MP4 to FLI - Online Video Converter

Convert MP4 to FLI online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert MP4 to FLI

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

Output format

FLI (H.264 / AAC)

No transcoding (remux only)[i]

Mode[i]

Simple Advanced

Quality[i]

Resolution[i]

About MP4 to FLI

Convert MP4 to FLI. MP4 pairs H.264 video with AAC audio in the ISO base media container. FLI is Autodesk's 320x200 Animator flipbook format from 1989. Tiny palettes remap on export; expect shifted colors..

Why convert MP4 to FLI?

Larger files than lossy shares with FLI lossless quality.
Keep animation and transparency where supported.
Private, no upload - runs in your browser.

MP4 vs FLI

Animation	Yes	Yes
Transparency	No	No
Compression	lossy	lossless
Typical use	MP4 pairs H.264 video with AAC audio in the ISO base media container.	FLI is Autodesk's 320x200 Animator flipbook format from 1989.

When not to convert MP4 to FLI

Skip FLI for the smallest share: lossless output stays large, so prefer a lossy target when sending MP4 files.
Keep a master copy: repeated exports stack small losses, so archive MP4 before batch FLI shares.

Limits

Starting point: MP4 - H.264 video with AAC audio in one file. H.264 has no alpha channel, so transparency is dropped. Tiny palettes remap on export; expect shifted colors. Encode FLI (H.264 / AAC) from MP4 at a bitrate near the source, and confirm the audio track before converting.

How conversion works

Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.

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FAQ

How do I convert MP4 to FLI?

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

What codec is used for FLI?

The default codec for FLI is H.264 / AAC. 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.