How do I convert MOV to ASF?

Drop your MOV file onto the converter above, make sure ASF is selected, and click Convert. When it's done, download the ASF file — it usually takes a few seconds.

Is it safe to convert MOV to ASF here?

Yes. MOV to ASF conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server.

Is the MOV to ASF converter free?

Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250.

Will converting MOV to ASF reduce quality?

No — ASF preserves the content of your MOV file as faithfully as the format allows.

Can I convert multiple MOV files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

Can I convert ASF back to MOV?

Yes — use our ASF to MOV converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.

ASF→MOV MOV→MP4 MP4→ASF MOV→MP3 MOV→WebP GIF→ASF MOV→GIF WebM→ASF MOV→WAV MKV→ASF MOV→WebM AVI→ASF MOV→MKV MOV→M4A MOV→AVI MOV→FLAC MOV→AAC MOV→OGG MOV→WMV MOV→Opus MOV→M4V MOV→FLV MOV→MPEG MOV→3GP MOV→WMA MOV→TS MOV→MPG MOV→AIFF MOV→AMR MOV→VOB WMV→ASF FLV→ASF M4V→ASF MPEG→ASF 3GP→ASF MPG→ASF TS→ASF MTS→ASF VOB→ASF M2TS→ASF APNG→ASF OGV→ASF MXF→ASF DivX→ASF 3G2→ASF RM→ASF RMVB→ASF F4V→ASF PNG→JPG JPG→PNG PNG→WebP JPG→WebP WebP→PNG WebP→JPG HEIC→PNG HEIC→JPG MP4→MP3 PNG→JPEG JPG→JPEG JPEG→PNG JPEG→JPG PNG→PDF JPG→PDF PDF→PNG PDF→JPG HEIC→WebP MP4→WebP PDF→DOCX DOCX→PDF JPEG→WebP WebP→JPEG PNG→GIF JPG→GIF GIF→PNG GIF→JPG MP4→MOV WebP→PDF HEIC→JPEG WebP→GIF GIF→WebP HEIC→PDF MP3→WAV WAV→MP3 JPEG→PDF PDF→JPEG SVG→PNG SVG→JPG HEIC→GIF MP4→GIF GIF→MP4 JPEG→GIF GIF→JPEG PNG→AVIF JPG→AVIF AVIF→PNG AVIF→JPG MP3→M4A M4A→MP3 GIF→PDF SVG→PDF PNG→SVG JPG→SVG PDF→SVG SVG→WebP MP4→WAV MP4→WebM WebM→MP4 WebP→AVIF AVIF→WebP WebP→SVG SVG→JPEG MP4→MKV MKV→MP4 HEIC→AVIF MP4→M4A JPEG→AVIF AVIF→JPEG JPEG→SVG GIF→MOV WebM→MP3 AVIF→PDF MP3→FLAC FLAC→MP3 MP4→AVI AVI→MP4 MKV→MP3 GIF→AVIF AVIF→GIF SVG→GIF GIF→SVG WebM→WebP XLSX→PDF CSV→PDF EPUB→PDF PDF→EPUB WebM→MOV MKV→WebP PNG→ICO JPG→ICO ICO→PNG ICO→JPG MP3→AAC WAV→M4A AAC→MP3 M4A→WAV MP4→FLAC AVI→MP3 MKV→MOV DOCX→EPUB EPUB→DOCX CSV→DOCX PDF→TXT DOC→PDF TXT→PDF WebP→ICO ICO→WebP PPTX→PDF AVI→WebP WebM→GIF GIF→WebM

MOVASF

Convert MOV to ASF

Free and private: MOV files are converted in your browser on computers; on phones, in our fast cloud and deleted automatically.

In your browser (fast cloud on phones)
No watermark
Batch & ZIP download

Need a smaller MOV? Compress MOV

How to convert MOV to ASF

1
Add your MOV files
Drag and drop MOV files onto the converter, paste them, or click to browse. You can add several at once.
2
Choose ASF
ASF is already selected. Open Options if you want to change quality, size or metadata.
3
Convert
Click Convert. Your files are converted right in your browser in seconds.
4
Download your ASF
Download each ASF file, or everything at once as a ZIP.

MOV vs ASF

From

MOV · QuickTime Movie

MOV is Apple's QuickTime container and the default format for iPhone and Mac screen recordings. It's great for editing but less universal than MP4.

Type: Video
Extension: .mov .qt
MIME: video/quicktime
Best for: iPhone videos, screen recordings and editing workflows

Lossy compression

All MOV conversions →

ASF · Advanced Systems Format

ASF is Microsoft's streaming container behind WMV and WMA files.

Type: Video
Extension: .asf
MIME: video/x-ms-asf
Best for: legacy Windows Media streams

Legacy format

All ASF conversions →

Need it the other way around? Convert ASF to MOV.

MOV to ASF: frequently asked questions

Free, private and in your browser