{"listing":{"id":"71c8ae8b-10b7-45a7-a2de-095e4632e984","name":"LocalFirstTools","slug":"localfirsttools","website_url":"https://localfirsttools.com","tagline":"28 developer tools that never upload your data","description":"LocalFirstTools is a set of 28 free developer utilities that run entirely in your browser. Format and validate JSON, XML, SQL and HTML; convert JSON to YAML, CSV or XML; decode JWTs; encode Base64; generate hashes, UUIDs and passwords; convert Unix timestamps; test regexes; diff text; view CSV; explain cron. Everything runs in your tab: no upload, no account, no ads. Verify it in DevTools Network. Built by Patrick in the Netherlands. Proprietary (not open source); each build publishes SHA-256 checksums.","categories":["developer-tools","productivity"],"features":["28 browser-only developer tools","Nothing is uploaded — verify in DevTools","JSON, JWT, Base64, hash, UUID, CSV, XML, SQL, HTML","No account, no ads","Works offline after the tool loads"],"pricing_model":"free","pricing_summary":"Free — no account, no ads","cta_label":"Try free","screenshot_url":"https://screenshots.azn8.com/screenshots/71c8ae8b-10b7-45a7-a2de-095e4632e984/b300220921433ee9.webp","screenshot_status":"ready","screenshot_updated_at":"2026-10-13T07:33:30.760Z","status":"live","source":"api","url":"https://azn8.com/listing/localfirsttools","created_at":"2026-10-13T07:33:22.577Z","updated_at":"2026-10-13T07:33:22.577Z","published_at":"2026-10-13T07:33:22.577Z","featured":false}}