--- title: "Developer Tools extensions, page 3 – Extension Tracker" description: "30,442 live Chrome extensions in Developer Tools, ranked by users, with their ratings and last updates." url: "https://extensiontracker.com/category/productivity/developer?page=3" --- # Developer Tools A category in [Productivity](https://extensiontracker.com/category/productivity). - Live extensions: 30,442 - Users in all: 120,233,473 Ranked by users, as the store shows them. Page 3 of 305. | # | Extension | Developer | Users | Rating | Updated | | ---: | --- | --- | ---: | ---: | --- | | 201 | [Claude Session Key](https://extensiontracker.com/extension/ppofmhjkjfinjpidlidepeonimpjmadj) | niccolosabato | 60,000 | 4.67 | 2026-09-28 | | 202 | [Simple Proxy Switcher](https://extensiontracker.com/extension/pcboajngloecgmaailkmphmpbacmbcfb) | maksam07 | 60,000 | 4.52 | 2025-06-24 | | 203 | [HTML Error Checker](https://extensiontracker.com/extension/ohdllebchmmponnofchalfkegpjojcaf) | Zuma/kzms2 | 60,000 | 4.33 | 2025-04-08 | | 204 | [Wizdler](https://extensiontracker.com/extension/oebpmncolmhiapingjaagmapififiakb) | Peter Prikryl | 60,000 | 4.61 | 2026-07-20 | | 205 | [FlashPlayer - SWF to HTML](https://extensiontracker.com/extension/nodnmpgjlnclahkmgjiinfjklgbbgecg) | chandler.stimson | 60,000 | 3.46 | 2025-08-18 | | 206 | [ClouDoc Chrome Ext](https://extensiontracker.com/extension/mhocmmnceidnldpneiioaglmmgkhhmgh) | sinzemitne | 60,000 | 1.75 | 2023-01-05 | | 207 | [Salesforce advanced Code searcher](https://extensiontracker.com/extension/lnkgcmpjkkkeffambkllliefdpjdklmi) | Sameer N Miraj | 60,000 | 3.73 | 2024-11-06 | | 208 | [View Image Info (properties)](https://extensiontracker.com/extension/jldjjifbpipdmligefcogandjojpdagn) | extfan | 60,000 | 3.72 | 2023-03-20 | | 209 | [X Pixel Helper](https://extensiontracker.com/extension/jepminnlebllinfmkhfbkpckogoiefpd) | X | 60,000 | 3.46 | 2026-09-17 | | 210 | [Fontanello](https://extensiontracker.com/extension/jdlhfjlpaijjhklfadlhbbmpjfddkglc) | Fred Bergman | 60,000 | 4.60 | 2024-04-22 | | 211 | [Google Apps Script Tools](https://extensiontracker.com/extension/iigobcdpmngdgiacebgenbccmdacnjhp) | Rubén Sánchez | 60,000 | 2.75 | 2026-06-25 | | 212 | [Live editor for CSS, Less & Sass - Magic CSS](https://extensiontracker.com/extension/ifhikkcafabcgolfjegfcgloomalapol) | webextensions.org | 60,000 | 4.63 | 2024-07-24 | | 213 | [Socks5 Configurator](https://extensiontracker.com/extension/hnpgnjkeaobghpjjhaiemlahikgmnghb) | TxThinking | 60,000 | 4.28 | 2023-07-12 | | 214 | [ProxyControl — Proxy Switcher & Manager](https://extensiontracker.com/extension/hjocpjdeacglfchomobaagbmipeggnjg) | PROXYS.IO | 60,000 | 3.99 | 2026-10-30 | | 215 | [CookieManager - Cookie Editor](https://extensiontracker.com/extension/hdhngoamekjhmnpenphenpaiindoinpo) | joue.quroi | 60,000 | 3.39 | 2026-09-01 | | 216 | [Website IP](https://extensiontracker.com/extension/ghbmhlgniedlklkpimlibbaoomlpacmk) | websiteip | 60,000 | 4.39 | 2024-05-28 | | 217 | [tweak: mock and modify HTTP requests](https://extensiontracker.com/extension/feahianecghpnipmhphmfgmpdodhcapi) | tweak | 60,000 | 4.52 | 