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Convert fits to webp

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Nothing is uploaded

The converter runs inside this page. Cut your network after it loads and it still works.

No account, no daily limit

No sign-up, no daily limit, no watermark, no queue behind other people's files. Batch as many FITS files as you like.

Real WEBP output

Encoded by magick, the same library the command-line tools use — not a renamed extension.

About FITS

Flexible Image Transport System

The standard data format in astronomy since 1981, storing images and tables behind plain-text headers that record telescope and observation details. Convert from FITS to get a viewable PNG or JPG of telescope data; convert to it for astronomy software.

About WEBP

WebP

Google's image format, released in 2010, with a lossy mode based on the VP8 video codec, a lossless mode, alpha transparency and animation. A lossy WebP is usually smaller than a JPG of similar quality. Use it for images on websites, where every current browser supports it and smaller files load faster.