FormulaSurge

Free tool · runs in your browser

Workbook Compare

Free Excel compare tool - drop two versions of a workbook and see every changed value and formula, inserted rows, new sheets and typed-over formulas. Runs in your browser.

Both files are read in your browser and never uploaded.

Version control for Excel

Found changes nobody can explain?

Send the change list. I'll tell you which changes are fixes and which are mistakes, and rebuild the typed-over formulas. See the audit and repair service.

Self-serve

No signup

Direct channels

Score it, then
build it.

Free tools
15
Time to result
<2m
Forms to fill
0
  1. 1Run the tool
  2. 2Send the output
  3. 3Get the build
Mutual NDA availableCalls scheduled in your timezone

Self-serve standards

Six rules on every free tool on this site.

Self-serve tools, not signup-walled demos. The same six rules on every calculator, audit and quiz we publish.