Spreadsheet Tools
XLSB to CSV API Overview
Convert Excel XLSB workbooks to CSV for ingestion by downstream systems and scripts. Choose which worksheets to export using active sheet, index ranges, or name ranges, and process password‑protected files when necessary. Produce clean, line‑delimited output suited for data pipelines, analytics, and archival. Designed for automation, the converter handles single files or batches consistently so results remain predictable across environments and input variations.
Lightning Fast Conversions
Process and convert files in seconds with our high-performance cloud infrastructure.
Accuracy Guaranteed
Our advanced algorithms ensure pixel-perfect and content-accurate file conversions.
Enterprise-Grade Security
ISO 27001, HIPAA, and GDPR compliant with encrypted file processing.
Global Infrastructure
Strategically located servers ensure low latency and high availability worldwide.
Developer Friendly
Comprehensive SDKs and clear documentation for quick and simple integration.
Time-Saving Automation
Automate repetitive document workflows and focus on what matters most.
Customizable Parameters
Fine-tune your automation with these powerful conversion options
File
File Supported formats: .xlsbFile to be converted. Value can be URL or file content.
Password
StringSets the password to open protected documents.
WorksheetActive
Bool Default: FalseSet to convert active worksheet. If value is set False all worksheet will be converted.
WorksheetIndex
StringSet one or several worksheet indexes(number) separated by comma to convert. If value is not set all worksheet will be converted.
WorksheetName
StringSet one or several worksheet names separated by comma to convert. If value is not set all worksheet will be converted.
StoreFile
Bool Default: FalseWhen the StoreFile parameter is set to True, your converted file is written to ConvertAPI’s encrypted, temporary storage and made available via a time-limited secure download URL, valid for up to 3 hours. After this period, the file is permanently deleted.
When StoreFile is set to False, conversion happens entirely in-memory. The raw file bytes are streamed back in the API response without touching disk or external storage, ensuring maximum security and zero persistence so that only you can access the content.
Integrate within minutes
Easy XLSB to CSV automation using our simple REST-API
Businesses trust us
Highest rated File Conversion API on major B2B software listing platforms: Capterra, G2, and Trustpilot.
"ConvertAPI has been a game-changer for our document automation workflows. Their conversion accuracy and API reliability are unmatched in the industry for over 7 years."
"ConvertAPI is a reliable, cost-effective solution with a proven track record of stability. It has grown significantly in maturity, adopting enterprise-grade practices over the years."
"We've integrated ConvertAPI across our entire document processing platform. The performance is exceptional and the support team is always responsive. Highly recommended!"
Enterprise-Grade Security
We ensure that all document processing is handled securely in the cloud, adhering to industry-leading standards like ISO 27001, GDPR, and HIPAA. To enhance security even further, we can ensure that no files or data are stored on our servers and never leave your country.
Learn more about security