How to convert Excel to JSON
- Select your Excel file (or drag & drop it) — the file never leaves your device.
- Adjust the conversion options if you need to — the defaults work great for most files.
- Click the convert button and let your browser process the file locally.
- Download your new JSON file. Done — in four quick steps.
Why convert Excel to JSON?
There are plenty of good reasons to convert Excel to JSON — here are the ones that matter most:
Structured data is parsed and rebuilt in JSON format, so you can open it in any modern tool without reformatting.
JSON opens natively in virtually every app, browser and operating system, which makes it the safest choice for sharing.
Because all processing happens on your device, converted files are ready to download in seconds — even on slower connections.
Excel vs JSON: what changes?
Here's how Excel and JSON differ at a glance — this is exactly what the conversion changes for your file:
| Property | Excel | JSON |
|---|---|---|
| Compression | — | — |
| Transparency | — | — |
| Animation | No | No |
| Vector graphics | — | — |
| Compatibility | Excellent | Excellent |
Format information
About Excel
- Compression
- —
- Transparency
- —
- Compatibility
- Excellent
About JSON
- Compression
- —
- Transparency
- —
- Compatibility
- Excellent
Frequently asked questions
Is the Excel to JSON converter really free?
Yes. Every tool on converteren.com is free, with no sign-up, no watermarks and no hidden limits on the number of files you can convert.
Is my file uploaded to a server?
No. The conversion runs entirely in your browser using modern web technology. Your Excel file never leaves your device — you could even disconnect from the internet after loading the page.
Will the quality be affected?
That depends on the formats involved. Structured data is parsed and rebuilt in JSON format, so you can open it in any modern tool without reformatting.
How large can my file be?
You can convert files up to 100.0 MB in this tool. Because processing happens locally, the practical limit also depends on your device's memory — modern laptops and phones handle large files comfortably.
Do I need to install anything?
No. Converteren.com works in any modern browser — Chrome, Firefox, Safari or Edge — on desktop and mobile. There's nothing to download or install.