Convert XLSX to JSON online in seconds — free, with no sign-up. Your files are encrypted and deleted automatically after 24 hours.
XLSX
Microsoft Excel — Excel's format storing sheets, formulas and charts as XML.
How to convert XLSX to JSON
- 1Upload your XLSX file
Click “Choose a file” or drag and drop your XLSX file onto the page — no sign-up or email needed.
- 2Convert to JSON
JSON is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your JSON file
Your JSON file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
Frequently asked questions
Does converting XLSX to JSON lose quality?
Converting XLSX to JSON keeps your content intact. We use high-quality defaults so your JSON file looks as close to the original as the format allows.
Is the XLSX to JSON converter free?
Yes — converting XLSX to JSON is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my XLSX files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert XLSX to JSON on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert XLSX to JSON?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert XLSX files to?
Besides JSON, you can convert XLSX to CSV, ODS, PDF, TSV, YAML and more — see the full list of XLSX conversions below.
Other conversions
Last updated July 2026