Convert FLV to MP4 — Free
Upload your FLV file and get a MP4 in seconds. No account, no watermark.
How to convert FLV to MP4
Convert your FLV videos to MP4 format quickly and easily with BoltConverter. MP4 files offer wider compatibility across devices and platforms, making your videos more accessible.
Our free online tool processes your files server-side, ensuring fast conversions. Your uploaded FLV files are deleted from our servers immediately after conversion, keeping your data private.
Select FLV File
Click the "Choose File" button and pick the FLV video from your device.
Start Conversion
Click the "Convert" button to begin the FLV to MP4 conversion process.
Wait for Processing
BoltConverter will process your file on our servers. This usually takes a few moments.
Download MP4
Once the conversion is finished, click "Download" to save your new MP4 video.
Frequently asked questions
Is BoltConverter free to use?
Yes, BoltConverter is a completely free online tool for converting FLV to MP4 files.
How long are my files stored on your servers?
Your FLV and converted MP4 files are deleted from our servers immediately after conversion. We do not store any user data.
Is there a file size limit for conversions?
Yes, the maximum file size for a single FLV video conversion is 100 MB.
Will the output MP4 video quality be good?
BoltConverter aims to maintain the original video quality during the conversion process. The output MP4 quality will be similar to your source FLV file.
Can I convert multiple FLV files at once?
BoltConverter processes one file at a time. You can convert multiple FLV files by repeating the steps for each video.