WebP to MP4
Convert static or animated WebP files to MP4 individually or in batches.
Convert one WebP or batch convert up to 500 WebP files to MP4.
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Tool guide
Free Online WebP to MP4 Converter
Convert static or animated WebP files to MP4 in your browser, individually or in batches of up to 500. The browser-side FFmpeg workflow turns WebP frames into a silent, broadly useful video file where the source and device are supported.
Steps
How it works
- Choose WebP files or drop a folder containing them.
- Review the static or animated status detected for each input.
- Run the conversion while FFmpeg processes files sequentially.
- Preview supported MP4 outputs and download them individually or through available ZIP groups.
Highlights
Key features
- Accepts static and animated WebP input.
- Processes up to 500 files, with an 80 MB limit per WebP file.
- Uses browser-side FFmpeg to create a real MP4 container.
- Adjusts odd source dimensions to codec-compatible even dimensions.
- Provides per-file progress, video preview, individual downloads, and ZIP options.
Use cases
Common uses
- Turn a WebP animation into a video for presentations or editing timelines.
- Prepare silent MP4 clips for platforms that do not accept animated WebP.
- Create a video-style copy of a static WebP where supported.
- Batch convert multiple WebP animations without a server upload step.
Notes
Limitations to know
- The MP4 contains no audio because WebP files do not include an audio track.
- Common MP4 pixel formats do not preserve WebP transparency reliably.
- Animation timing, dimensions, and visual quality can change during video encoding.
- Static WebP files may produce very short single-frame videos and may not work in every player.
- Codec availability, preview support, speed, and memory limits vary by browser and device.
FAQ
Frequently asked questions
Can this convert animated WebP to MP4?
Yes, when the included FFmpeg engine can decode the WebP animation. The resulting MP4 is a silent video.
Does the MP4 include sound?
No. WebP has no audio stream, and this converter does not generate or add audio.
Will transparent areas remain transparent?
No reliable transparency should be expected because the browser-compatible MP4 output uses an opaque video pixel format.
Can I batch convert WebP files to MP4?
Yes. Up to 500 supported files can be processed sequentially, subject to browser memory and processing limits.
Why might an MP4 not convert or play?
The WebP may use unsupported animation features, the browser may lack enough memory, or the generated codec may not be supported by that player.