XOR hex strings
ClientCombine one-time pad material or flip masked bytes—hex pairs must align.
XOR two equal-length hex strings byte-wise—local crypto helper.
About XOR hex strings
XOR two equal-length hex strings byte-wise—local crypto helper. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.
How to use this page
Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.
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Common use cases
- XOR hex strings 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.
Hex encode & decode
ClientUTF-8 text to hex and hex to text—strip spaces, local only.
HMAC (SHA-256 & more)
ClientHMAC-SHA-256/384/512/1 in the browser—hex or Base64 for webhooks, signing, and API docs.
File checksum & hash
ClientSHA-256, SHA-512, MD5, CRC-32, and more for a local file—verify downloads without uploading.
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.