3 items
Convert spreadsheets between common formats, locally in your browser. Files are processed on your device and never uploaded. The simplest, safest way to convert modern Excel files to legacy formats. Do you have older software that only accepts the classic .xls format? Excel Converter Pro is a lightweight tool designed to bridge the gap between modern spreadsheets and legacy systems. Key Features: Privacy First: Unlike online converters, your files are NEVER uploaded to a server. All conversion happens locally in your browser. Drag & Drop: Simply drag your .xlsx file into the window and click convert. High Fidelity: Powered by the industry-standard SheetJS engine for reliable data preservation. No Size Limits: Process large workbooks without waiting for uploads or downloads from a remote server. How to use: Pin the extension to your toolbar. Click the icon to open the converter window. Drag and drop your excel file. Click "Convert to .XLS" and choose where to save your new file. Permissions Explained: Downloads: Needed solely to save the converted file to your computer. No Identity/Data Access: We don't see your spreadsheets, your emails, or your browsing history.
Aug 21, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.