VOB
→
ASF

Convert VOB to ASF Online

Convert VOB to ASF online. Start with free daily conversions, no install, no watermarks, and visible job status.

VOB to ASF Converter

Upload your VOB file to convert it to ASF format

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How to Convert VOB to ASF

Follow these simple steps

1

Step 1: Upload Your File

Upload your VOB file by dragging and dropping or clicking to browse

2

Step 2: Select Output Format

ASF is automatically selected as the output format

3

Step 3: Start Conversion

Click the Convert button to start the conversion

4

Step 4: Download Result

Download your converted ASF file when ready

Convert VOB to ASF - Complete Guide

Converting VOB to ASF stays in the video file family but changes the traits that decide size, quality, transparency, editability, or device support. VOB is a video format. DVD video. ASF is a video format. Advanced Systems Format. Below is what actually changes in a VOB→ASF conversion, what is preserved, and when ASF is the better choice than keeping VOB.

What changes when you convert VOB to ASF

  • Both VOB and ASF are lossy, so the file is re-compressed during conversion. Keep the output quality or bitrate at or above the source to avoid a visible or audible drop.
  • The video is re-encoded into the ASF format. Because re-encoding is not free, start from the highest-quality source you have and keep quality settings high.
  • Expect a smaller output file: ASF is typically more space-efficient than VOB for the same content.

About the VOB format

VOB (Video Object) is the container format used on DVDs. Our converter extracts and transforms DVD video content to modern formats.

  • Full name: DVD Video Object
  • Developer: DVD Forum
  • Compression: MPEG-2 (Video), AC3/PCM (Audio)
  • Opens with: VLC, HandBrake, FFmpeg

Where VOB is strong: the DVD-Video container for movie discs; stores MPEG-2 video, audio, subtitles, and menus together.

Typical VOB uses: DVD-Video discs, ripping and archiving DVD content.

About the ASF format

ASF is a video format. Advanced Systems Format.

  • Compression: lossy
  • Opens with: Windows Media Player, VLC, FFmpeg

Where ASF is strong: Microsoft container for WMV video and WMA audio; supports streaming and digital rights management.

Typical ASF uses: legacy Windows Media streaming, older Windows video archives.

What ASF keeps

  • ASF adds: Microsoft container for WMV video and WMA audio.

Things to watch out for

  • One ASF limitation to keep in mind: poor support outside the Windows ecosystem.

When to convert VOB to ASF

  • Convert VOB to ASF for legacy Windows Media streaming.
  • Convert VOB to ASF for older Windows video archives.
  • Pick ASF when you need supports streaming and digital rights management.

VOB vs ASF — format comparison

A quick side-by-side of the structural differences between VOB and ASF, so you can confirm this is the right conversion for your file:

AttributeVOBASF
TypeVideo fileVideo file
CompressionLossyLossy
Web-friendlyNoNo
Typical file sizeLargeMedium
Best forDVD-Video discslegacy Windows Media streaming

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Other VOB Conversions

More formats you can convert VOB to

Convert VOB to MP4Convert VOB to WEBMConvert VOB to MOVConvert VOB to AVIConvert VOB to MKVConvert VOB to MP3Convert VOB to FLVConvert VOB to WMVConvert VOB to 3GPConvert VOB to MPEGConvert VOB to MPGConvert VOB to TSConvert VOB to OGVConvert VOB to 3G2Convert VOB to M4VConvert VOB to AACConvert VOB to WAVConvert VOB to OGGConvert VOB to FLACConvert VOB to M4AConvert VOB to WMAConvert VOB to AIFFConvert VOB to OPUS
View all VOB conversions →

Convert to ASF

Other formats you can convert to ASF

Convert MP4 to ASFConvert MOV to ASFConvert WEBM to ASFConvert AVI to ASFConvert MKV to ASFConvert M4V to ASFConvert FLV to ASFConvert WMV to ASFConvert 3GP to ASFConvert 3G2 to ASFConvert MPEG to ASFConvert MPG to ASFConvert TS to ASFConvert MTS to ASFConvert M2TS to ASFConvert OGV to ASF
View all ASF conversions →

VOB to ASF FAQ

Because both formats are lossy, the file is compressed again. Keep the output quality or bitrate at or above the VOB source and the difference will be minimal.
Upload your VOB file, confirm ASF as the output format, and click Convert. Job status is shown while the file is processed, then you can download the ASF result.
Yes. You can start with free daily conversions, with no signup required for your first jobs and no watermarks on the output. Accounts and paid plans are available for higher-volume work.
No. The VOB to ASF conversion runs in your browser on any device — Windows, Mac, Linux, iOS, or Android — with uploads and downloads over HTTPS.
VOB is the video container format used on DVDs. It contains video, audio, subtitles, and navigation data.
Convert the VOB files from your DVD to MP4 format using our converter.
Subtitles can be extracted or burned into the video during conversion.
Yes, you can combine VOB files into a single video during conversion.
Processing time depends on file size, format, and queue load. The page shows job status while conversion runs.
Yes. You can add multiple VOB files to a batch and process them together within the current file-size and credit limits.

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