ROT13 decode
Caesar shift 13 on A–Z and a–z.
ClientHello
Nearby workflows on Toolcore
- ROT13 & Caesar cipher — Rotate Latin letters A–Z and a–z: ROT13 (self-inverse) or Caesar shift 0–25—other characters unchanged, local only. when the payload needs a different encoding or escape format.
- ROT5 digits — Rotate decimal digits 0–9 by five positions. when the payload needs a different encoding or escape format.
- ROT47 decode — Decode ROT47 printable ASCII cipher. when the payload needs a different encoding or escape format.
- Encoding tools — Hub index: Base64 & URL, Base64url, Base32, Crockford, LEB128, ASCII85, Z85, Base58, base-36, bencode, Morse, quoted-printable, URI, Puny… when the payload needs a different encoding or escape format.
Common use cases
- ROT13 decode for quick local checks without uploading data.
- Copy results into tickets, docs, or classroom notes.
Common mistakes to avoid
Unexpected input shape
See the intro and how-to notes for accepted formats.
FAQ
Is processing local?
Yes—this runs entirely in your browser.
Agent prefill?
Use q or qb for the main text field when supported.
More tools
Related utilities you can open in another tab—mostly client-side.
ROT13 & Caesar cipher
ClientRotate Latin letters A–Z and a–z: ROT13 (self-inverse) or Caesar shift 0–25—other characters unchanged, local only.
ROT5 digits
ClientRotate decimal digits 0–9 by five positions.
ROT47 decode
ClientDecode ROT47 printable ASCII cipher.
Encoding tools
ClientHub index: Base64 & URL, Base64url, Base32, Crockford, LEB128, ASCII85, Z85, Base58, base-36, bencode, Morse, quoted-printable, URI, Punycode/IDN, Unicode escapes, data URLs, MIME, hex, HTML entities, JWT, JSON helpers, crypto.