H.264 to 3GP - Online Video Converter

Convert H.264 to 3GP online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert H.264 to 3GP

[+] Drop H.264 video here or click to select H.264, MP4

Output format

3GP (H.264 / AAC)

No transcoding (remux only)[i]

Mode[i]

Simple Advanced

Quality[i]

Resolution[i]

About H.264 to 3GP

Convert H.264 to 3GP. H.264 is the AVC codec behind most MP4 and broadcast video. The 3GP target profile packages H.264 with AAC for legacy handsets. Resolution caps apply, so expect phone-sized output..

Why convert H.264 to 3GP?

Smaller files with 3GP lossy compression.
Keep animation and transparency where supported.
Private, no upload - runs in your browser.

H.264 vs 3GP

Animation	Yes	Yes
Transparency	No	No
Compression	lossy	lossy
Typical use	H.264 is the AVC codec behind most MP4 and broadcast video.	The 3GP target profile packages H.264 with AAC for legacy handsets.

When not to convert H.264 to 3GP

Skip 3GP for archival masters: lossy compression discards detail, so keep the H.264 original.
Keep a master copy: repeated exports stack small losses, so archive H.264 before batch 3GP shares.

Limits

Starting point: H.264 - H.264 is the AVC codec behind most MP4 and broadcast video. Annex-B headers usually import cleanly into MP4. Resolution caps apply, so expect phone-sized output. Encode 3GP (H.264 / AAC) from H.264 at a bitrate near the source, and confirm the audio track before converting.

How conversion works

Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.

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FAQ

How do I convert H.264 to 3GP?

Drop your H.264 file onto this page, choose quality and codec settings, then click Convert. The result downloads as 3GP instantly. All processing runs in your browser.

What codec is used for 3GP?

The default codec for 3GP is H.264 / AAC. You can change the video and audio codec in Advanced mode.

How do you store my files?

We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.