ASF to GIF converter
Convert ASF to GIF in seconds, free and unlimited. No upload, no sign-up, no watermark: your video never leaves your device.
Last updated
Quick answer: To convert ASF to GIF, add the ASF file to the iHateFiles ASF to GIF converter and press Convert. The conversion runs in your browser, so the file is never uploaded, and it is free with no sign-up, watermark or size limit. ASF is a format most software has stopped opening. GIF is not.
Should you convert ASF to GIF?
Do this for a short loop that has to play where video does not, such as email or a chat client. For anything longer than a few seconds, a video file is smaller and looks better than the GIF.
GIF drops the sound and most of the colour
An ASF holds Windows Media video and audio. A GIF holds at most 256 colours per frame and no sound at all, so the palette is rebuilt from your footage and the audio is discarded. Keep it short: a GIF is often ten times the size of the ASF it came from.
ASF and GIF side by side
| ASF | GIF | |
|---|---|---|
| Inside the file | Windows Media video and audio | 256-colour frames with no sound |
| Compression | Lossy | Lossless |
| Carries sound | Yes | No |
| Plays on | Needs converting first | everywhere an image plays: browsers, chat apps, email and documents |
| Here | Read only | Read and write |
What usually goes wrong
About the ASF. ASF, WMV and WMA all share the same file signature, so identifying which one you have means looking at the streams inside rather than the first few bytes.
About the GIF. Halving the width of a GIF cuts the file size by roughly three quarters. Dropping the frame rate helps almost as much. Trimming the length helps least.
How to convert ASF to GIF
- Add your ASF file. It is read from your disk and stays there.
- Check the settings. The output format is already set to GIF.
- Press convert and the GIF file is saved back to your device.
GIF converter: everything that converts to GIF
Questions
How do I convert ASF to GIF?
Open this page, add your ASF file, and press convert. The file is decoded and re-encoded by your own browser and saved back to your device. Nothing is uploaded.
Is this ASF to GIF converter free?
Yes, completely. There is no account, no sign-in, no watermark and no daily limit, because there is no server doing the work. Your own device does it.
Are my files uploaded anywhere?
No. There is no upload endpoint. The conversion runs inside this browser tab, so your file never leaves your device. You can open your browser's network panel and watch: nothing carrying your file is sent.
Is there a file size limit?
No fixed limit. Because the work happens on your machine there is no server quota. The only ceiling is your own device's memory, which for video means very large files may be slow.
Will converting to GIF lose quality?
GIF is lossless, so this step throws nothing away. If the original was already a lossy format, the damage it did cannot be undone, but nothing further is lost.
Can I convert several ASF files at once?
Yes. Add as many as you like and they are converted one after another, then offered as a single ZIP.