unsent.tools — small tools that keep your data in the browser

Field notes

The site organizes nine browser-based utilities around inputs that are often pasted into external services: JWTs, URLs, text, network ranges, schedules, permissions, colors, and identifiers. Its stated workflow is local processing with no backend, network requests, analytics, or advertising, and it says the collection remains usable offline after loading. Individual tools expose practical details such as next cron runs, GNU chmod verification, WCAG contrast ratios, and embedded UUID timestamps.