Dev Tools
A collection of simple, browser-based developer utilities.
Case Converter
Convert text between uppercase, lowercase, title case, and more.
Word Counter
Count words, characters, sentences, and paragraphs.
Find & Replace
Search and replace text with optional regex support.
Join Lines
Join lines of text together with a delimiter of your choice.
Split Text
Split text into separate lines by a delimiter.
JSON Formatter
Pretty print or compact JSON with syntax highlighting.
JSON Compare
Compare two JSON values and see the differences.
JWT Decoder
Decode and inspect JSON Web Token header, payload, and signature.
Time Converter
Convert times between UTC, EST, PST, and other timezones.
UUID Generator
Generate single or batch UUID v4 values.
Text Diff
Compare two blocks of text side-by-side with highlighted differences.
Markdown Preview
Live preview of Markdown with side-by-side editing.