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Finds the numbers in a spreadsheet that nobody can explain: a formula someone typed over, a total that stops short, a cell doing something different from its column. Runs entirely on your machine.

Description excerpted from the original listing, which is linked below.

Open it Source code

Facts

Published: 7 Sep 2026 (7 Sep 2026)
Medium: web
Language: English (the page says so itself)
Subject: Developer tools, Money and business
First seen: 26 Sep 2026, 08:49 UTC

Built with

Claude Code: confirmed
the agent's own trailer in the repository's commit history

What we can see

100 hygiene score

Certificate issued by GlobalSign Atlas R3 DV TLS CA 2025 Q4, 124 days remaining
Cookie attributes no cookies set
Credentials and payment does not ask for either
Strict transport security set
Served over HTTPS
Mail authentication sender policy and authentication published
No insecure resources
Redirects none
Security headers 5 of 5 set
Third-party origins 35
Transport security TLS 1.3

Observed 26 Sep 2026 by fetching the page as a browser would. This describes hygiene and transparency, not safety: a missing header does not make a site dangerous, and a complete set does not make it trustworthy.

Made this?

Show it on your own site or README. It links back to this page.

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For a web page

<a href="https://bitsexplorer.com/i/660383/show-your-work"><img src="https://bitsexplorer.com/badge/660383.svg" alt="Featured on BitsExplorer" height="22"></a>

For a README (Markdown)

[![Featured on BitsExplorer](https://bitsexplorer.com/badge/660383.svg)](https://bitsexplorer.com/i/660383/show-your-work)

Changes we have seen

26 Sep 2026 first indexed

Show Your Work

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