Functional JSON viewer

by Dmytro · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Modern JSON formatter and explorer.

Users

210

+41 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#62K

#52K among extensions

Version

0.0.12

updated 25 Jul 2024

Users

monthly, 3 years

Latest, 15 Oct 2026: 210 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

Latest, 15 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Functional JSON viewer

Why to use: - Foldable & filterable & focusable nodes - (Shift-)Tab navigation - Show node path on focus & hover - Keymaps (Vim inspired) - Clickable links - Light & dark theme - Converting JSON - Screenshot (JSON to image .jpeg) --- Functionality: - Filter nodes (text or RegExp) - Collapse all nodes - Expand all nodes - Save JSON - Copy JSON - Copy node - Copy node path - Switch formatted & raw data - Sticky panels --- Convert JSON to: - JSON schema - Typescript interfaces (.d.ts) - Golang structs (.go) --- Keymaps: h | ArrowLeft - move focus left (parent node) j | ArrowDown - move focus down (next sibling) k | ArrowUp - move focus up (previous sibling) l | ArrowRight - move focus right (child node) c - collapse all child nodes e - expand all child nodes y - copy node p - copy node path --- Tips: On large file, better search: 1. Click collapse all 2. Use native browser search (Ctrl+f) 3. Browser will auto expand matched nodes --- Code: https://github.com/diogenesofweb/fjv