FITS to APNG converter. Convert FITS files to APNG. No sign-up, no watermark, 100% private.
Three steps, a few seconds — no account needed.
Drag and drop or browse to add your FITS file.
The output format is set to APNG automatically.
Save your new APNG file instantly.
Turn your file into a share-worthy AI Effect — one tap, no prompts.
Common formats are processed right in your browser; advanced formats use our secure server and are deleted immediately — never stored.
No queue and no daily limits. Use it as much as you want, free forever.
Download clean files immediately — no account, no email, no watermark.
SharkFoto's free FITS to APNG converter changes your FITS files into APNG in a couple of clicks. Common formats are processed right in your browser; advanced formats use our secure servers and are deleted immediately after conversion — never stored.
APNG is an animated PNG format. Converting from FITS — your source format — makes your files easier to share, edit and open everywhere.
APNG uses efficient compression; you can keep quality high while getting a smaller, more compatible file.
APNG is an animated PNG that supports full color and transparency, unlike GIF. It’s great for crisp, smooth web animations.
APNG plays in modern browsers and recent image viewers.
Yes — it’s completely free with no sign-up, no watermark and no limit on how many files you convert.
Yes. Common formats are converted right in your browser; advanced formats use our secure server and are deleted immediately after conversion — never stored.
You can keep quality high; APNG balances quality and file size well.
Drop your FITS file in, the output is set to APNG, then click download — no software to install.
Yes — convert as many FITS files to APNG as you like, free and unlimited.
Fast, clean and totally free — fits to apng done in seconds, no waiting around.
Love that my files are never stored. No sign-up, no watermark, just the result.
Bookmarked. The best free fits to apng I’ve found — simple and reliable.