Tool & Platform Beginner

JSON Hero

Trigger.dev

LevelBeginner
Who it's forFrontend and backend developers reading large JSON files
LanguageEnglish
PriceFree
PricingFree
Sign-upNo sign-up
Free tierCompletely free and open source, self-hostable
Chinese supportUnverified
TypeTool & Platform
CategoryDeveloper Tools
Link check2026-10-23

Overview

Open-source JSON viewer with column, tree and editor views. Auto-detects images, dates and colors for preview, and generates share links.

Use cases

  • API response viewing
  • Data debugging
  • Team sharing

Notes

Data pasted to the public site is stored on third-party servers; self-host for sensitive data.

JSONOpen sourceViewer
Visit resource β†—

https://jsonhero.io/