10 free browser tools

Excel Tools Suite

Unprotect, protect, convert and repair Excel workbooks online — free and fully browser-based.

10 tools, one hub Local file tools; service requirements vary Works on any device

Can you unlock and protect Excel files online without Microsoft Office?

Yes. Excel worksheet protection, workbook-structure locks and read-only flags are stored as plain settings inside the .xlsx package, so they can be removed without the original password and re-applied with a new one — all inside your browser, with no Office licence and no upload. The one exception is a file-level open password, which uses encryption and cannot be bypassed by any honest tool.

Excel security

2 tools

Excel Password Remover

Popular

Unprotect Excel sheets and workbooks without the password

Excel Password Protector

Popular

Lock sheets, formulas and workbook structure with a password

Convert Excel

4 tools

Excel to CSV

Popular

Export any worksheet to clean CSV

CSV to Excel

Popular

Build a formatted .xlsx workbook from CSV

CSV to PDF

Turn spreadsheet tables into printable PDFs

CSV to Parquet

Columnar format for large-scale analytics

Fix & learn

4 tools

Advanced CSV Editor

Repair broken spreadsheet exports in the browser

Excel Formula Directory

Popular

Searchable reference for every Excel formula

Remove Duplicates

Deduplicate spreadsheet rows in seconds

Statistical Analysis

Summary statistics without pivot tables

How it works

  1. 1

    Choose an Excel tool

    Unprotect, protect, convert or repair — start from the groups below.

  2. 2

    Load your .xlsx or .xlsm file

    The workbook is parsed locally with JavaScript; it never leaves your device.

  3. 3

    Download the new workbook

    Protection tools change package protection settings; conversion tools produce a new output format and do not preserve every workbook feature.

Excel protection and conversion tasks at a glance

What each Excel tool handles, whether a password is required, and what you get back.

Excel protection and conversion tasks at a glance
TaskToolPassword needed?Result
Forgot the sheet passwordExcel Password RemoverNoFully editable workbook
Cannot add or rename sheetsExcel Password RemoverNoStructure lock cleared
Stop others editing your budgetExcel Password ProtectorYou choose oneProtected .xlsx
Lock formulas but allow filteringExcel Password ProtectorYou choose oneGranular permissions
Get sheet data into a CSVExcel to CSVNoClean UTF-8 CSV
Turn CSV data into a workbookCSV to ExcelNoFormatted .xlsx
File asks for a password to openEncrypted file — password requiredYesDecrypt in Excel first
Look up a formula or fix #REF!Excel Formula DirectoryNoSyntax and examples

Why people use these tools

File conversion and cleaning process files in your browser

Limits vary by tool; CSV to PDF includes first-page attribution

Local processing requires the tool and its resources to be loaded

Separate developer API with account, quotas and plans

Read the privacy policy or automate these jobs with the developer API.

Frequently asked questions

Everything people ask before using these tools — privacy, file limits, formats and how each job is done.

Yes. Worksheet and workbook-structure protection are stored as settings inside the .xlsx file, so the Excel Password Remover clears them without the original password. Open-password encryption cannot be bypassed.

Never. Workbooks are parsed with JavaScript inside your browser tab — nothing is transmitted or stored, which makes these tools safe for payroll, finance and client spreadsheets.

.xlsx, .xlsm, .xltx and .xltm. Legacy binary .xls files should be re-saved as .xlsx first in Excel, LibreOffice or Google Sheets.

Yes — the Excel Password Remover on this page runs entirely in the browser. There is nothing to install, no account to create and no watermark on the unlocked workbook.

Removal clears sheet and workbook protection flags so the file becomes editable again. Recovery means retrieving the original password text, which is not possible for encrypted workbooks — and unnecessary when all you need is to edit the sheet.

Use the Excel Password Protector: upload the workbook, set a password, choose whether to lock worksheets, workbook structure or add a read-only recommendation, and download the protected copy.

No. Only the protection settings are changed. Cell values, formulas, formatting, pivot tables, charts and VBA macros pass through untouched.

Open the Excel to CSV tool, drop in the .xlsx file and pick the worksheet you want. It exports clean, correctly quoted CSV directly in your browser.

Yes. The Excel Formula Directory is a searchable reference covering every built-in function with syntax, arguments and practical examples.

It is legal when the workbook belongs to you or you are authorised to edit it — for example a file inherited from a former colleague. Do not use it to bypass protection on files you have no right to modify.

Yes. Anything with a modern browser — Chrome, Safari, Edge, Firefox — on Windows, macOS, Linux, iOS, Android or ChromeOS.

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