MP4MKV AVIMP4 MP4AVI FLVMP4 WMVMP4 WEBMMP4 MP4WEBM MP4GIF MP4MP3 MOVMP3 MKVMP3 3GPMP4 TSMP4 VOBMP4

Video converter

How to convert

Drop a video file onto the dropzone or click and pick one.

Choose a target format - we only show ones that make sense for your file.

Hit Convert. The progress bar shows where we are.

Download the result. You can wipe it from the server the moment you have it.

When to use it

Social media uploads - MOV / MKV / AVI → MP4 (universal everywhere).
Web - MP4 → WebM for lighter in-browser loading.
GIF clips - MP4 → GIF for memes and tutorials.
Extract audio - MP4 / MKV → MP3 / WAV.

Frequently asked questions

For MP4: H.264 (libx264) + AAC. For WebM: VP9 + Opus. For MKV: H.264 + AAC. For AVI: MPEG-4 + MP3. All widely compatible - browsers, phones, TVs.