Local-first preflight checks

Catch the small mistake before it becomes a bigger job.

These are narrow tools for a single check. They inspect what you give them locally in your browser where available. They do not connect to your account, modify your data, or replace expert review.

No accountNo store or GitHub connectionNo automatic repairClear scope

Shopify notifications

Notification Preflight

Paste a Shopify notification template and spot common structural or context issues before you save it.

Input: copied Liquid template
Output: limited warnings and next checks
Not an email editor or delivery test

Try the local check Interested in the paid version

Notion CSV import

Merge Guard

Compare an existing and incoming CSV by one exact key before an import creates duplicate rows.

Input: two CSV files and one key
Output: clear / review list
Not a Notion sync or cleanup service

Try the local check Interested in the paid version

Shopify product CSV

Catalog CSV Preflight

Run a short structural check on a product CSV before you import it into Shopify.

Input: product CSV
Output: deliberately limited blocking flags
Not a catalog migration or store connection

Try the local check Interested in the paid version

GitHub releases

Release Checksum Verifier

Check local release files against an optional SHA-256 manifest and generate a simple result.

Input: local files and optional manifest
Output: digest plus match / mismatch
Not signing, publishing, or GitHub integration

Try the local check Interested in the paid version

PDF AcroForm fields

PDF Form Name Guard

Inspect a PDF form locally for repeated field names that can cause answers to mirror one another. This first version is a local command-line inspector for people comfortable running it; it is not a hosted upload service. A browser version is deliberately not claimed.

Input: local AcroForm PDF
Output: repeated widget field names
No upload, edit, repair, or legal-compliance claim

See the local-use instructions Interested in the paid version