Web Tools
中文
EN
Light
Dark
Browser tools. Nothing uploaded.
Color, JSON, passwords, QR, regex, image compress, calculators, and a whiteboard — all static pages.
🎨
Color Tools
Picker, palette, gradient, contrast, extract.
{}
JSON Tools
Format, validate, minify, convert, diff, JSONPath.
🔒
Password Tools
Local random passwords. Nothing leaves the browser.
▦
QR Tools
Text, URL, WiFi, vCard, email.
.*
Regex Tools
Tester plus common templates.
🖼
Image Compress
Compress and resize in the browser.
∑
CalcTools
BMI, loan, percentage, age, units.
✎
Excalidraw Hub
Whiteboard and diagrams. No account.