generate xlsx test files
Generate realistic Excel spreadsheets with custom columns and row counts. Perfect for QA testing, data migration validation, upload limit testing, and database seeding. 100% free, no signup required.
frequently asked questions
Can I generate XLSX files without signing up?
Yes! BlobForge generates XLSX files entirely in your browser with no signup, no login, and no data sent to any server.
Will the generated file open in Microsoft Excel?
Absolutely. BlobForge creates valid .xlsx files using the Office Open XML format, compatible with Microsoft Excel, Google Sheets, LibreOffice Calc, and all modern spreadsheet applications.
How many rows can I generate?
Up to 100,000 rows of realistic fake data including names, emails, phone numbers, addresses, and more — all generated client-side.
What columns are available?
BlobForge supports 10 column types: ID, Full Name, Email, Phone, Address, Company, Date, Amount, Country, and Job Title.