About excelsort.com
Our Mission: Privacy-First Productivity
In 2024, we noticed a disturbing trend: every "free online tool" required you to upload your sensitive spreadsheets to unknown servers. Financial reports, employee data, customer lists — all transmitted across the internet to be "processed" by companies with vague privacy policies.
We built excelsort.com to change that. Our philosophy is simple: Your data should never leave your device.
How We're Different
🔒 Zero Server Upload
Unlike competitors like Aspose, Zamzar, or CloudConvert, we use WebAssembly technology to run Excel processing directly in your browser. No file ever touches our servers because we literally don't have file storage infrastructure.
⚡ Lightning Fast
No upload time. No download time. No "processing queue." Merge a 50MB workbook in under 2 seconds, all happening locally on your CPU.
🌍 Works Offline
Once the page loads, you can disconnect from the internet. The tool keeps working because it's running in your browser's sandbox, not on a cloud server.
Who We Serve
- Finance Professionals: Merge quarterly reports without exposing proprietary data.
- HR Departments: Consolidate employee data while maintaining GDPR/CCPA compliance.
- Data Analysts: Split massive datasets for easier processing without file size upload limits.
- Small Businesses: Access enterprise-grade tools without subscription fees.
Open Source Philosophy
We believe transparency builds trust. While our core UI is proprietary, we rely heavily on open-source libraries like SheetJS and contribute back to the community through bug reports and feature sponsorships.
Got questions? We're a small team passionate about privacy. Reach out via our Contact page.