Free Online Excel Tools
Powerful, privacy-first tools to convert, split, and manage your Excel and PDF files — all free, no signup required.
Format Conversion
Transform your data between Excel, PDF, CSV, JSON, PPT, and Images seamlessly.
PDF to Excel Converter
Extract tables and data from PDF documents into clean, editable Excel spreadsheets. Smart table detection, multiple extraction modes, and instant conversion.
- Smart table detection
- Multiple extraction modes
- XLSX & CSV output
Excel to JSON Converter
Instantly convert Excel (XLS, XLSX) and CSV files to clean, formatted JSON. Features advanced options for nested structures, custom object arrays, and optimized output.
- Nested JSON Object Support
- Format Objects & Arrays
- Minify or Beautify Output
Image to Excel (OCR)
Extract text and tables from images using advanced OCR technology. Convert photos, screenshots, and scanned documents to editable Excel spreadsheets.
- OCR Technology
- 100+ Languages
- Table Detection
JSON to Excel Converter
Convert JSON files and data to clean Excel spreadsheets. Supports nested objects, arrays, auto-type detection, and custom formatting options.
- Nested Object Flattening
- Array to Rows
- Auto Type Detection
Excel to CSV Converter
Convert Excel files (XLS, XLSX) to CSV format instantly. 100% private client-side processing with no ad-heavy interruptions.
- XLS & XLSX Support
- Select Specific Sheets
- Instant Conversion
CSV to Excel Converter
Convert CSV, TSV, and delimited text files into formatted Excel spreadsheets with smart delimiter detection and live preview.
- Smart Delimiter Detection
- Live Data Preview
- 100% Private
PPT to Excel Converter
Convert PowerPoint presentations to Excel spreadsheets. Extract tables and text from PPTX files.
- Extract tables from slides
- Extract loose text
- Batch convert PPTX files
Data Processing & Editing
Split, merge, compare, and clean your spreadsheets effortlessly.
Online Excel Viewer
Open and inspect XLS, XLSX, XLSM, CSV, TSV, and ODS spreadsheets online in your browser. Fast 60fps virtualized grid, formula bar, multi-sheet tabs, and 100% private local processing.
- XLS, XLSX, XLSM, CSV, ODS
- Formula Bar & Inspector
- Multi-sheet Navigation
CSV Merger
Combine multiple CSV files into one unified dataset instantly. Features smart header matching, row reordering, and privacy-first local processing.
- Smart Header Matching
- Drag & Drop Reordering
- Handles large files
Excel Splitter
Split large Excel files into smaller, manageable pieces. 9 split modes including by rows, sheets, columns, formulas, dates, and more.
- 9 split modes
- Formula preservation
- Column-based filters
Mail Merge
Generate customized documents in bulk by merging an Excel or CSV data source with your text template. Preview and download as a ZIP archive.
- Excel & CSV data sources
- Custom template editor
- Live document preview
Compare Excel Files
Compare two Excel files side by side and instantly highlight cell-by-cell differences, added rows, and removed rows. Export the diff report as XLSX.
- Cell-by-Cell Diff
- Key Column Matching
- Color-Coded Results
Remove Duplicates
Easily find and remove duplicate rows in your Excel files. Select specific columns to check and instantly download the cleaned file.
- Auto Header Detection
- Select Columns to Match
- Keep Unique Rows
Excel VLOOKUP
Match and combine data from two tables or files using a shared column. A fast, easy alternative to complex Excel VLOOKUP formulas.
- Two-file or single-file mode
- Exact & Approximate matches
- Preserves row order
HLOOKUP Tool
Match values across horizontal rows instantly.
- Two-file or single-file mode
- Horizontal row matching
- Preserves original structure
XLOOKUP Tool
Find a value in one column and return a result from any other column.
- Flexible lookup & return
- Custom fallback values
- Exact & Approximate match
INDEX & MATCH Tool
Resolve data lookups using relative array positions.
- Positional matching
- Separated array logic
- Sort verification mode
Multi-Criteria Lookup
Match rows using two or more columns simultaneously.
- Match multiple conditions (AND)
- Structured composite keys
- First full match logic
Excel Fuzzy Lookup Tool
Match strings that are similar but not identical. Great for fixing typos in real-world data.
- Similarity threshold
- Levenshtein algorithm
- 100% Privacy
Combine Columns in Excel
Combine two or more columns into one visually without any complex formulas. Set custom separators and ignore empty cells.
- Visual column selection
- Custom separators (e.g. comma, space)
- Ignores empty cells automatically
Security & Optimization
Protect sensitive data, remove passwords, and compress large files.
Encrypt Excel File
Password-protect your sensitive Excel (XLSX) files. 100% private client-side encryption.
- Password protection
- Standard XLSX encryption
- 100% private processing
Unlock Excel File
Remove password protection from encrypted Excel files instantly. 100% private local processing.
- Remove password
- Instant unlocking
- No data uploaded
Compress Excel
Reduce the file size of large Excel workbooks (XLSX, XLS) without losing data or formatting.
- Instant Compression
- No Data Loss
- 100% Private
Process Gigabytes of Data Directly Inside Your Browser.
Standard web converters send confidential payroll, customer records, and operational spreadsheets to unknown foreign servers. ExcelMerge runs client-side Web Workers and WebAssembly inside your browser window. Zero packets leave your machine.
Why Use Our Tools?
Everything you need to manage your spreadsheets, built with privacy and speed in mind.
100% Free
No hidden fees, no watermarks, no signup. Use all tools unlimited times.
Privacy First
Your files are processed locally or deleted immediately. No data retention.
No Installation
Works directly in your browser. No plugins, downloads, or software needed.
Works Everywhere
Use on any device — Windows, Mac, Linux, Chromebook, or mobile.
Ready to process your spreadsheets securely?
Drag and drop your XLSX or CSV files into any of our specialized tool modules. No credit card, no sign-in, and zero server logging.