Fill in your page details and get the complete, copy-ready HTML for standard SEO meta tags, Open Graph tags (Facebook, LinkedIn), and Twitter/X Card tags — all in one place. Covers every field that social platforms and search engines look for when parsing a page. No more looking up the right property names or forgetting which tags are required.
Verify a file's integrity by checking its hash against an expected checksum. Supports SHA-256, SHA-1, MD5, and more. Runs in your browser — nothing uploaded. Free.
Paste a JSON Web Token to decode and inspect its header, payload, and expiry — entirely in your browser.
Test regular expressions against a string with live match highlighting, flag toggles, and a match details table.