1. Home
  2. Video Converter
  3. Convert VP9 to Y4M

What is VP9?

VP9 is Google's next-generation open-source video codec delivering 50% better compression than VP8 for 4K streaming.

What is Y4M?

Y4M (video/x-raw-yuv) uses lossless compression optimized for lossless video processing, codec testing, video production intermediates. YUV4MPEG2, uncompressed YCbCr 4:2:0 video stream for encoding pipelines

When Should You Use VP9 vs Y4M?

Use VP9 When...

Reach for VP9 when your priority is youtube 4k, web video, chrome streaming — its efficient compression makes sharing fast and storage minimal.

Use Y4M When...

Reach for Y4M when your priority is lossless video processing, codec testing, video production intermediates — its uncompromising quality ensures every detail is preserved.

VP9 vs Y4M: Key Differences

  • •VP9 uses lossy compression while Y4M uses lossless compression — this is the fundamental technical difference between the two formats.
  • •Converting from VP9 to Y4M changes compression type: lossless source becomes larger but with full quality preservation.
  • •How transparency is handled: Y4M supports transparency, so alpha information is preserved during conversion.
  • •Y4M files tend to be differently sized than VP9
  • •Primary audience: VP9 is built for youtube 4k, web video, chrome streaming scenarios, while Y4M focuses on lossless video processing, codec testing, video production intermediates — pick the format that matches your output requirement.

Advantages of VP9

  • ✓The lossy nature of VP9 means file sizes stay reasonable while handling YouTube 4K, web video, Chrome streaming efficiently.
  • ✓From mobile devices to enterprise servers, VP9 is recognized and supported everywhere.
  • ✓Storage and bandwidth costs drop significantly when using VP9 thanks to its efficient compression.
  • ✓VP9 is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Advantages of Y4M

  • ✓At its core, Y4M relies on lossless encoding — a design choice that makes it perfect for Lossless video processing, codec testing, video production intermediates.
  • ✓You won't run into compatibility issues with Y4M — it's a universal standard across platforms.
  • ✓File size management with Y4M: larger files guaranteed to match the original exactly.
  • ✓Every major application in the Lossless video processing, codec testing, video production intermediates space supports Y4M natively.

Common Use Cases for VP9 to Y4M Conversion

  • Video resumes
  • Conference presentations
  • Training tutorials
  • Customer testimonial videos
  • Streaming and online sharing
  • Professional video editing

Industry Applications

Sports AnalyticsVirtual RealitySecurity SystemsAdvertisingContent CreationFilm Production

Best Practices for VP9 to Y4M Conversion

  • →For VP9 to Y4M: encode at the target platform's native resolution — upscaling or downscaling adds unnecessary artifacts
  • →Test a short clip before converting the entire VP9 file — this confirms Y4M settings produce acceptable quality
  • →Y4M is widely supported but choose bitrate carefully to balance quality and file size
  • →Use constant bitrate (CBR) for streaming delivery and variable bitrate (VBR) for archival storage
  • →Keep the original file in case you need to re-encode with different settings
  • →Check audio sync after conversion — container changes can sometimes cause drift

Related Article

Video Compression Guide: Reduce File Size Without Losing Quality

Learn more about VP9 and Y4M formats in our detailed guide.

Troubleshooting VP9 to Y4M Conversion

  • !Y4M won't play on target device → check codec compatibility (H.264 has broadest support)
  • !Audio out of sync after VP9 to Y4M conversion → try re-muxing with a different container format
  • !Y4M quality is too low → increase the bitrate; for 1080p video, 8-15 Mbps is recommended
  • !File size increased converting VP9 to Y4M → lossless or higher-bitrate outputs naturally produce larger files

Related Video Converters

All Video Formats

View all Video converters →

More Video tools

Convert to Y4M →Convert from VP9 →

Convert VP9 to Y4M Online - Free & Fast

Convert VP9 files to Y4M online for free. High-quality conversion with no registration required.

Video Converter

Upload or enter a URL to convert VP9 to Y4M instantly

Click to upload or drag & drop VP9 file

or paste from clipboard

.vp9,.VP9 (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About VP9 and Y4M

VP9

VP9 (VP9 video) - VP9, next-gen open-source video codec for 4K web video. Best for youtube 4k, web video, chrome streaming.

Y4M

Y4M (Y4M) - YUV4MPEG2, uncompressed YCbCr 4:2:0 video stream for encoding pipelines. Ideal for lossless video processing, codec testing, video production intermediates.

Format Comparison

CompressionLossy → Lossless
TransparencySupported
Use CaseConvert from youtube 4k, web video, chrome streaming to lossless video processing, codec testing, video production intermediates
File Size~Standard file sizes after conversion

FAQs

Is converting VP9 to Y4M free?

Yes, GoConvertFile offers free conversion of VP9 to Y4M for files up to 100MB. No registration required.

How long does it take to convert VP9 to Y4M?

Most VP9 to Y4M conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is Y4M best used for?

Y4M is ideal for lossless video processing, codec testing, video production intermediates. YUV4MPEG2, uncompressed YCbCr 4:2:0 video stream for encoding pipelines

Does converting VP9 to Y4M lose quality?

No, converting VP9 to Y4M does not cause additional quality loss — Y4M uses lossless compression. However, any artifacts already present in the original VP9 file will persist in the Y4M output.

What file size should I expect after converting VP9 to Y4M?

Y4M files are typically 2-5x larger than equivalent VP9 files because Y4M preserves all pixel data. This is expected and necessary for lossless quality.

Related Tools

MP4 to VP9
Convert MP4 to VP9
MP4 to Y4M
Convert MP4 to Y4M
MKV to VP9
Convert MKV to VP9
MKV to Y4M
Convert MKV to Y4M
View all video converter converters
Tune output for this video conversion
80%
Smaller fileBetter quality