Office & Productivity

Spreadsheets, CSVs, timesheets, labels and the small jobs that eat an office afternoon. All 25 of them run in your browser — nothing is uploaded.

• Excel to CSV

  Turn an .xlsx workbook into CSV files.

• CSV to Excel

  Turn CSV or pasted rows into a real .xlsx workbook.

• CSV Viewer & Editor

  Open, sort, filter and fix a CSV without a spreadsheet.

• Merge CSV Files

  Stack CSV files together, or join them on a shared column.

• Split CSV File

  Cut a large CSV into smaller files that keep the header.

• Remove Duplicate Rows

  Find and remove duplicate rows in a CSV or a list.

• Text to Columns

  Split delimited or fixed-width text into columns.

• Text Cleaner

  Fix text pasted out of Word, a PDF or an email.

• Email Signature Generator

  Build an HTML signature that survives Outlook.

• Mail Merge

  Merge a CSV of recipients into a message template.

• Email Extractor

  Pull email addresses, URLs or numbers out of any text.

• Name Splitter

  Split full names into first, middle and last columns.

• Meeting Cost Calculator

  Work out what a meeting actually costs.

• Time Zone Meeting Planner

  Find a meeting time that works across time zones.

• Working Days Calculator

  Count business days, or find a deadline.

• Timesheet Calculator

  Add up a week of hours, breaks and overtime.

• Hours to Decimal

  Convert 7:45 to 7.75 and back, a column at a time.

• VAT Calculator

  Add or remove VAT, GST or sales tax from an amount.

• Margin & Markup Calculator

  Convert between margin and markup, with the formulas.

• Break-Even Calculator

  How many units cover your fixed costs.

• Label Generator

  Print sheet labels from a list, as a PDF.

• Calendar Event Generator

  Make an .ics file any calendar app will import.

• vCard Generator

  Build a .vcf contact file, with a QR code.

• Duplicate File Finder

  Find identical files by content, not by name.

• Decision Matrix

  Weigh the criteria, then rank the options.