https://www.onlinetoolhub.dev
Privacy-first online tools for devs & creators
https://www.onlinetoolhub.dev launched on April 26, 2025 with 22 votes, #889 of 7,818 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Free and fast online tools for developers, students & creators: IP lookup, JSON formatter, password generator, and more.
Free, privacy-focused online tools: IP and DNS lookup, Base64 and URL encoder/decoder, Unix timestamp converter, hash generator, JSON formatter, JWT decoder with signature verification, HTTP QUERY tester (RFC 10008), password and crontab generator, word counter and AI prompt linter.
Reliable and fast tools for developers, students and creators, all in your browser. Quickly discover the geolocation, ISP, and other details associated with any IP address. Perform DNS queries for A, AAAA, MX, NS, TXT and other records quickly, free and easily. Quickly and freely encode or decode Base64 strings, streamlining various development tasks. Percent-encode or decode URLs and query strings instantly, with component and full-URL modes. Convert epoch timestamps to readable dates and back, with a live clock and ISO 8601 output. Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text instantly in your browser. Instantly format, validate, and beautify your JSON data with our…from onlinetoolhub.dev
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