Step 1: Drop your 3GP files using the button above or by deposit and leave.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Receive your converted WebM files.
3GP to WebM Conversion FAQ
How do I convert a 3GP file to WebM?
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Upload your 3GP file using the picker above and the converter detects the source type and runs the 3GP → WebM pipeline. The result downloads automatically when conversion completes; no account needed for one-off conversions.
Can I add selectable subtitles once the file is WebM?
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Yes. 3GP has no usable soft-subtitle track, so subtitles for 3GP content had to be burned into the picture or shipped as a separate sidecar file. WebM carries subtitles as their own selectable stream, so after conversion you can attach an SRT track the viewer can switch on, switch off or restyle. WebM is deliberately narrow: VP8 or VP9 video (AV1 more recently) with Vorbis or Opus audio, and nothing else.
Will the WebM play in a browser when the 3GP would not?
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Yes, and that is usually the whole reason for the conversion. A 3GP embedded in a web page either shows a broken player or forces a download, because browsers ship no decoder for it. WebM plays inline through the native HTML5 video element with no plugin and no external application. WebM plays natively in every modern browser with no plugin, no licence fee and no patent exposure, which makes it the default for web-embedded video.
Both 3GP and WebM are modern containers — which should I actually keep?
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Keep whichever matches where the file is going, because neither is better in the abstract. One of these two is built for playback compatibility and the other for holding everything a file might contain, and they trade against each other exactly along that line. The pragmatic answer for most libraries is to archive in the feature-rich container and export to the compatible one on demand. 3GP files are tiny and decode on the weakest hardware imaginable, which is why feature phones and low-end handsets still record it.
Is the 3GP to WebM converter free?
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Yes — basic 3GP → WebM conversion is free with no registration. Premium adds higher per-file size limits, more parallel batch workers, and removes ads.
How big a 3GP file can I convert to WebM?
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Free accounts: up to 100 MB per 3GP file. Premium: typically 1 GB per file, depending on the 3GP source type. Very large files are split into chunks server-side when the WebM format allows.
Will conversion change the content of my 3GP?
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Conversion preserves all information that both 3GP and WebM can represent. Format-specific features that the WebM format doesn't support (e.g. vector data in raster output, formulas in plain-text output) are rasterized or stripped — see the format-specific notes on the result page.
Can I convert many 3GP files to WebM at once?
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Yes — drop multiple 3GP files into the upload zone and they are queued in parallel. Premium has more parallel workers; on a 50-file batch this is the difference between minutes and seconds.
Does the 3GP to WebM converter work on phones and tablets?
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Yes — the UI is responsive and the conversion pipeline runs server-side, so mobile devices upload-then-download just like desktops. iOS and Android browser file pickers (camera roll, Files app) work end-to-end.
Which browsers does the 3GP to WebM converter support?
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Chrome, Firefox, Safari (15+), Edge, and Opera. The converter uses standard `<input type="file">` upload — no WebAssembly or PWA dependencies — so even older browsers work.
Are my 3GP files kept private?
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Yes — uploaded 3GP files are processed in isolated workers and deleted within minutes. We never view, retain, or share content. See /privacy/ for the data-retention window.
What if the WebM download doesn't start automatically?
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Disable any pop-up blocker, then click the download button manually. The result link stays active for 24 hours, so if your network fails mid-download, you can re-trigger from the result page without re-uploading the 3GP.
