Right here on your device
Local tools process their inputs in your browser. File contents, filenames, image metadata, and calculator values aren’t uploaded by Celestia Tools.
Small tools. A little more possibility.
Everyday tasks,
a little lighter.
A quiet corner of the internet for getting things done.
Thoughtful tools, right here in your browser.
No ads. No account. Just useful.
Your everyday toolkit
Good things start small.
Everyday utilities beta
File Transfer Calculator
Work out transfer time, file size, or the speed you need. Clear units, fewer surprises.
Open toolEveryday utilities beta
QR Code Toolkit
Create text, link, and Wi-Fi QR codes locally, export PNG or SVG, and decode QR images across modern browsers.
Open toolImage essentials beta
Image & EXIF Inspector
Inspect image format, dimensions, camera settings, EXIF, GPS, colour profile, and other embedded metadata — locally.
Open toolImage essentials beta
Image Converter
Batch-convert JPEG, PNG, and WebP locally with explicit quality, transparency, metadata, and size behaviour.
Open toolOn the horizon
Image conversion, metadata cleanup, resizing, and more. One thoughtful tool at a time.
In the worksMade with a little care
Useful by nature.
Private by design.
Less friction, more peace of mind.
That’s the Celestia way.
Just the tool you came for
No advertising, sign-ups, or artificial waiting. A focused space to do what you need and carry on.
The site downloads its own pages, fonts, and code, so our hosting provider still receives ordinary web requests. Local tool inputs stay on your device.