{"service":{"id":"chrome-extension","name":"Chrome extension","url":"https://ellul.ai/services/chrome-extension"},"ellul_ai":{"price":245,"currency":"GBP","basis":"one-off","unit":null,"includes":["Chrome extension (Manifest V3) for one simple job","Popup and settings page, also working in Edge","Linked to one existing API or your own backend","Packaged and submitted to the Chrome Web Store for review"],"time":"1 week"},"read_on":"2026-11-06","fx_to_gbp":{"GBP":1,"USD":0.75,"EUR":0.86},"market":{"counted":3,"median_gbp":225,"p25_gbp":225,"p75_gbp":487.5},"counted":[{"provider":"Chrome extension developer on Contra (Sri Lanka)","url":"https://contra.com/s/Nbs6cRrZ-chrome-extension-development","figure":300,"currency":"USD","gbp":225,"basis":"one-off","unit":null,"kind":"marketplace","quote":"Price starts at $300. Fully functional Chrome extension."},{"provider":"Mahmoud Elmaandy on Contra (Egypt)","url":"https://contra.com/s/XZL62ZXW-chrome-extension-development-mv3","figure":300,"currency":"USD","gbp":225,"basis":"one-off","unit":null,"kind":"marketplace","quote":"Starting at $300, Duration 1 week: Manifest V3 architecture, service workers, content scripts, API integration and data sync, React or Vue UI inside extensions"},{"provider":"Groovy Web (agency, offices in India, Australia, Germany and the US)","url":"https://www.groovyweb.co/service/chrome-browser-extension-development","figure":1000,"currency":"USD","gbp":750,"basis":"one-off","unit":null,"kind":"agency","quote":"Starting from $1K, Yes! That's true; Chrome Browser Extension development begins with the lowest at $18/ Hour with Groovy."}],"facts":{"pay_separately":["The Chrome Web Store one-time developer registration fee, paid to Google","Hosting or usage costs of the API or backend it connects to"],"needs_from_you":["A Chrome Web Store developer account in your name","Access to the API or backend, with its documentation","A privacy policy page if the extension handles user data"],"limits":["One simple job; several screens, accounts, payments or scraping are priced as a web app","Google decides whether the extension is published and how long review takes","Connects to one existing API or backend; building that backend is not included"],"rules":[{"fact":"Chrome Web Store policy says an extension must have a single purpose that is narrow and easy to understand.","source_name":"Chrome Web Store Program Policies: Quality guidelines","source_url":"https://developer.chrome.com/docs/webstore/program-policies/quality-guidelines"},{"fact":"Chrome Web Store policy says an extension that handles any user data must post an accurate, up to date privacy policy, linked in the Developer Dashboard.","source_name":"Chrome Web Store Program Policies: Privacy policies","source_url":"https://developer.chrome.com/docs/webstore/program-policies/privacy"}],"cheaper_route":[]},"not_counted":[{"provider":"Chrome extension developer on Contra (Brooklyn, US)","url":"https://contra.com/s/mlZlA2mQ-custom-chrome-extension","figure":35.5,"currency":"USD","basis":"one-off","unit":null,"kind":"marketplace","quote":"Starting at $35.50, Duration 1 week: Fully Developed Chrome Extention","why":"$35.50 for a full build reads as a deposit or placeholder, not a price for the work"},{"provider":"Chrome extension developer on Contra (Antalya, Turkey)","url":"https://contra.com/s/2LFLsNrW-custom-browser-extension-development-from-concept-to-store","figure":25,"currency":"USD","basis":"hourly","unit":null,"kind":"marketplace","quote":"Starting at $25 /hr: source code, publish-ready package, documentation, Chrome Web Store and Edge Store listing","why":"a different basis, unit or currency"},{"provider":"Aleksander Kikas on Contra (Estonia)","url":"https://contra.com/s/bBMOrqLL-chrome-extension-web-app-and-full-stack-development","figure":55,"currency":"USD","basis":"hourly","unit":null,"kind":"marketplace","quote":"Starting at $55 /hr: Chrome extension development, website and web app development","why":"a different basis, unit or currency"}]}