~/chrome/extensions › jsonlens

Raw JSON is ugly.
JSONLens makes it readable.

A Chrome extension that takes any raw JSON URL and renders it with syntax highlighting, collapsible nodes, and a typographic palette designed for long sessions. No config. No bloat.

+ Add to Chrome → See it in action
01 · Before & After
raw response 
{"$schema":"https://openapi.vercel.sh/vercel.json","name":"jsonlens","bunVersion":"1.x","active":true,"downloads":42,"author":null,"tags":["json","viewer","devtools"]}
with jsonlens
[-]{ "$schema": "https://openapi.vercel.sh/vercel.json", "name": "jsonlens", "bunVersion": "1.x", "active": true, "downloads": 42, "author": null, "tags": ["json", "viewer", "devtools"] }
02 · Token Colors
palette 5 tokens
keys"$schema"
strings"JSONLens.json"
numbers42
booleanstrue
nullnull
03 · What's inside
// 01
auto_detect
Navigate to any .json URL or endpoint returning application/json — JSONLens activates instantly. Zero clicks.
// 02
collapsible_tree
Click any [-] marker to fold an object or array. Huge payloads stay navigable instead of blowing up your scroll.
// 03
copy_path
Right-click any value to copy its full JSON path — perfect for jq, lodash.get, or just shouting it across Slack.
// 04
zero_telemetry
No tracking. No network calls. No analytics. Your API responses stay on your machine, exactly where they belong.
// install

"ready_in_one_click": true

Free, open source. Navigate to any raw JSON URL after installing to activate.

+ Add to Chrome →