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Celestia Tools
Useful tools,
right in your browser.
Images, QR codes, file-transfer estimates, and other everyday utilities.
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Available tools
Everyday utilities beta
File Transfer Calculator
Calculate transfer time, file size, or required speed.
Open toolEveryday utilities beta
QR Code Toolkit
Generate QR codes or decode QR images in your browser.
Open toolImage essentials beta
Image & EXIF Inspector
Inspect format, dimensions, EXIF, GPS, colour profiles, and other embedded image metadata.
Open toolImage essentials beta
Image Converter
Convert image batches to JPEG, PNG, WebP, or JPEG XL with quality and transparency controls.
Open toolImage essentials beta
Resize, Crop & Export
Crop, resize, and export images as JPEG, PNG, or WebP.
Open toolImage essentials beta
Photo Frame
Add a clean photographic border with camera, lens, and exposure details from EXIF.
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About Celestia Tools
No ads or sign-in
Use the tools without advertising, account walls, artificial delays, or upgrade prompts.