{"$schema":"https://toolsly.tools/schemas/tool-manifest-v1.json","generated":"2026-05-20T20:47:38.195Z","discovery":{"catalog":"https://toolsly.tools/tools.json","llmsTxt":"https://toolsly.tools/llms.txt","sitemap":"https://toolsly.tools/sitemap.xml"},"relatedTools":[{"slug":"qr-code-reader","name":"QR Code Reader","url":"https://toolsly.tools/qr-code-reader"},{"slug":"qr-code-generator","name":"QR Code Generator","url":"https://toolsly.tools/qr-code-generator"},{"slug":"file-to-hex","name":"File to Hex Dump","url":"https://toolsly.tools/file-to-hex"},{"slug":"hex-to-file","name":"Hex to Binary File","url":"https://toolsly.tools/hex-to-file"},{"slug":"wifi-qr-code-generator","name":"Wi-Fi QR Code Generator","url":"https://toolsly.tools/wifi-qr-code-generator"},{"slug":"vcard-qr-code-generator","name":"vCard QR Code Generator","url":"https://toolsly.tools/vcard-qr-code-generator"},{"slug":"barcode-generator","name":"Barcode Generator","url":"https://toolsly.tools/barcode-generator"},{"slug":"base64-encode","name":"Base64 Encode","url":"https://toolsly.tools/base64-encode"}],"kind":"utility","slug":"rot13","name":"ROT13","description":"Apply the ROT13 substitution cipher — letters shift by 13, applying twice returns the original.","longDescription":"ROT13 (\"rotate by 13 places\") is a simple letter-substitution cipher that replaces each letter with the one 13 positions later in the alphabet. Since the Latin alphabet has 26 letters, applying ROT13 twice gives the original text — it's its own inverse. Useful for hiding spoilers or puzzle answers. Runs entirely in your browser.","category":"text","categoryName":"Text & Encoding","keywords":["rot13","rot13 encoder","rot13 decoder","rot 13 cipher","caesar 13 cipher","rot13 online","rot13 free","rot13 translator","rot13 converter","encode rot13","decode rot13","letter substitution cipher","spoiler hider"],"badge":"Cipher","url":"https://toolsly.tools/rot13","inputs":[{"type":"text","key":"text","label":"Text","placeholder":"Hello, world!","multiline":true,"monospace":true,"help":"Applying ROT13 to the result gives back the original."}],"outputs":[{"key":"result","label":"ROT13 result","multiline":true}],"invocation":{"webUi":"https://toolsly.tools/rot13","api":null,"notes":"Currently invoked via the web UI at `webUi`. Inputs are form fields; outputs are structured text values. A remote MCP/REST API is planned."}}