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Internal Tools

Your spreadsheet deserves to be an app

Custom dashboards, admin panels, and web tools that replace messy spreadsheets. Same logic, proper permissions, real-time data, and zero broken formulas.

Excel to web app

We take your existing spreadsheet logic and rebuild it as a proper application. Same calculations, better interface, no accidental deletions.

Role-based permissions

Not everyone should edit everything. Admins see all, managers see their team, employees see their tasks. You define who sees what.

Real-time dashboards

Visual overview of your key numbers. No more scrolling through rows to find what matters. Updated live, not yesterday's data.

Proper data storage

PostgreSQL database instead of Excel cells. Fast queries, data validation, backup, and no 'file is locked by another user'.

Multi-user access

Everyone works on the same data simultaneously. Changes are instant. No version conflicts, no emailing files back and forth.

Works on mobile

Check data, approve requests, update status — from your phone. No more 'I need to get to my laptop' excuses.

How we build your tool

01

Spreadsheet audit

Send us your spreadsheet. We map out the logic, formulas, and workflows.

02

Prototype

You see a working prototype within 1 week. Click through it, give feedback.

03

Build & migrate

We build the full app and migrate your existing data. Nothing gets lost.

04

Train & launch

Your team learns the new tool. We stay available for the first 3 months.

Pricing (+ VAT)

Simple tool

€2,000 – €3,500

Single-purpose tool replacing one spreadsheet. Basic permissions and dashboard.

2-3 weeks

Business app

€3,500 – €6,000

Multi-view app with roles, filters, reports, and data import/export.

3-5 weeks

Custom platform

€6,000+

Complex tool with integrations, workflows, multiple user roles, and analytics.

5-8 weeks

FAQ

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Internal Tools | Excel to Web App – Codeliner | Codeliner