JSONSheet Excel → JSON API
Turn any public .xlsx file into clean JSON in under 200 ms. No keys, no vendor lock-in — MIT-licensed & self-hostable.
Get StartedBuilt-In Features
Smart Header Detection
Automated header normalization for clean JSON keys.
AI-Assisted Cleanup
Blank/dupe removal, date & currency fixes out of the box.
Dupes & Blanks Pruning
Only the data you need—empty or repeat rows dropped.
Rate-Limited Public API
100 req/min & 5 000/day free tier to protect your service.
Link Normalization
Understands Google Drive, Dropbox & S3 links instantly.
Docker Self-Host
One-line Docker deploy. Full control in your own VPC.
Supported Platforms
Google Drive
Fetch any public .xlsx via Google Drive share link.
Dropbox
Works with public Dropbox URLs out of the box.
iCloud
Parse sheets hosted on iCloud with public links.
Amazon S3
Supports S3 presigned URLs for secure access.
What You Get Today
Fast JSON Output
Convert spreadsheets in under 200 ms.
AI-Assisted Parsing
Auto-snake-case headers, fix data types, drop blank/dupes.
Customizable Cleanup
Flags to remove blank rows, duplicates, or non-data.
Self-Host or Cloud
MIT Docker image or public API—your choice.
Instant Value
Live Dashboards
Pipe sheets into Chart.js, Grafana or Superset instantly.
Zero-Code ETL
Cron-fetch & upsert to Postgres with one request.
No-Code Workflows
Zapier, Make, Slack & Airtable integrations.
On-Prem Compliance
Run in your VPC for full GDPR/HIPAA isolation.
How It Works
Get a Public Link
Upload your .xlsx to Drive, Dropbox, etc., share publicly.
Send a POST Request
POST to https://api.jsonsheet.com/convert with your link.
Consume Your JSON
Use the JSON in your frontend, backend, dashboards, or no-code tools.
Feature Comparison
| Feature | JSONSheet | Excel Libraries |
|---|---|---|
| Smart Header Detection | ✔ | ✖ |
| AI Cleanup | ✔ | ✖ |
| Blank/Dupe Pruning | ✔ | ✖ |
| Cloud & Self-Host | ✔ | ✖ |
| Instant API | ✔ | ✖ |
Integrates Anywhere
Frequently Asked Questions
How fast is JSONSheet?
Most files return JSON in under 200 ms.
Can I self-host?
Yes—MIT-licensed Docker image for unlimited use.
What file types work?
Any .xlsx from Google Drive, Dropbox, iCloud or S3.
API keys needed?
No keys required today—optional RBAC soon.
Data privacy?
Files stream in memory and are discarded after parsing.
API Status
API Uptime
Operational
Parser Engine
Operational
Webhook Delivery
Operational
JSON Output Service
Operational