Hexadecimal subtract

Client

Subtract hex offsets for address arithmetic or firmware layout checks—companion to hex add.

How to use

Enter minuend and subtrahend as hex (0x optional).

About Hexadecimal subtract

Subtract two hexadecimal integers—shows hex and decimal difference, local only. 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.

FF − A = 0xF5 (245 decimal)

Nearby workflows on Toolcore

  • Hexadecimal addition — Add two hexadecimal integers of any length—BigInt math in your browser. when the payload needs a different encoding or escape format.
  • Hex encode & decode — UTF-8 text to hex and hex to text—strip spaces, local only. when the payload needs a different encoding or escape format.
  • Binary subtract — Subtract two binary numbers—decimal and binary difference in browser. when the payload needs a different encoding or escape format.
  • Text ↔ binary — Convert UTF-8 text to 0/1 bit strings and back—spaced bytes or continuous—in your browser. when the payload needs a different encoding or escape format.

Common use cases

  • Find span between two memory addresses.
  • Verify hex patch size deltas.

Common mistakes to avoid

  • Signed result

    Negative differences show a leading minus on the hex magnitude.

FAQ

Big values?

Uses BigInt—very large hex values are supported.

More tools

Related utilities you can open in another tab—mostly client-side.