Convert PNG-24 to FITS Online
Convert PNG24 images to FITS format free, fast, and privately in your browser.
Drag & drop files here, or browse
Up to 20 images at once
How to convert PNG-24 to FITS
Upload your files
Drag & drop or browse up to 20 PNG-24 files at once.
Browser converts locally
Files convert to FITS in your browser - nothing is uploaded anywhere.
Download results
Save files individually or download everything as a ZIP bundle.
Why use this converter
100% Private - Nothing Uploaded
Your PNG24 files never leave your device. All conversion happens locally inside your browser using WebAssembly. Zero server contact.
Batch + ZIP Download
Convert up to 20 PNG24 files to FITS at once and download them all as a single ZIP archive in one click.
High Quality Output
Powered by ImageMagick WASM for accurate PNG24 to FITS conversion every time.
Instant Conversion
Your PNG24 files convert to FITS in seconds using WebAssembly - no waiting, no queues.
Frequently asked questions
Upload your PNG24 files by dragging them into the drop zone or clicking Browse. Select up to 20 files at once, then click Convert. Your files are processed locally in your browser and ready to download in seconds - no account or internet connection needed after the page loads.