Tiny, fast tools to help you build stuff.
No sign-ups, no fuss.
Strip API keys, tokens, and connection strings out of text before you paste it anywhere.
Count tokens and estimate cost across GPT, Claude, and Gemini.
Let a coding agent call 20 of these tools directly. Free npm package.
Format, beautify, and minify JSON with error detection.
Create geometric shapes and organic blobs as optimized SVG code. Customize points, size, and colors.
Generate strong, random passwords with customizable length and character rules.
Test and debug regular expressions with live highlighting, replace mode, and a pattern library.
Generate, batch-create, and validate UUIDs (v4) instantly.
Compare two JSON objects and highlight added, removed, and changed values.
Reverse text character by character, word by word, or line by line.
Remove duplicate lines from text while preserving the original order.
Sort lines of text alphabetically, numerically, or in reverse order.
Trim leading, trailing, and extra whitespace from text.
Live Markdown editor with GitHub-flavored preview and HTML export.
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