OpenAnyFile
What is a .3gp file?
3GPP Multimedia is a video format developed by 3GPP, first released in 2001. It is usually created by Early camera phones, MMS.
A stripped-down MP4 designed for 2G/3G bandwidth, which is why old phone recordings look so heavily compressed.
File details
| Full name | 3GPP Multimedia |
|---|---|
| Category | Video |
| MIME type | video/3gpp |
| Signature (magic bytes) | .. 66 74 79 70 33 67 70 |
| Developer | 3GPP |
| Introduced | 2001 |
| Opens with | Video player |
| Uploaded? | No — read locally in your browser |
How to open a .3gp file
OpenAnyFile routes .3gp files to its video player, which shows a full player with seeking and fullscreen, if your browser has the codec.
- Drop your .3gp file on the box above, click it to choose the file, or paste it with Ctrl+V.
- The real format is detected from the file's first bytes — not just its name.
- The file opens in the video player.
- Use fullscreen for a closer look, check its checksums, or download it back unchanged.
What works — and what does not
Works
Viewing and inspecting: a full player with seeking and fullscreen, if your browser has the codec. Size, type, signature and checksums are always shown.
Does not work
Editing and saving back. OpenAnyFile is a viewer, not an editor — for changes you still need the original app.
Is it safe to open a .3gp file online?
Here, yes — because nothing is uploaded. Most "online viewers" send your file to their server. OpenAnyFile reads it with your browser's File API and decodes it on your own device, so there is no copy anywhere else. You can check: open your browser's network tab while opening a file — no upload appears.
Questions about .3gp files
Can I open a .3gp file without installing software?
Yes. OpenAnyFile opens .3gp files in your browser using its video player. You get a full player with seeking and fullscreen, if your browser has the codec, with nothing installed and no account.
How do I know a file is really a .3gp file?
Check its first bytes instead of its name. A genuine 3GP file begins with .. 66 74 79 70 33 67 70. OpenAnyFile shows the detected type, so a renamed file is easy to spot.
Is my .3gp file uploaded anywhere?
No. The file is read locally by your browser and never sent to a server — it even works offline once the page has loaded.
Does it work on phones?
Yes — on Android and iPhone, in any modern browser. You can also install OpenAnyFile as an app.
Related formats
Other formats from the same family:
Format facts checked and page updated on September 25, 2026.