Just Tool It /
Palette Generator
On-device — nothing uploaded
Color Palette Generator
Pull the dominant colors out of an image. Useful for branding, mood boards, and CSS variables.
Drop an image here or browse
Why use Palette Generator in your browser?
Photos and screenshots can contain faces, documents, or EXIF location data. Palette Generator: Pull the dominant colors out of an image. Useful for branding, mood boards, and CSS variables. Server-side tools upload or log inputs. Just Tool It does not: it uses the HTML5 Canvas API and browser image codecs — pixels never leave this tab. Close the tab and the working data is gone. That is zero-server processing and on-device security.
How to use Palette Generator
- Open the tool on this page — no account or email required.
- Add your input by dropping a file, pasting text, or filling the form fields.
- Adjust options if available (quality, format, ranges, etc.).
- Run the tool and download (or copy) the result. Nothing was uploaded to Just Tool It.
Frequently asked questions
Is my data uploaded when I use Palette Generator?
No. Just Tool It is a static web app. Your input is processed with the HTML5 Canvas API and browser image
codecs — pixels never leave this tab. You can verify in the browser Network panel: no file payloads are
sent to our origin for processing.
Is this tool free? Do I need an account?
Yes, it is free. There is no sign-up, paywall, or trial. We do not create user accounts because we never
receive your files.
Does it work offline?
After the page and any required libraries are cached (including via the service worker / PWA), many tools
keep working without a network. Large optional engines such as FFmpeg.wasm or OCR models still need a
one-time download.
How is this different from other free online tools?
Most free tools upload files to a cloud worker. Just Tool It emphasizes zero-server processing and
on-device security: files stay in browser memory until you download the output and close the tab.