Fast, free, private browser tools
Format, convert, generate, and inspect anything — all running entirely in your browser. No data leaves your device. Built for speed and engineered for privacy.
Browse by category
110 tools across 10 categories.
Developer
JSON, XML, YAML, SQL formatters, hash generators, UUID generators
Text
Word counter, case converter, duplicate line remover, lorem ipsum
Converters
Base64, URL encode/decode, timestamp, YAML to JSON
Generators
UUID, password, QR code, lorem ipsum generators
Color
Color picker, HEX/RGB/HSL converters
Image
Image compression, format conversion, resizing
Merge, split, compress PDFs
Math
Unit converters, calculators
Date & Time
Timestamp converter, date calculators, timezone converters
Web
Meta tag generators, favicon generators, robots.txt generators
Popular tools
The most-used helpers on Toolkit.
JSON Formatter & Validator
Format and validate JSON instantly.
UUID Generator
Generate UUIDs in bulk.
Base64 Encoder & Decoder
Encode and decode text to/from Base64.
Password Generator
Generate secure random passwords.
Word Counter
Count words, characters, and more.
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes.
Timestamp Converter
Convert Unix timestamps to dates.
Color Picker & Converter
Pick and convert colors between formats.
Why Toolkit?
Practical tools, privacy first, no strings attached.
Privacy First
All processing happens locally in your browser. Nothing is uploaded, tracked, or stored on any server.
Zero Setup
No accounts, no installs, no extensions. Open a tool and use it instantly from any modern browser.
Modern & Fast
Built for speed with optimized bundles, fuzzy search, keyboard shortcuts, and a polished UI.
Ready to start?
Pick a tool above or browse the full catalog. There is nothing to install — just click and go.