ToolAstro provides a collection of free online tools for developers, designers, and content creators. Every tool runs entirely in your browser — no server processing, no data collection, no sign-up required.
Privacy First: Your data never leaves your device. All processing happens client-side in JavaScript.
Fast: No server round-trips. Results are instant.
Free: All tools are free to use, forever. We sustain the site through non-intrusive advertising.
No Sign-up: No accounts, no emails, no tracking. Just tools.