Compressor Excel

Compress Excel files to reduce their size while maintaining data integrity. Supports XLSX and XLS formats.

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8,352+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how Compressor Excel processes input data instantly inside your browser.

Sample Input Image dimensions: 4000 x 3000 pixels (File size: 5MB PNG)

Computed Result Output WebP Image: 1920 x 1440 pixels (File size: 350KB, 88% reduction)

Execution Mode Client-Side In-Browser JS

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About This Tool

This Excel Compressor tool allows you to reduce the file size of your Excel spreadsheets without losing data. Upload your Excel file (XLSX or XLS format), choose compression options, and download the compressed version. The tool removes unnecessary metadata, optimizes images, and applies compression algorithms to significantly reduce file size while preserving all your formulas, formatting, and data. Perfect for email attachments, storage optimization, and faster file transfers.

Save your calculation history with a free account

How to Use

Click the upload area or drag & drop your Excel file (XLSX or XLS)
Select compression options (remove metadata, compress images, aggressive compression)
Click the 'Compress Excel' button
Wait for processing to complete
Download your compressed Excel file with reduced file size

Frequently Asked Questions

Find Quick Answers

Will my Excel data be altered during compression?

No, the compression process preserves all your data, formulas, and formatting. Only unnecessary metadata and redundant information are removed to reduce file size.

What Excel formats are supported?

The tool supports both modern XLSX (Excel 2007+) and legacy XLS (Excel 97-2003) file formats.

How much file size reduction can I expect?

File size reduction depends on your original file content. Files with many images or embedded objects can see 50-70% reduction, while simple spreadsheets may see 10-30% reduction.

Is there a file size limit?

The tool can handle Excel files up to 50MB. For larger files, consider splitting them into smaller spreadsheets before compression.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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