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You have a MOV file that won't play on Windows, an AVI from an old camera, or an MKV that Instagram rejects. You need MP4. Online converters either slap a watermark on it, limit your file size, or take 10 minutes to upload and process. Browser tools convert locally in seconds.
| Tool | Watermark | File Size Limit | Signup | Upload to Server | Speed |
|---|---|---|---|---|---|
| Zamzar Free | ✓ None | ✗ 50MB limit | Optional | ✗ Yes — slow upload | Slow — upload + process + download |
| CloudConvert Free | ✓ None | ✗ 25 conversions/day | Optional | ✗ Yes | Medium |
| Convertio Free | ✓ None | ✗ 100MB limit | Optional | ✗ Yes | Medium |
| Clideo Free | ✗ Watermark | ✗ 500MB limit | Yes | ✗ Yes | Slow |
| FreeConvert | ✓ None | ✗ 1GB limit | Optional | ✗ Yes | Medium |
| HandBrake | ✓ None | ✓ No limit | ✓ No | ✓ No — local | Fast — but needs install |
| Browser Converter | ✓ None | ✓ No limit | ✓ No | ✓ No — local | Fast — no install either |
No upload wait time. No 50MB limit. No watermark. No signup form.
| Source | Why Convert | Result |
|---|---|---|
| MOV (iPhone recording) | Windows/Android can't play it | MP4 — plays everywhere |
| AVI (old camera/DVD rip) | Huge file, outdated format | MP4 — 50-70% smaller, modern codec |
| MKV (downloaded/ripped) | Social media rejects MKV | MP4 — accepted by all platforms |
| WebM (screen recording) | Email clients reject it | MP4 — universal attachment format |
| FLV (old web video) | Nothing plays FLV anymore | MP4 — modern playback |
| WMV (Windows Movie Maker) | Mac/Linux can't play it | MP4 — cross-platform |
Every tool in the chain: no watermark, no signup, no file limit.
Convert any video to MP4 — free, no watermark, no limit.
Open Video Converter