Diagnostic Tools
10 dedicated, strictly client-side utilities for inspecting, formatting, and analyzing text and document structures.
Deep Word Counter
Accurate counting engine that ignores HTML tags and formatting.
JSON Formatter
Strict validation and pretty-printing for massive API payloads.
Base64 Decoder
Convert base64 strings back to text instantly.
URL Encoder/Decoder
Safely encode or decode URI components.
Markdown Preview
Live compile GFM (GitHub Flavored Markdown) to HTML.
Case Converter
Change text to UPPER, lower, camelCase, snake_case easily.
Regex Tester
Test regular expressions safely within browser sandbox.
UUID Generator
Generate v4 UUIDs locally using crypto standard.
Hash Generator
Calculate SHA-256 and SHA-1 in browser context.
Text Diff Checker
Compare two text blocks for changes character by character.