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MP4 File Format

MPEG-4 Video category

MP4 (H.264) is the universal video format: every phone records it, every browser, TV, editor and chat app plays it.

Typical use: Convert to MP4 when a video must play everywhere — it is the one format you never have to worry about.

About the MP4 format

MP4 (MPEG-4 Part 14) is the universal delivery container of digital video. It wraps H.264, HEVC or AV1 video with AAC audio, and its structure — separate metadata (moov) and media atoms — is what makes streaming, seeking and fast-start playback possible. Phones, cameras, TVs, browsers and every social platform assume MP4 first.

Quality is entirely a function of the codec and bitrate chosen at encode time, so an MP4 can be a 10 Mbps HEVC master or a postage stamp. That flexibility plus total playback coverage is why nothing has displaced it in twenty years — conversion between formats almost always ends in MP4.

Strengths

  • ✓ Plays on every device and platform in existence
  • ✓ Streaming-ready structure (fast start, seeking)
  • ✓ Choice of modern codecs: H.264, HEVC, AV1

Limitations

  • ✗ Quality depends entirely on encode settings
  • ✗ HEVC variants hit licensing gaps on some platforms
Compression
H.264 / HEVC / AV1 + AAC
Quality
Depends on encode settings
Compatibility
Plays everywhere
Best for
Distribution, web, storage

Tools Actions on MP4 files themselves

Compress MP4 Trim video Remove audio Reverse video Rotate video Flip video Change video speed Boost video volume Crop video Resize video Loop video Merge videos Fit video to canvas Fade video Adjust video colors Normalize video volume Sharpen video Denoise video Change video fps Watermark video

Convert MP4 to…

26 direct directions plus 46 workflows, sorted A–Z; 🔥 marks popular targets.

MP4 to 3G2 MP4 to 3GP MP4 to APNG MP4 to ASF MP4 to AVI Hot MP4 to DV MP4 to F4V MP4 to FLV MP4 to GIF Hot MP4 to H.264 MP4 to M2TS MP4 to M4V Hot MP4 to MKV Hot MP4 to MOV Hot MP4 to MPEG MP4 to MPEG1 MP4 to MPEG2 MP4 to MPEG4 MP4 to MPG MP4 to TS MP4 to VOB MP4 to WEBM Hot MP4 to WebP Hot MP4 to WMV MP4 to Y4M Video to frames (ZIP) Hot

Cross-engine workflows

MP4 to 7Z MP4 to AAC MP4 to AC3 MP4 to AIF MP4 to AIFF MP4 to ALAC MP4 to APK MP4 to AU MP4 to CAF MP4 to E-AC3 MP4 to F4A MP4 to F4B MP4 to FLAC MP4 to GSM MP4 to JAR MP4 to JFIF MP4 to JPE MP4 to JPEG MP4 to JPG MP4 to M4A MP4 to M4B MP4 to M4R MP4 to MP2 MP4 to MP3 MP4 to OGA MP4 to OGG MP4 to OPUS MP4 to PCM MP4 to PNG MP4 to PNG24 MP4 to PNG8 MP4 to TAR MP4 to TAR.BZ2 MP4 to TAR.GZ MP4 to TAR.XZ MP4 to TBZ2 MP4 to TGZ MP4 to TTA MP4 to TXZ MP4 to VOC MP4 to W64 MP4 to WAV MP4 to WAVPCM MP4 to WIM MP4 to WV MP4 to ZIP

Convert other files to MP4…

3G2 to MP4 3GP to MP4 ASF to MP4 AVI to MP4 Hot DivX to MP4 DV to MP4 F4V to MP4 FLV to MP4 GIF to MP4 Hot H.264 to MP4 M1V to MP4 M2TS to MP4 M2V to MP4 M4V to MP4 Hot MJPEG to MP4 MKV to MP4 Hot MOV to MP4 Hot MPEG to MP4 MPEG1 to MP4 MPEG2 to MP4 MPEG4 to MP4 MPG to MP4 MTS to MP4 MXF to MP4 OGV to MP4 RM to MP4 RMVB to MP4 TS to MP4 VOB to MP4 WEBM to MP4 Hot WMV to MP4 WTV to MP4 Xvid to MP4 Y4M to MP4

Cross-engine workflows

AAC to MP4 AC3 to MP4 AIF to MP4 AIFF to MP4 ALAC to MP4 AMB to MP4 AMR to MP4 APE to MP4 AU to MP4 AVR to MP4 CAF to MP4 CVS to MP4 CVU to MP4 DSS to MP4 DTS to MP4 E-AC3 to MP4 F32 to MP4 F4A to MP4 F4B to MP4 F64 to MP4 FAP to MP4 FLAC to MP4 FSSD to MP4 GSM to MP4 GSRT to MP4 HCOM to MP4 HTK to MP4 IRCAM to MP4 M4A to MP4 M4B to MP4 M4R to MP4 MAUD to MP4 MOD to MP4 MP2 to MP4 MP3 to MP4 OGA to MP4 OGG to MP4 OMA to MP4 OPUS to MP4 PAF to MP4 PVF to MP4 QCP to MP4 S16 to MP4 S24 to MP4 S32 to MP4 S3M to MP4 SD2 to MP4 SHN to MP4 SMP to MP4 SNDR to MP4 SNDT to MP4 SPX to MP4 TAK to MP4 TTA to MP4 TXW to MP4 U8 to MP4 VMS to MP4 VOC to MP4 VQF to MP4 W64 to MP4 WAV to MP4 WAVPCM to MP4 WMA to MP4 WV to MP4 WVE to MP4 XI to MP4 XM to MP4

Frequently asked questions

What is a MP4 file?

MP4 (H.264) is the universal video format: every phone records it, every browser, TV, editor and chat app plays it.

How do I convert MP4 files online?

Pick a target format from the "Convert MP4 to…" list below, drop your file and hit convert. Everything runs in your browser — no install, no upload, no watermark, no limits.

Is it safe to convert MP4 files here?

Yes. Every conversion is performed by your own device inside the browser — files never leave for a server, and the page keeps working even offline.

Which formats can MP4 convert to?

This page lists all 92 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.