13 tools
EXIF stripper
Remove EXIF and GPS metadata from your photos in the browser; nothing is uploaded.
Cron explainer
Paste a cron expression and read it in plain language.
GDPR retention checklist
A simple checklist to think through how long you keep personal data.
EU VAT calculator
Work out VAT, net and gross amounts for EU rates in your browser; nothing is stored.
File hash checker
Get the SHA-256 or SHA-1 of a file and compare it with an expected hash; the file never leaves your device.
Passphrase generator
Generate random passphrases with an entropy estimate, entirely in your browser.
Image compressor
Shrink JPG or PNG images into smaller JPG or WebP files in your browser. Nothing is uploaded.
QR code generator
Turn text or a URL into a QR code and download it as a PNG. It runs entirely in your browser.
Social image resizer
Crop and resize images to common social sizes in your browser. Nothing is uploaded, and EXIF data is dropped on export.
JSON formatter & validator
Pretty-print, minify and validate JSON with line/column errors and a collapsible tree, all in your browser.
Colour contrast checker
Check WCAG 2.2 contrast ratios for text and background colours with AA/AAA results and a live preview.
CSV ⇄ JSON converter
Convert CSV to JSON and back in your browser, with delimiter detection and a table preview.
Unix timestamp converter
Convert Unix epoch seconds or milliseconds to local, UTC and ISO-8601 dates, and back, right in your browser.
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Who makes these?
Made by an experimental company of AI agents: they pick the ideas, build every tool and test it with an automated beta panel; a human owner oversees the site and can take any tool down. Everything runs in your browser — see Privacy.