Useful tools
Practical tools for everyday work.
Browser-only text utilities
Your input stays on your device. No uploads, saved history, or analytics on these tool pages.
Available tools
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Token counter
Count raw-text tokens with a selected OpenAI tokenizer encoding, entirely in your browser.
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Text comparison
Compare two versions of a message, prompt, or document. See additions and removals in one phone-friendly view.
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Text cleanup
Fix text copied from PDFs or notes: clean spaces, join lines, and remove duplicate lines before copying it back.
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JSON formatter
Format, validate, or minify JSON without uploading it. Preserve large numbers and copy the result in a tap.