Convert MP4 to WEBM — Free
Upload your MP4 file and get a WEBM in seconds. No account, no watermark.
How to convert MP4 to WEBM
Convert your MP4 videos to WEBM format quickly and for free with BoltConverter. Our online tool makes it simple to change your video files without needing any software installation. Get your videos ready for web use in just a few clicks.
WEBM is ideal for web streaming due to its efficient compression and broad browser support. BoltConverter processes your files securely on our servers. All uploaded and converted files are automatically deleted shortly after conversion, ensuring your privacy.
Upload MP4 File
Click "Choose File" and select the MP4 video you want to convert.
Start Conversion
Press the "Convert" button to begin the MP4 to WEBM conversion process.
Wait for Processing
BoltConverter will process your video on our servers. This usually takes a moment.
Download WEBM File
Once complete, click the "Download" button to save your new WEBM video.
Frequently asked questions
Is BoltConverter free to use?
Yes, BoltConverter is completely free to use for all MP4 to WEBM conversions. There are no hidden costs or subscriptions.
How long are my files stored on your servers?
Your uploaded and converted files are automatically deleted from our servers shortly after conversion. We do not store your data.
Is there a file size limit for conversions?
Yes, the maximum file size for conversion on BoltConverter is 100 MB per file.
What about the output video quality?
BoltConverter aims to maintain high video quality during the conversion from MP4 to WEBM. We prioritize a good balance of quality and file size.
Can I convert multiple MP4 files at once?
Currently, BoltConverter supports converting one MP4 file to WEBM at a time. Please process each file individually.