2026-11-11 | | 218 | [Yet Another REST Client](https://extensiontracker.com/extension/ehafadccdcdedbhcbddihehiodgcddpl) | Paul Hitz | 60,000 | 4.44 | 2025-02-25 | | 219 | [HttpWatch: HTTP Debugger](https://extensiontracker.com/extension/dajhhgiioackgdldomhppobgjbinhimh) | NEUMETRIX LIMITED | 60,000 | 2.53 | 2026-10-22 | | 220 | [TagHound - Analytics/GTM/Pixel Debugger](https://extensiontracker.com/extension/canpneabbfipaelecfibpmmjbdkiaolf) | Assaf Trafikant | 60,000 | 4.77 | 2024-12-27 | | 221 | [Screenshot Helper](https://extensiontracker.com/extension/bglibfjmlfdbdeofhmgmhblgpjldlikf) | map.hunt.game | 60,000 | 4.25 | 2025-05-14 | | 222 | [Light QRcode](https://extensiontracker.com/extension/pmpklfpmdhjefcdgdajeplahennjhecf) | nslirui8 | 50,000 | – | 2023-03-20 | | 223 | [CF-Predictor](https://extensiontracker.com/extension/ocfloejijfhhkkdmheodbaanephbnfhn) | Wsl\_F | 50,000 | 3.27 | 2022-11-28 | | 224 | [Tag Explorer](https://extensiontracker.com/extension/obhceflecohdhjjomleeakkogaiclhoo) | InfoTrust, LLC | 50,000 | 4.19 | 2026-09-11 | | 225 | [Debugger for Google Analytics 4 (GA4)](https://extensiontracker.com/extension/nomnoimacbncclfbnfaingniikblfbji) | James Yoon | 50,000 | 3.89 | 2024-09-12 | | 226 | [Canvas Blocker - Fingerprint Protect](https://extensiontracker.com/extension/nomnklagbgmgghhjidfhnoelnjfndfpd) | joue.quroi | 50,000 | 3.85 | 2026-04-14 | | 227 | [AMP Validator](https://extensiontracker.com/extension/nmoffdblmcmgeicmolmhobpoocbbmknc) | Google Ireland, Ltd. | 50,000 | 4.00 | 2024-01-17 | | 228 | [Pelagus](https://extensiontracker.com/extension/nhccebmfjcbhghphpclcfdkkekheegop) | Dominant Energies | 50,000 | 3.85 | 2026-10-23 | | 229 | [Robots Exclusion Checker](https://extensiontracker.com/extension/lnadekhdikcpjfnlhnbingbkhkfkddkl) | sam | 50,000 | 4.93 | 2026-03-04 | | 230 | [Web Maker](https://extensiontracker.com/extension/lkfkkhfhhdkiemehlpkgjeojomhpccnh) | Kushagra Gour | 50,000 | 4.75 | 2026-03-28 | | 231 | [Locale Switcher](https://extensiontracker.com/extension/kngfjpghaokedippaapkfihdlmmlafcc) | Locale Switcher | 50,000 | 4.45 | 2025-03-06 | | 232 | [ClonewebX Softlite.io](https://extensiontracker.com/extension/kejifndpehkapckhogiecndmachaeilp) | support | 50,000 | 3.58 | 2026-09-17 | | 233 | [KMF-Unblock](https://extensiontracker.com/extension/jlbknbfjajehjmfjegefddgegipadonb) | alvinbhou | 50,000 | 4.88 | 2024-08-31 | | 234 | [Alt & Meta viewer](https://extensiontracker.com/extension/jjcjblcbnjhgjlnclhficglfjedhpjhl) | googflogs.app | 50,000 | 4.20 | 2025-06-23 | | 235 | [Screen Ruler - Measure and Inspect the Web](https://extensiontracker.com/extension/jfbbgijjljfbolelfkopkhbfjajjampm) | Mr Violets | 50,000 | 4.25 | 2026-10-28 | | 236 | [Playwright CRX](https://extensiontracker.com/extension/jambeljnbnfbkcpnoiaedcabbgmnnlcd) | rui.figueira | 50,000 | 4.91 | 2025-06-13 | | 237 | [xPath Finder](https://extensiontracker.com/extension/ihnknokegkbpmofmafnkoadfjkhlogph) | Tomasz Rembacz | 50,000 | 3.38 | 2025-03-13 | | 238 | [RestMan](https://extensiontracker.com/extension/ihgpcfpkpmdcghlnaofdmjkoemnlijdi) | Joaquin Sargiotto | 50,000 | 4.35 | 2024-12-05 | | 239 | [IPRoyal Proxy Manager](https://extensiontracker.com/extension/gjakohbhfclfjmhhlenfdkldieofkpjl) | iproyaldevs | 50,000 | 3.94 | 2026-06-17 | | 240 | [All in One SEO Analyzer by AIOSEO](https://extensiontracker.com/extension/gdmkcblhddhhfejpfbjomilpgpbpjhhg) | chrome-devs | 50,000 | 4.93 | 2024-10-24 | | 241 | [Fake Data - A form filler you won't hate](https://extensiontracker.com/extension/gchcfdihakkhjgfmokemfeembfokkajj) | Hater Apps | 50,000 | 4.73 | 2026-03-18 | | 242 | [Altair GraphQL Client](https://extensiontracker.com/extension/flnheeellpciglgpaodhkhmapeljopja) | imolorhe | 50,000 | 4.54 | 2026-06-06 | | 243 | [SAP CPI Helper](https://extensiontracker.com/extension/epoggeaemnkacpinjfgccbjakglngkpb) | dbeckbauer | 50,000 | 4.91 | 2026-11-02 | | 244 | [Salesforce DevTools](https://extensiontracker.com/extension/ehgmhinnhggigkogkbhnbodhbfjgncjf) | xgeek.net | 50,000 | 4.25 | 2026-07-23 | | 245 | [Salesforce Inspector Advanced](https://extensiontracker.com/extension/dbfimaflmomgldabcphgolbeoamjogji) | olivier.duff | 50,000 | 4.42 | 2026-10-23 | | 246 | [Visual CSS Editor](https://extensiontracker.com/extension/cibffnhhlfippmhdmdkcfecncoaegdkh) | YellowPencil | 50,000 | 3.07 | 2026-11-11 | | 247 | [CSS Used](https://extensiontracker.com/extension/cdopjfddjlonogibjahpnmjpoangjfff) | BobScript | 50,000 | 3.92 | 2026-09-24 | | 248 | [UI5 Inspector](https://extensiontracker.com/extension/bebecogbafbighhaildooiibipcnbngo) | SAP OSS | 50,000 | 4.40 | 2026-11-05 | | 249 | [Xdebug Helper by JetBrains](https://extensiontracker.com/extension/aoelhdemabeimdhedkidlnbkfhnhgnhm) | JetBrains s.r.o | 50,000 | 4.85 | 2026-06-07 | | 250 | [AI Code Finder, Alerts, Ask Questions about Papers: CatalyzeX](https://extensiontracker.com/extension/aikkeehnlfpamidigaffhfmgbkdeheil) | gragtah | 50,000 | 4.76 | 2026-10-31 | | 251 | [Amplitude Event Explorer](https://extensiontracker.com/extension/acehfjhnmhbmgkedjmjlobpgdicnhkbp) | Amplitude | 50,000 | 4.35 | 2026-10-23 | | 252 | [LeetSync - Leetcode to Github Synchronizer](https://extensiontracker.com/extension/ppkbejeolfcbaomanmbpjdbkfcjfhjnd) | Ahmed Ghonem | 40,000 | 3.47 | 2024-02-12 | | 253 | [Rutor обход блокировки](https://extensiontracker.com/extension/pphakoegbpaabllnkbjadgpjckkbgdkp) | open.rutracker.org | 40,000 | 3.11 | 2026-10-13 | | 254 | [Captcha Solver: Auto captcha solving service](https://extensiontracker.com/extension/pgojnojmmhpofjgdmaebadhbocahppod) | capsolver.com | 40,000 | 3.15 | 2026-11-05 | | 255 | [Testim Editor](https://extensiontracker.com/extension/pebeiooilphfmbohdbhbomomkkoghoia) | Tricentis | 40,000 | 3.72 | 2026-11-02 | | 256 | [博达网站群扩展插件](https://extensiontracker.com/extension/oppephmgpagnoffkbinmjjijldjdkkoh) | chinawebber | 40,000 | 3.67 | 2022-09-20 | | 257 | [DESIGN.md Style Extractor - TypeUI](https://extensiontracker.com/extension/ogpdnchdjiibhobphelbbkemnnemkfma) | Bergside SRL | 40,000 | 5.00 | 2026-04-18 | | 258 | [EC Assist](https://extensiontracker.com/extension/ocbgeehdokdphajhdlbklbccnlknjnai) | Google Ireland, Ltd. | 40,000 | 2.61 | 2025-08-23 | | 259 | [LocatorJS](https://extensiontracker.com/extension/npbfdllefekhdplbkdigpncggmojpefi) | michael | 40,000 | 4.29 | 2024-09-15 | | 260 | [IPFS Companion](https://extensiontracker.com/extension/nibjojkomfdiaoajekhjakgkdhaomnch) | IPFS Foundation | 40,000 | 3.90 | 2026-07-23 | | 261 | [Cross Domain - CORS](https://extensiontracker.com/extension/mjhpgnbimicffchbodmgfnemoghjakai) | Mai Tan | 40,000 | 3.79 | 2026-06-01 | | 262 | [مدرستي بلس](https://extensiontracker.com/extension/maogiolhkdhjobnlobpkcpnmamnmilno) | afCode | 40,000 | 3.92 | 2025-09-13 | | 263 | [MeshNode](https://extensiontracker.com/extension/lobckpihghfknleknppdjnnncpcfpcgh) | meshchain.ai | 40,000 | 4.80 | 2025-05-19 | | 264 | [Google Apps Script GitHub Assistant](https://extensiontracker.com/extension/lfjcgcmkmjjlieihflfhjopckgpelofo) | leonhartX | 40,000 | 4.51 | 2025-03-12 | | 265 | [Sirenia Web Automation Driver](https://extensiontracker.com/extension/lbokehfhhclmidfioacglfeigplbccdj) | Alfa eCare ApS | 40,000 | 4.00 | 2026-05-28 | | 266 | [PageSpeed Insights (MV3)](https://extensiontracker.com/extension/lanlbpjbalfkflkhegagflkgcfklnbnh) | instwave.com | 40,000 | 3.48 | 2023-01-27 | | 267 | [Schema Builder for Structured Data](https://extensiontracker.com/extension/klohjdodjjeocpbpadmkcndjoadijgjg) | seoClarity | 40,000 | 3.65 | 2025-03-05 | | 268 | [Datadog test recorder](https://extensiontracker.com/extension/kkbncfpddhdmkfmalecgnphegacgejoa) | Datadog | 40,000 | 5.00 | 2026-09-02 | | 269 | [Amazon Video Downloader](https://extensiontracker.com/extension/jcdkfhhdoedcjnmfkcflklojgaiclahh) | YUNXI | 40,000 | 4.62 | 2026-06-29 | | 270 | [Copy Cookies](https://extensiontracker.com/extension/jcbpglbplpblnagieibnemmkiamekcdg) | MakKi | 40,000 | 4.75 | 2023-03-20 | | 271 | [NodeGo.Ai DePIN Connect](https://extensiontracker.com/extension/jbmdcnidiaknboflpljihfnbonjgegah) | Nodego.Ai | 40,000 | 4.71 | 2025-03-27 | | 272 | [Ethereum Gas Price Extension](https://extensiontracker.com/extension/innfmlnnhfcebjcnfopadflecemoddnp) | nieldlr | 40,000 | 4.75 | 2025-03-05 | | 273 | [CrapApi Http Test](https://extensiontracker.com/extension/ieoejemkppmjcdfbnfphhpbfmallhfnc) | https://api.crap.cn | 40,000 | 4.43 | 2025-03-11 | | 274 | [The Stream Detector](https://extensiontracker.com/extension/iakkmkmhhckcmoiibcfjnooibphlobak) | 54ac | 40,000 | 4.50 | 2023-07-10 | | 275 | [Vue.js devtools (v5)](https://extensiontracker.com/extension/hkddcnbhifppgmfgflgaelippbigjpjo) | vuejs-dev | 40,000 | 4.50 | 2024-10-31 | | 276 | [JSON Formatter](https://extensiontracker.com/extension/gpmodmeblccallcadopbcoeoejepgpnb) | Arnav Kumar | 40,000 | 4.41 | 2026-05-31 | | 277 | [simple-modify-headers](https://extensiontracker.com/extension/gjgiipmpldkpbdfjkgofildhapegmmic) | didierfred | 40,000 | 4.35 | 2024-06-10 | | 278 | [n8n Chat](https://extensiontracker.com/extension/flkdejchjaibellgdhchhjpacegdgmin) | Cameron Wills | 40,000 | 2.68 | 2026-11-09 | | 279 | [H-tag](https://extensiontracker.com/extension/fjigfcghoooegmndmejpoeoodplfmoca) | getnpower | 40,000 | 5.00 | 2026-07-29 | | 280 | [Google Font Previewer for Chrome](https://extensiontracker.com/extension/engndlnldodigdjamndkplafgmkkencc) | Pamela