About 100Tools
100Tools is a collection of 78+ free online utilities built to help developers, designers, and marketers get repetitive tasks done quickly — without installing anything, signing up, or handing over data.
Our mission
Small utilities should be fast, free, and trustworthy. We build each tool to work in the browser whenever possible so your data never has to leave your device.
What you get
- JSON formatting, converters, and validators
- Image compression, conversion, cropping, and background removal
- SEO utilities: meta tag generator, social card previews, sitemap extractor
- Developer helpers: UUID, Base64, password generator, text diff, QR codes
- Receipt and invoice generators with PDF export
- AI-powered writing helpers for email subject lines, bodies, and posts
Privacy first
Most tools process your data right in the browser. We don’t store what you paste, convert, or generate. Read more in our Privacy Policy.
Contact
Questions, feedback, or a tool request? Visit our Contact page.