Everyday tools, right in your browser.
Little tools thatget things done.
Resize photos, compress PDFs, check exam sizes, work out tax and more. Free, private, and all in your browser.
- 0
- Files sent to us
- 195
- Free tools
- 100%
- In your browser
- 0
- Sign-ups needed
Everything you need, in one place.
What do you need to get done?
How it works
Three steps. About five seconds.
- 1
Drop your file
Drag it anywhere on the page, paste it, or tap to choose. Nothing leaves your device.
- 2
Pick what you need
Choose a size, a format or an action. Smart defaults mean most files need one tap.
- 3
Download the result
Your fixed file is ready in seconds. No watermark, no email, no account.
Pick up where you left off
Private by design
Your files never leave your device.
Nothing is uploaded
Processing happens in your browser, on your own device.
Nothing is stored
We never receive, keep or look at your files.
Nothing to wait for
No upload queue, so results are ready in seconds.
Quick answers.
Is CometBits really free?
Yes. Every tool is free to use, with no signup, no watermark and no daily limit.
Are my files uploaded anywhere?
No. Your files are processed inside your own browser and never leave your device. We never receive or store them.
Do I need an account?
No. Open a tool, add your file and download the result. There is nothing to sign up for.
Which files can I use?
Images (JPG, PNG, WebP, HEIC, SVG), PDFs, Word, Excel and PowerPoint files, audio, video, ZIPs and plain text, plus calculators and form helpers.
Will my photo land exactly on the KB I choose?
It lands just under your limit, as close as possible, so the picture keeps the best quality that still fits.