ASF converter
Convert ASF files to 33 other formats, or turn 21 other formats into ASF. Everything runs in your browser — drop a file in and pick where it should end up.
Drop your ASF files here
or browse your device · paste with Ctrl+V
Accepts .asf. Choose any output format from the menu on each row.
Your files never leave this device — there is no upload and no server to delete them from.
ASF
Advanced Systems FormatThe Microsoft container that WMV video and WMA audio sit inside. You will normally meet it in old Windows Media streams and recordings.
- Developed by
- Microsoft
- Released
- 1996
- Extension
- .asf
- MIME type
- video/x-ms-asf
- Compression
- Lossy
- Readable directly in your browser.
- Can be written directly in your browser.
- 33 outgoing and 21 incoming conversions available.
- 01
Add ASF files
Drop them on the box above. Batches are fine — each file gets its own row and its own settings.
- 02
Pick an output format
The menu on each row lists every format this file can become, grouped by category and searchable.
- 03
Convert and save
Everything happens locally. Download the files individually, or grab the whole batch as a ZIP.