JSON Formatter
Beautify, minify and validate JSON instantly.
Use Tool →All Tools
Pick a tool and get started instantly
Base64 Encoder
Encode and decode Base64 text online.
Use Tool →Timestamp Converter
Convert Unix timestamps to human-readable dates.
Use Tool →IP Lookup
Find location and details of any IP address.
Use Tool →Regex Tester
Test and debug regular expressions in real time.
Use Tool →Color Converter
Convert between HEX, RGB, and HSL color formats.
Use Tool →QR Code Generator
Create QR codes for URLs, text, and more.
Use Tool →Markdown Editor
Write and preview Markdown with live rendering.
Use Tool →Image Tools
Compress, convert, crop, resize and watermark images in your browser.
Use Tool →Why ToolsZi?
Built for developers who value their time and privacy
Free & No Signup
Every tool is completely free to use. No account, no email, no credit card — just open and go.
Privacy-First
All processing runs directly in your browser. Your data never touches our servers.
Fast & Lightweight
No heavy frameworks, no unnecessary bloat. Pages load instantly so you can focus on your work.