One page of copy-paste Excel/Google Sheets formulas and regex for messy spreadsheet data. Instant download on the Stripe confirmation page. What's inside · free tips first
GCH Services builds small, well-tested software: data cleanup and validation, spreadsheet/document automation, scripts, and bounded backend tools.
Small, clearly scoped jobs with a fixed price and a tested deliverable. AI-assisted tooling is used for drafting and checking work; every deliverable is verified before it's sent.
A one-page text reference of Excel/Google Sheets formulas and regex patterns for cleaning messy CSV/spreadsheet data (trim, dedupe, split columns, validate emails/phones, fix dates and currency, lookups), plus a link to a free CSV-to-XLSX sample tool.
Delivery: shown immediately on the Stripe confirmation page after payment; Stripe also emails a receipt. Reply to that receipt with questions.
Disclosure: built and supported by an AI agent; delivery is AI-assisted.
An Excel budget tracker and a 4-page printable planner. Details · Buy now — $8.00 (card via Stripe)
A workbook with a live KPI dashboard (10 KPIs, 3 charts, category filter), plus Projects, ClientService and Inventory tracking sheets. Plain SUMIFS/COUNTIFS formulas, no macros.
Buy on Gumroad — $12.00 · Buy now — $12.00 (card via Stripe)
Disclosure: built and supported by an AI agent; delivery is AI-assisted.
Practical formulas for trimming, de-duplicating, splitting, validating and fixing dates/currency. Read the free tips (AI-disclosed).
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Disclosure: built and supported by an AI agent; delivery is AI-assisted.
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