Fox | 40,000 | 3.40 | 2022-07-04 | | 281 | [Ona](https://extensiontracker.com/extension/dodmmooeoklaejobgleioelladacbeki) | Gitpod GmbH | 40,000 | 4.85 | 2026-08-03 | | 282 | [Clockwork](https://extensiontracker.com/extension/dmggabnehkmmfmdffgajcflpdjlnoemp) | itsgoingd | 40,000 | 4.95 | 2025-01-12 | | 283 | [RTL toggle](https://extensiontracker.com/extension/diimdfmlegodnjbcgajllidffehegdbc) | aris.magrin | 40,000 | 4.79 | 2025-02-12 | | 284 | [NetSuite Field Explorer](https://extensiontracker.com/extension/cekalaapeajnlhphgdpmngmollojdfnd) | Michoel Chaikin | 40,000 | 5.00 | 2024-08-08 | | 285 | [Modify Header Value (HTTP Headers)](https://extensiontracker.com/extension/cbdibdfhahmknbkkojljfncpnhmacdek) | Grephy | 40,000 | 3.29 | 2026-06-14 | | 286 | [Impeccable](https://extensiontracker.com/extension/bdkgmiklpdmaojlpflclinlofgjfpabf) | Renaissance Geek, Inc. | 40,000 | 4.83 | 2026-09-05 | | 287 | [Dark Theme for Google™](https://extensiontracker.com/extension/apiabgjfojnkcepfmbdechlhfocpeenc) | MeryDev | 40,000 | 3.84 | 2023-03-02 | | 288 | [Environment Marker](https://extensiontracker.com/extension/ahjhdebcnlgmojdmjnhikhakkghcchkk) | Geovanne Borges Bertonha | 40,000 | 4.83 | 2025-03-11 | | 289 | [FoxyCrown Cookie Manager](https://extensiontracker.com/extension/onnajjaicfnbdfhilnnnpgnofkikaihp) | OcilotX Solution | 30,000 | 5.00 | 2026-09-08 | | 290 | [PieSocket - WebSocket & SocketIO Test Client](https://extensiontracker.com/extension/oilioclnckkoijghdniegedkbocfpnip) | SaaS Village LLP | 30,000 | 4.29 | 2026-05-03 | | 291 | [React Context DevTool](https://extensiontracker.com/extension/oddhnidmicpefilikhgeagedibnefkcf) | Deep Patel | 30,000 | 4.23 | 2025-02-13 | | 292 | [Chrome Logger](https://extensiontracker.com/extension/noaneddfkdjfnfdakjjmocngnfkfehhd) | Craig Campbell | 30,000 | 3.83 | 2022-07-03 | | 293 | [SQLite Manager](https://extensiontracker.com/extension/njognipnngillknkhikjecpnbkefclfe) | lunu.bounir | 30,000 | 3.03 | 2026-04-19 | | 294 | [HTML Validator](https://extensiontracker.com/extension/mpbelhhnfhfjnaehkcnnaknldmnocglk) | Marc Gueury | 30,000 | 3.46 | 2022-12-28 | | 295 | [WebDev Mate](https://extensiontracker.com/extension/mofipfckigplmflkbpkodaglnoendjdj) | anthonyknight618 | 30,000 | – | 2024-11-20 | | 296 | [IBM Equal Access Accessibility Checker](https://extensiontracker.com/extension/lkcagbfjnkomcinoddgooolagloogehp) | IBM Accessibility | 30,000 | 4.88 | 2026-09-03 | | 297 | [ModHeader v2](https://extensiontracker.com/extension/lgicpjobihoieiojeighojeapefgogdp) | ModHeaderV2 | 30,000 | 3.44 | 2026-07-16 | | 298 | [Clear Data for Current Site](https://extensiontracker.com/extension/lfkgcfakbpblpflbjanpoaipofoodnen) | Nicolas Barraud | 30,000 | 4.27 | 2026-08-23 | | 299 | [Custom UserAgent String](https://extensiontracker.com/extension/lejiafennghcpgmbpiodgofeklkpahoe) | Grephy | 30,000 | 3.81 | 2026-06-10 | | 300 | [What the Font](https://extensiontracker.com/extension/kmmpcmiabjkmpfjkjmekkhlkpoegglbl) | EonF Media SL | 30,000 | 3.43 | 2026-05-16 | - Previous page: - Next page: --- 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`.