How to Convert Y4M to MP4 — Quick & Free
Fast, instant Y4M (YUV4MPEG2) to MP4 conversion. No signup required. Just drop your .y4m file and get .mp4 in seconds.
Batch Settings
Vous travaillez avec des fichiers vidéo et la nécessité de convertir vos séquences Y4M en MP4 se fait sentir ? Que ce soit pour des projets d'archivage, de diffusion ou de post-production, la conversion vers un format plus universel est souvent une étape indispensable. Le format Y4M, fréquemment utilisé dans le domaine du traitement vidéo non compressé, offre une grande fidélité, mais sa taille et sa compatibilité limitée peuvent poser problème lors du partage ou de l'intégration dans des flux de travail standards. Le MP4, quant à lui, est plébiscité pour son excellent équilibre entre qualité visuelle et taille de fichier réduite, le rendant idéal pour une multitude d'applications. Notre outil vous accompagne dans cette transition, garantissant une conversion fluide et efficace, tout en préservant l'intégrité de vos données vidéo. Simplifiez votre gestion de fichiers et optimisez vos processus créatifs dès aujourd'hui.
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Pour les professionnels en France, en Belgique, en Suisse et au Québec, l'optimisation des flux de travail est primordiale. La conversion Y4M vers MP4 est particulièrement pertinente pour intégrer des captures de haute qualité dans des environnements de diffusion ou de présentation où la bande passante et la compatibilité sont des facteurs clés.
About Y4M (YUV4MPEG2) to MP4 Conversion
Short answer: yes, you can convert Y4M to MP4 online for free, and quality is well preserved with the right settings. Just upload your .y4m file to CocoConvert, pick MP4 as the output, and click Convert. The whole process takes seconds.
Now for the details. Y4M is a widely used file format. MP4 (MPEG-4 Part 14) is the universal video container supporting H.264/H.265 codecs — plays on virtually every device. Converting between these two formats lets you convert between formats quickly.
Your Y4M file is decoded and re-encoded as MP4. Converting Y4M to MP4 maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert Y4M (YUV4MPEG2) to MP4
- 1
1. Upload Y4M
Drop your .y4m file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select MP4
Choose .mp4 from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .mp4 file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert Y4M (YUV4MPEG2) to MP4
Your Y4M file is decoded and re-encoded as MP4.
Your Y4M file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in MP4 format
The converted file is ready for download
Format Comparison
Y4M (YUV4MPEG2)
.y4m file
| Extension | .y4m |
| MIME Type | video/x-raw-yuv |
| Category | Video |
MP4
.mp4 file
| Extension | .mp4 |
| MIME Type | video/mp4 |
| Category | Video |
Should You Convert Y4M (YUV4MPEG2) to MP4?
When to Convert
- ✓When you need a MP4 file
Frequently Asked Questions
Is Y4M to MP4 conversion free?
Yes. CocoConvert offers free Y4M to MP4 conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is Y4M to MP4 conversion?
Most files convert in 2–10 seconds depending on size. Large video files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded Y4M file and the converted MP4 file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting Y4M to MP4 lose quality?
Converting Y4M to MP4 maintains high quality with CocoConvert's optimised encoder settings.
Can I convert MP4 back to Y4M?
Yes, CocoConvert supports MP4 to Y4M conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
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