What image formats can I convert to?

You can convert to JPEG, PNG, WebP, GIF, BMP, TIFF, PNM, and AVIF.

Can I convert multiple images at once?

Yes. You can select multiple files and they will be converted and downloaded in batch.

What input formats are supported?

JPEG, PNG, WebP, GIF, BMP, TIFF, TGA, ICO, PNM, HDR, EXR, AVIF, HEIC, HEIF, SVG, PSD, CR2, NEF, and DNG.

MP4 to FLV — Free Online Video Converter

Q: How do you store my files?

We do not store any processed images.

Q: Is this tool free to use?

Yes, this converter is completely free.

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| convert [video.mp4] —> [output.flv]

[+] Convert MP4 to FLV

[+] Drop MP4 video here or click to select MP4

Output format

FLV (Sorenson Spark / MP3)

No transcoding (remux only)[i]

Mode[i]

Simple Advanced

Quality[i]

Resolution[i]

[+] Donate

[?] FAQ

How do I convert MP4 to FLV?

Drop your MP4 file onto this page, choose quality and codec settings, then click Convert. The result downloads as FLV instantly. All processing runs in your browser.

Is MP4 to FLV conversion free?

Yes, this converter is completely free with no limits on file size or number of conversions.

What codec is used for FLV?

The default codec for FLV is Sorenson Spark / MP3. You can change the video and audio codec in Advanced mode.

How do you store my files?

We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.

Photo Converter