XLSB Converter
Turn any XLSB file into the format you need. Conversion is free, needs no signup, and your files are deleted from our servers after 2 hours.
Free
no account needed
Frankfurt
stored in the EU
2 hours
then files are deleted
New conversion
Any format in, the right format out
Drag and drop your files here, or import from:
Upload files up to 100 MB in any format
- XLS
- XLSB
- XLSM
- XLSX
- XLT
- XLTM
- XLTX
- CSV
How to convert XLSB files
Everything happens on this page, in any modern browser, with nothing to install.
Upload your XLSB file
Drag and drop your XLSB file or browse from your device, Google Drive, Dropbox, or OneDrive.
Pick the format
Choose one of the formats your XLSB file converts to, then press Convert.
Download your file
Most files are ready in seconds.
What you get from the XLSB converter
Here you can turn XLSB into PDF.
- 01
Each XLSB file you add comes back as its own download, under its original name.
- 02
With several results, Download all saves them all with one click.
- 03
If one file in a batch fails, the others still finish, and the result says what went wrong.
XLSB
XLSB is a Microsoft Excel binary workbook. It holds the same sheets, formulas, and macros as XLSX and XLSM but in a binary encoding that opens and saves faster for very large workbooks.
Convert from XLSB
Convert your XLSB files to other formats quickly and easily. Choose a target format below to get started.
Frequently asked questions
Still have questions? Contact support.
Is it free to convert XLSB files?
Yes, the XLSB converter is completely free. You can convert files up to 100 MB and up to 10 files per batch, and no signup or account is required.
Will converting XLSB files affect the quality?
Our converter preserves the original quality of your XLSB files during conversion. The output maintains formatting, layout, and visual fidelity as closely as possible.
Can I convert multiple XLSB files at once?
Yes. You can convert up to 10 XLSB files in a single batch. Drag and drop all the files at once, and Novitora processes them together.
Is my data safe when converting XLSB files?
Your files upload to Novitora servers over an encrypted TLS connection and are automatically deleted 2 hours after upload. Data is stored in the EU (Frankfurt), and we follow SOC 2-aligned security practices.
What devices can I use to convert XLSB files?
Novitora works in any modern web browser on desktops, laptops, tablets, and phones. There is nothing to install: open the page, upload your XLSB file, and download the result.
Your data, our priority
At Novitora, we convert your files and protect them. Your data is covered end to end: encrypted transfers, storage in the EU, and automatic file deletion 2 hours after upload.
SecuritySSL/TLS encryption
Files travel over encrypted connections and stay encrypted while they are processed.
Secured data centers
Processing happens in hardened data centers with continuous monitoring.
Access control and authentication
Strict access controls ensure only you can reach your files before they are automatically deleted.
- SOC 2-aligned practices, GDPR-ready
- Files auto-delete after 2 hours
- Files stored in Frankfurt, EU