Data Tools
Remove Duplicate Lines
Clean lists and text by removing repeated lines directly in your browser.
Free resources
Free Tools
Browser-based utilities for business, data, calculations, and everyday workflow tasks—ready to use without an account.
Browse tools
Open Tool
Data Tools
Compare Excel & CSV Files
Reconcile two datasets by matching keys, changed fields, and missing records.
Data Tools
CSV ↔ JSON Converter
Convert CSV to JSON or JSON to CSV locally in your browser.
Data Tools
CSV Column Extractor
Select, reorder, preview, and download only the CSV columns you need.
Calculators
Margin & Markup Calculator
Calculate profit, selling price, gross margin, and markup instantly.
Business Tools
Business Days & Lead-Time Calculator
Add working days to a date or count business days between dates.
Business Tools
Quote & Estimate Generator
Create professional customer quotes and estimates with print-ready totals.
Business Tools
Free Invoice Generator
Create professional invoices with payment terms, balances, and print-ready PDF output.
Business Tools
Meeting Cost Calculator
Estimate meeting labor cost from attendee compensation, duration, and frequency.