Spreadsheet to web app

Turn your spreadsheets into a real web application

Keep what works about your spreadsheet and leave behind the version confusion, broken formulas and risky sharing.

Why spreadsheets break down

  • Many copies, no single truth. Files get emailed around and edited in parallel.
  • Anyone can overwrite anything. One accidental edit can break a formula for everyone.
  • Weak access control. You cannot easily limit who sees which rows or columns.
  • No history. It is hard to see who changed a value, or to undo it.
  • Hard limits. Excel worksheets stop at 1,048,576 rows, and large files get slow long before that.

What you get instead

  • One shared web application that everyone works in at the same time
  • Screens designed around your process, with the fields and rules you need
  • Different access for different people, with a history of every change
  • Reports and summaries that update on their own
  • Exports to Excel whenever someone needs to analyze data their own way

How the conversion works

  1. Review your sheets

    We study how the spreadsheet is used, including the formulas and unwritten rules behind it.

  2. Design the app

    We map the data and workflow, and agree what the screens and reports will look like.

  3. Build and migrate

    We build the application and move your existing data in, checking it with you.

  4. Train and support

    We train your team and stay on hand while everyone gets used to the new way of working.

Frequently asked questions

Will we lose our formulas?

No. We rebuild the logic behind your formulas as rules inside the application, and test results against your current spreadsheet to confirm they match.

Can we still use Excel?

Yes. Exports to Excel are built in, so people can analyze data in a tool they know.

How is this different from no-code tools?

No-code tools can be a good fit for simple needs. Custom development makes more sense when your rules are complex, data is sensitive, or you have outgrown what a platform allows. We will tell you honestly which fits.

Is our data secure?

We design with role-based access, backups and an audit trail, and explain how your data is stored and protected.

Ready to talk?

Send us a description of your spreadsheet, or a sample with sensitive data removed.

Contact Larch Systems