Developer Tools
107 tools · 14 categories · REST API & CLI coming soon
Compare two text blocks line by line
Live preview Markdown as HTML
Generate placeholder text
Convert between camelCase, snake_case, kebab-case and more
Count words, characters, lines and reading time
Convert text to URL-friendly slugs with custom separators
Sort, deduplicate, reverse, shuffle, and transform text lines
Convert HTML to Markdown and Markdown back to HTML
Convert text to ASCII art with multiple font styles and borders
Analyze text for word count, readability scores, and word frequency
Convert numbers to English words, ordinals, and Roman numerals
View and generate unified diffs with colored added/removed line highlighting
What's next
Every tool over HTTP — callable from any language with a single fetch. Free tier included.
Run any tool from your terminal via npx. No install required.
Image processing, AI-assisted regex, DNS propagation checker, and more in the pipeline.