JSON to CSV Converter
Convert an array of JSON objects into a readable CSV table.
Browser-based utilities
Fast tools for text, code and data cleanup
Format JSON, decode Base64, generate hashes, count words, test regex, parse URLs and clean everyday text without opening a heavy app.
All tools
148 tools available
CSV to JSON Converter
Convert CSV rows into a JSON array using the first row as field names.
Query String Parser
Parse URL query strings into decoded key and value pairs.
URL Parser
Break a URL into protocol, host, path, query and hash sections.
Regex Escape Tool
Escape special characters so literal text can be used safely inside a regular expression.
Text Cleaner
Trim text, normalize spacing and remove repeated blank lines from pasted content.
Text Reverser
Reverse characters, words or line order for quick text experiments.
Random String Generator
Generate random strings for test data, identifiers and temporary tokens.
Random Number Generator
Generate random numbers within a range for tests, samples and quick decisions.
Number Base Converter
Convert numbers between decimal, binary, octal and hexadecimal.
File Size Converter
Convert bytes, KB, MB and GB into related file size units.
HTML to Markdown Converter
Convert simple HTML snippets into readable Markdown.
Built for direct work
Each tool has its own URL, direct controls, clear output, related tools and a short guide when extra context helps.
Local-first where it fits
Formatting, converting and counting tasks run in the browser. That keeps common workflows responsive and avoids unnecessary uploads for routine text operations.