Free online Excel Macro-Enabled to CSV Data converter. Files are processed locally in your browser — no uploads, 100% private.
Drop your .XLSM file here
or click to browse from your device
100% browser-based — no server uploads, no cloud processing
Free forever — no account or subscription required
Supports batch conversion for multiple files at once
Works on any device — desktop, tablet, and mobile
Results available in seconds — no server queue or wait time
Files are cleared immediately after processing for maximum privacy
Excel Open XML with macro support
Comma-Separated Values data
CSV is an industry-standard format with universal support
Source: Excel Open XML with macro support
Output: Comma-Separated Values data
100% browser-based processing — files never leave your device
May require specific software to open or edit
Not universally compatible with all applications
Alternative formats may offer better compression or quality
Business reporting and data analysis
Financial modeling and budgeting
Data import/export pipelines
Project scheduling and tracking
Keep original files before converting for maximum flexibility
Test converted output before using in production workflows
Use batch processing for multiple files to save time
Match the output format to your delivery platform for best results
Drag & drop your file or click to browse
Files are processed instantly in your browser
Save your converted or processed file
Upload your XLSM file using the drop zone above. Your file is instantly converted to CSV format right in your browser — no server upload, no waiting.
Completely. Our converter processes your XLSM file 100% in your browser using client-side code. It never leaves your device or touches any external server.
It depends on the formats. Converting from lossless to lossy (e.g. PNG to JPEG) may reduce quality. Converting lossless-to-lossless (e.g. PNG to WebP lossless) preserves all quality.
Free, instant, and 100% private. Your files are processed locally in your browser.