How to convert Excel 97 to JSON
- 1 Drop your Excel 97 files onto the page, or click “Choose files”. You can add many at once, or a whole folder.
- 2 JSON is already selected as the output. Optionally open Options to adjust sheet, every sheet as its own file.
- 3 Click Convert, then Save. Converting several files? Save them all as one ZIP.
About the formats
Excel 97 · Excel 97–2003 workbook
XLS is the older binary Excel format used before 2007. Many newer tools no longer read it.
JSON · JavaScript Object Notation
JSON is the most common data format for APIs, configuration files and web apps.
The conversion runs on your device using pdf.js, pdf-lib, pdfmake, mammoth and SheetJS. You can adjust: sheet, every sheet as its own file.
Frequently asked questions
How do I convert Excel 97 to JSON?
Drop your Excel 97 files onto the page, or click “Choose files”. You can add many at once, or a whole folder. JSON is already selected as the output. Optionally open Options to adjust sheet, every sheet as its own file. Click Convert, then Save. Converting several files? Save them all as one ZIP.
Are my files uploaded to a server?
No. The conversion runs entirely in your browser using WebAssembly. Your files never leave your device, so it is safe for private photos, contracts and business data. Once the page has loaded it even works offline.
Will converting Excel 97 to JSON reduce quality?
No. Both Excel 97 and JSON keep full quality, so the conversion is lossless.
Can I convert multiple Excel 97 files to JSON at once?
Yes. Add as many Excel 97 files as you like; they are converted in parallel on your device and you can download them all as a single ZIP.
Is it free? Are there limits?
It is free, with no sign-up, no watermark and no daily limits. Because nothing is uploaded there is no upload size limit either; the only limit is your device’s memory, which matters mostly for very large videos.
Convert Excel 97 to other formats
Convert other formats to JSON
See everything the Excel 97 converter and the JSON converter can do.