Convert FLV → MP4 Online — Free
Convert Flash Video FLV to MP4.
Drag & drop or click to browse
Accepts .flv files up to 500 MB
Free plan includes 3 conversions/day. Need more? Talk to us →
What is a .flv file?
FLV is a widely-used format in the Video category. Convert Flash Video FLV to MP4. Files in this format are commonly used across various tools, pipelines, and workflows.
What is a .mp4 file?
MP4 is a popular format in the Video ecosystem. Converting from FLV to MP4 gives you access to its unique features, broader tooling support, and improved interoperability.
How to convert FLV → MP4 online
Upload your file
Drag & drop your .FLV file onto the upload zone, or click "Browse" to select it.
Validate & preview
The tool checks the file type and size before uploading. Invalid files are rejected immediately with a clear error.
Convert on the server
Click "Convert" to upload and process your file. Server-side conversion typically takes ~120 seconds.
Download your result
When done, click "Download .MP4" to save your converted file. Files are securely deleted after 1 hour.
Frequently asked questions
Is this FLV to MP4 converter free?
Yes. The FLV → MP4 tool is free for up to 3 conversions per day. Pro (30/day) and Business (unlimited) plans unlock higher limits.
Is my file secure on the server?
Your file is uploaded over an encrypted HTTPS connection to a secure server worker. The converted file is stored temporarily and automatically deleted after 1 hour. We never share or store your files longer than necessary.
What is the maximum file size for FLV?
You can convert files up to 500 MB. If your file is larger, consider compressing it first or upgrading to a Business plan for increased limits.
What is the difference between FLV and MP4?
FLV and MP4 are both formats in the Video category, each with different use cases, tooling support, and feature sets. Convert Flash Video FLV to MP4.
Can I convert multiple files at once?
Batch conversion is available on Pro and Business plans. Free users convert one file at a time.