📄 Document Converter
Convert JSON to XLSX — Free & Private
Convert JSON data to an Excel spreadsheet — import API data directly into a workbook.
✓ Free forever✓ No upload✓ No signup✓ Instant
Ready to convert your JSON?
100% in your browser · No file size limit · No account needed
How to Convert JSON to XLSX
1
Open the Converter
Click "Convert Now" to open with JSON → XLSX pre-selected.
2
Upload Your JSON
Drag & drop your JSON file or click Browse to select it.
3
Convert Instantly
Conversion happens entirely in your browser — nothing uploaded.
4
Download XLSX
Your converted XLSX file downloads automatically.
Why Convert JSON to XLSX?
- 🛠️ From JSON — convert structured API and app data to human-readable formats
- 📊 Fully editable — open in Excel, Google Sheets, or LibreOffice Calc
- 🔢 Add formulas — apply calculations, pivot tables, and charts
- 📈 Data analysis ready — sort, filter, and visualize your data
- 🌍 Universal spreadsheet — XLSX is the standard for data exchange
- 🔒 100% private — files never leave your device
Features
100% Private
Files never leave your browser. Zero server uploads.
Instant
In-browser processing — no server queue, no waiting.
Free
No account, no fee, no watermarks. Ever.
Format Accurate
Preserves text, structure, and data as closely as possible.
Mobile-Friendly
Works on any device — phone, tablet, desktop.
No Install
Nothing to download. Works in any modern browser.
Frequently Asked Questions
Formulas from the source are not re-created; values are placed in cells. Add formulas after conversion.
Yes — upload to Google Drive and open with Google Sheets.
Yes — 100% free, no limits, no watermarks, no account needed.
No. All conversion happens locally in your browser. Your files never leave your device.
Drop multiple files onto the converter to process them in sequence.