JSON Formatter & Validator
Format, minify, validate and sort JSON with clear error positions.
JSON Diff
Compare two JSON documents and see exactly what was added, removed or changed.
Regex Tester
Test regular expressions live with match highlighting and capture groups.
Markdown Previewer
Write Markdown and see the rendered result live.
Base64 & URL Encoder / Decoder
Encode and decode Base64 and URL-encoded text, with full UTF-8 support.
JWT Decoder
Decode a JSON Web Token's header and payload and check its expiry.
Cron Expression Builder
Build and understand cron schedules, with plain-English descriptions and next run times.
UUID & Hash Generator
Generate random UUIDs and SHA-1/256/384/512 hashes of any text.
Word & Character Counter
Count words, characters, sentences and paragraphs, with reading time.
Case Converter
Convert text to upper, lower, title, sentence, camel, snake, kebab and more.
Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences or words.
CSV to JSON Converter
Convert CSV to JSON and JSON to CSV, with quoted-field support.
.gitignore Generator
Combine ready-made .gitignore rules for your languages, frameworks and editors.
Text Diff Checker
Compare two blocks of text and highlight what changed.