JSON Viewer
Developer Tools
Validates and makes JSON documents easy to read. Open source.
Users
100K
Rating
4.2
Reviews
157
7D Growth
0|0%
Growth signalUnknownMedium-risk permissions
JSON Peek — JSON Viewer, Formatter, Tree & jq Filter
Fast JSON viewer & formatter. Collapsible tree, search, jq filter, JSONL support, copy path, export. Private, no tracking.
Users6Current public install base
Rating4.0Store average score
Reviews1Public review volume
Manifest versionV3Extension platform version
7-day growth+1Net users gained this week
7-day growth rate+20%Relative weekly velocity
Preview
6 assetsJSON Peek — JSON Viewer, Formatter, Tree & jq Filter Media preview
Trend
User growth trend
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User Growth Over Time
Rating trend
7-day rating trend
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7-day rating change
Start
4.00
Latest
4.00
7-day rating change
0.00
2026年7月21日2026年7月27日
Growth overview
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1-day growthNo data
----7-day growthGrowing
+1+20%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
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Version1.0.0
ManifestV3
Size40.12KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview
Product summary
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JSON Peek turns raw JSON and API responses into a clean, collapsible, syntax-highlighted tree the moment you open them — no copy-pasting into another tool. Built for developers who live in API endpoints, config files, and logs, it stays fast on huge payloads, handles the messy real-world cases other viewers choke on, and never sends your data anywhere.
⚡ Fast on large files
Virtualized rendering keeps scrolling, expanding, and collapsing smooth even on multi-megabyte documents with tens of thousands of nodes. Only what's on screen is drawn, so big responses don't freeze the tab.
🌳 Readable tree, instantly
Collapsible objects and arrays with indent guides, item and key counts on collapsed nodes, syntax colours for every data type, clickable links, and line-level structure. Expand-all and collapse-all in one click.
🔎 Search that finds things
Reviews
Recent review snapshot
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Store average score4.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.0Average computed only from synced review bodies below
Reviews with text1Synced review bodies
Total ratings / reviews1Chrome Web Store public rating/review count
Store average score: 4.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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1.主题没有办法在scratchpad起作用。目前scratchpad永远都是黑色主题 2.在scratchpad界面，无法进行节点的折叠展开和计算数量