Unicode escape encode
Non-ASCII code points become \\uXXXX (surrogate pairs for astral).
Clientcaf\u00E9 \uD83C\uDF89
Nearby workflows on Toolcore
- Unicode escape decode — Decode \uXXXX and \UXXXXXXXX escape sequences. when the payload needs a different encoding or escape format.
- Unicode & JS escapes — Encode UTF-8 to \u{hex} escapes or decode \u{…}, \uXXXX, \xNN, and \n \t—client-side. when the payload needs a different encoding or escape format.
- JSON string escape — Escape a string for safe JSON quoting—quotes, slashes, controls. 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
- Unicode escape encode 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.
Unicode escape decode
ClientDecode \uXXXX and \UXXXXXXXX escape sequences.
Unicode & JS escapes
ClientEncode UTF-8 to \u{hex} escapes or decode \u{…}, \uXXXX, \xNN, and \n \t—client-side.
JSON string escape
ClientEscape a string for safe JSON quoting—quotes, slashes, controls.
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.