Small tools. Useful work.

Writing, data, design and everyday numbers. Work in your browser, with no account and no input uploads.

These 14 new utilities join the full app catalog. Need a workflow? Start with a topic.

Find a tool

Writing

Word Counter

Know exactly how much you have written. Paste a draft to see its shape, length and estimated reading time.

Writing

Give a rough draft a cleaner shape. Change case or tidy whitespace, then copy the result.

Writing

Write in plain text, read a clean preview. A deliberately small Markdown dialect for notes, readmes and drafts.

Developer tools

Make a query value safe for a URL, or turn a percent-encoded component back into readable text.

Developer tools

Move Unicode text into a transport-friendly alphabet. Switch between standard Base64 and URL-safe Base64url.

Developer tools

Turn a spreadsheet export into structured data, or get JSON rows back into a spreadsheet. No upload required.

Developer tools

Decode a timestamp without the thousandfold mistake. Pick the unit explicitly and see UTC beside your local timezone.

Developer tools

Create random identifiers where you are working. Every UUID comes from your browser’s cryptographic random generator.

Developer tools

Make a fresh password with your browser’s cryptographic random source. Nothing is sent or saved.

Developer tools

Check that the file you have matches the checksum you expected. The file stays on your device.

Design & numbers

Keep the shape, change the size. Find a missing dimension for a photo, video, illustration or screen.

Design & numbers

Find out how large an image can print at your chosen resolution, before committing paper and ink.

Design & numbers

Three similar-looking questions, three different formulas. Choose the one that matches what you are comparing.

Design & numbers

Check whether text has enough contrast against its background. See the ratio and the threshold together.