Instantly format JSON, generate TypeScript interfaces, and infer SQL schemas - all in one click.
Users
24
+22 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#142K
#118K among extensions
Version
1.0.0
updated 13 Jul 2026
Users
monthly, 3 months
Latest, 16 Oct 2026:24 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 16 Oct 2026:0 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 PayloadPeek
PayloadPeek is a developer tool that transforms raw JSON into something actually useful β instantly.
CORE FEATURES
π JSON Formatter
Paste any JSON and see a beautiful, syntax-highlighted, collapsible tree. Click any node to expand or collapse it. Collapsed nodes show a preview so you always know what's inside.
π TypeScript Interface Generator
Paste an API response and get a ready-to-use TypeScript interface in one click. Handles nested objects, arrays, nullable fields, and optional properties automatically.
ποΈ SQL Schema Generator
Infers a CREATE TABLE statement from your JSON structure. Detects timestamps, maps types correctly, and suggests child tables for arrays.
π Search (Ctrl+F)
Find any key or value instantly with match count and next/previous navigation.
π Copy Anything
Click any value to copy it. Hover any object or array node to copy that entire node as formatted JSON.
βοΈ Full Tab Mode
Open PayloadPeek in a full browser tab for large JSON files. Content transfers automatically.
π Auto-detect JSON Pages
Visit any URL that returns raw JSON β PayloadPeek automatically replaces the browser's default view with the full interactive tree.
π Dark / Light Mode
Follows your system preference by default. Toggle anytime.
PRIVACY
All processing is 100% local. No data ever leaves your browser. No analytics, no tracking, no servers.
Built by ShipNano β small tools. shipped.