--- title: "FeHelper - JSON格式化、编解码、二维码、开发者工具箱 – Chrome extension stats, history and permissions" description: "200,000 users, rated 4.00 by 342 people. Version 2026.11.23, updated 2026-11-11. Requests 12 permissions." url: "https://extensiontracker.com/extension/pkgccpejnmalmdinmhkkfafefagiiiad" --- # FeHelper - JSON格式化、编解码、二维码、开发者工具箱 Live in the Chrome Web Store. - Users: 200,000 - Rating: 4.00 from 342 ratings - Last checked: 2026-11-12 05:54 UTC - Users gained in 7 days: No change - Users gained in 30 days: No change (+0.0%) - Rank by users: #784 of 292,131 live extensions - Rank in Developer Tools: #73 of 30,442 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > 30+开发者工具集：JSON格式化/BigInt精度/对比、编解码(Base64/URL/Unicode/Gzip/JWT)、时间戳/FILETIME转换、二维码/条形码、UUID/雪花ID生成、代码美化、正则、取色、Postman、进制转换等，按需安装！ - Extension ID: `pkgccpejnmalmdinmhkkfafefagiiiad` - Developer: [www.baidufe.com](https://extensiontracker.com/developer/u5ba174754505ec7eaa86a43bdf7e1f42) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer) - First published: 2011-11-13 - Last updated: 2026-11-11 - Version: `2026.11.23` - Size: 2.53 MiB - Minimum Chrome: 88 - Languages (1): 中文（中国） - Website: `fehelper.com` - Support page: `https://github.com/zxlie/FeHelper/issues` - Chrome Web Store: - View its code or download CRX: - Search Google for the ID: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | Checked | Users | Rating | Ratings | | --- | ---: | ---: | ---: | | 2026-11-12 | 200,000 | 4.00 | 342 | | 2026-11-07 | 200,000 | 4.00 | 342 | | 2026-11-03 | 200,000 | 4.00 | 342 | | 2026-11-01 | 200,000 | 4.00 | 342 | | 2026-10-26 | 200,000 | 4.00 | 343 | | 2026-10-21 | 200,000 | 4.04 | 343 | | 2026-10-16 | 200,000 | 4.04 | 343 | | 2026-10-14 | 200,000 | 4.04 | 343 | | 2026-10-07 | 100,000 | 4.59 | 343 | | 2026-09-29 | 200,000 | 4.59 | 343 | | 2026-09-27 | 200,000 | 4.59 | 343 | ## What changed Every change found on a check, newest first. - 2026-11-12: New version `2026.11.23`, replacing `2026.11.22`. - 2026-11-07: New version `2026.11.22`, replacing `2026.11.21`. - 2026-11-03: New version `2026.11.21`, replacing `2026.10.20`. - 2026-10-26: New version `2026.10.20`, replacing `2026.10.19`. - 2026-10-21: New version `2026.10.19`, replacing `2026.10.15`. - 2026-10-16: New version `2026.10.15`, replacing `2026.8.18`. ## Developer history Moves to another publisher account and new contact emails, newest first. No move to another account and no new contact email since tracking began on 2026-09-27. We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/). ## What it can access From the extension's manifest, in plain language. **Every website:** it can read and change your data on all the sites you visit. ### Sites - `file://*/*`: Every website - `http://*/*`: Every website - `https://*/*`: Every website ### Sites where it runs scripts - `file://*/*`: Every website - `http://*/*`: Every website - `https://*/*`: Every website ### Browser features - `activeTab`: The tab you're on, only after you click the extension - `alarms`: Run tasks on a schedule - `contextMenus`: Add items to the right-click menu - `notifications`: Show notifications - `scripting`: Run scripts on sites it can reach - `storage`: Save settings and data in your browser - `tabs`: Read the addresses and titles of your tabs - `unlimitedStorage`: Store more data than the usual limit - `webNavigation`: Follow your browsing, page by page ### Asked for later, if you agree - `downloads`: Manage your downloads ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [TableExporter - 表格导出神器](https://extensiontracker.com/extension/kiiicbilcnneedomahkhhmmoaojdcdmo) | 1,000 | 5.00 | 4 | Tools | All 2 extensions by [www.baidufe.com](https://extensiontracker.com/developer/u5ba174754505ec7eaa86a43bdf7e1f42). ## About this data Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-11-12 05:54 UTC; next check around 2026-11-18. How the data is collected: . ## Cite this page Extension Tracker. “FeHelper - JSON格式化、编解码、二维码、开发者工具箱” (pkgccpejnmalmdinmhkkfafefagiiiad). Chrome Web Store data, last checked 2026-11-12. https://extensiontracker.com/extension/pkgccpejnmalmdinmhkkfafefagiiiad. Accessed 2026-11-13. ```bibtex @misc{extensiontracker_pkgccpejnmalmdinmhkkfafefagiiiad, title = {FeHelper - JSON格式化、编解码、二维码、开发者工具箱 (pkgccpejnmalmdinmhkkfafefagiiiad)}, author = {{Extension Tracker}}, year = {2026}, note = {Chrome Web Store data, last checked 2026-11-12}, url = {https://extensiontracker.com/extension/pkgccpejnmalmdinmhkkfafefagiiiad}, urldate = {2026-11-13} } ``` --- From Extension Tracker, a public record of the Chrome Web Store: . It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.