All 12 tools

One job each, done properly, in your browser. Pick a tool — every one of them is free, needs no account, and processes your input locally.

JSON & Data

~/tool/json-formatter

JSON Formatter & Validator

Pretty-print, minify and validate JSON, with the exact error location when it breaks.

 ~/tool/json-to-csv

JSON to CSV Converter

Convert a JSON array of objects into a tidy CSV, header row and quoting included.

Encoding

~/tool/base64-encode-decode

Base64 Encode / Decode

Encode text to Base64 or decode it back, with full Unicode support.

 ~/tool/url-encode-decode

URL Encode / Decode

Percent-encode text for URLs, or decode percent-encoded strings back.

 ~/tool/hash-generator

Hash Generator (SHA)

Compute SHA-1, SHA-256 and SHA-512 digests of any text, instantly.

Text

~/tool/word-counter

Word Counter

Words, characters, sentences and reading time — counted live as you type.

 ~/tool/case-converter

Case Converter

Switch text between UPPERCASE, camelCase, snake_case and six more styles.

 ~/tool/diff-checker

Diff Checker

Compare two texts line by line and see precisely what changed.

 ~/tool/lorem-ipsum-generator

Lorem Ipsum Generator

Generate placeholder paragraphs, sentences or words for your layouts.

Generators

~/tool/uuid-generator

UUID Generator

Bulk-generate random version-4 UUIDs from your browser's crypto source.

 ~/tool/password-generator

Password Generator

Build strong random passwords with configurable length, symbols and entropy display.

Converters

~/tool/timestamp-converter

Timestamp Converter

Convert Unix timestamps to readable dates — and dates back to timestamps.