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No proprietary data formats or API lock-in — teams can switch tooling without losing historical data.",{"posthog":365},"PostHog's JS client runs inside the extension's popup, options page, and background service worker for event tracking and feature flags, the same client used on web apps, since an extension's UI is just JavaScript running in a browser context.",{},"Add analytics when you want to measure traffic, track visitor behavior, or understand how people actually use the product.",{"kind":188,"slug":349,"name":348,"href":369},"\u002Ftools\u002Fcategories\u002Fobservability-monitoring\u002Fweb-product-analytics",{},[],{"Frontend Frameworks":373,"Programming Languages":423,"Databases":445,"Authentication":487},[374,408],{"tool_id":375,"name":376,"slug":377,"tooltip_description":378,"logo_url":379,"logo_bg":77,"pricing_model":380,"learning_curve_score":33,"popularity_score":35,"hosting_assignment_type":30,"hosting_provider_restriction":84,"hosting_target_restriction":84,"hosting_compatible_tool_ids":30,"parent_tool_id":30,"category":381,"subcategory":382,"categories":386,"subcategories":388,"flexibility_score":38,"performance_score":38,"portability_score":35,"is_featured":98,"tags":390,"score_reasonings":402,"published_date":126,"last_updated_date":127},112,"WXT","wxt","Vite-based, framework-agnostic framework for building cross-browser extensions, often described as \"Nuxt for browser extensions,\" with file-based entrypoints and fast hot reload for Chrome, Firefox, Edge, and Safari.","https:\u002F\u002Fassets.tekyous.dev\u002Flogos\u002Ftools\u002Fwxt.svg",{"slug":79,"display_name":80,"description":81},{"category_id":86,"name":87,"slug":88},{"subcategory_id":383,"name":384,"slug":385},9,"Browser Extension Frameworks","browser-extension-frameworks",[387],{"category_id":86,"name":87,"slug":88,"is_primary":3,"display_order":95},[389],{"subcategory_id":383,"name":384,"slug":385,"category_id":86,"is_primary":3,"display_order":95},[391,392,393,394,395,396,397,401],{"tag_id":5,"name":80,"slug":108,"tag_type":109},{"tag_id":241,"name":242,"slug":243,"tag_type":244},{"tag_id":234,"name":235,"slug":236,"tag_type":109},{"tag_id":35,"name":105,"slug":106,"tag_type":103},{"tag_id":33,"name":101,"slug":102,"tag_type":103},{"tag_id":111,"name":112,"slug":113,"tag_type":114},{"tag_id":398,"name":399,"slug":400,"tag_type":244},43,"Cross-platform","cross-platform",{"tag_id":116,"name":117,"slug":118,"tag_type":119},{"learning_curve":403,"flexibility":404,"performance":405,"popularity":406,"portability":407},"Supports Vue, React, and Svelte; 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generics and conditional types grow steeply in depth.","Strict typing and generics add safety without reducing JavaScript's underlying flexibility.","Compiles to JavaScript; runtime performance is identical to equivalent JS code.","The dominant superset of JavaScript; adopted by most serious frontend and Node.js projects.","Compiles to JavaScript; type definitions are portable and widely adopted as a standard.",[446],{"tool_id":86,"name":447,"slug":448,"tooltip_description":449,"logo_url":450,"logo_bg":77,"pricing_model":451,"learning_curve_score":35,"popularity_score":38,"hosting_assignment_type":341,"hosting_provider_restriction":84,"hosting_target_restriction":84,"hosting_compatible_tool_ids":30,"parent_tool_id":30,"category":452,"subcategory":455,"categories":458,"subcategories":460,"flexibility_score":38,"performance_score":38,"portability_score":35,"is_featured":98,"tags":462,"score_reasonings":481,"published_date":126,"last_updated_date":127},"Supabase","supabase","Open-source Firebase alternative built on PostgreSQL. Provides a full backend stack with database, authentication, real-time subscriptions, file storage, and edge functions — deployable on Supabase Cloud or self-hosted.","https:\u002F\u002Fassets.tekyous.dev\u002Flogos\u002Ftools\u002Fsupabase.svg",{"slug":217,"display_name":218,"description":219},{"category_id":38,"name":453,"slug":454},"Databases","databases",{"subcategory_id":86,"name":456,"slug":457},"Backend as a Service","baas",[459],{"category_id":38,"name":453,"slug":454,"is_primary":3,"display_order":95},[461],{"subcategory_id":86,"name":456,"slug":457,"category_id":38,"is_primary":3,"display_order":95},[463,466,467,468,469,473,474,478],{"tag_id":38,"name":464,"slug":465,"tag_type":103},"SQL","sql",{"tag_id":5,"name":80,"slug":108,"tag_type":109},{"tag_id":221,"name":238,"slug":239,"tag_type":109},{"tag_id":234,"name":235,"slug":236,"tag_type":109},{"tag_id":470,"name":471,"slug":472,"tag_type":109},15,"Real-time","real-time",{"tag_id":111,"name":112,"slug":113,"tag_type":114},{"tag_id":475,"name":476,"slug":477,"tag_type":114},30,"API Development","api-development",{"tag_id":225,"name":479,"slug":480,"tag_type":114},"Authentication","authentication",{"learning_curve":482,"flexibility":483,"performance":484,"popularity":485,"portability":486},"SQL and REST are familiar; realtime subscriptions and RLS policies need dedicated study.","PostgreSQL underneath supports any SQL; the Supabase client SDK nudges toward specific patterns.","PostgreSQL query performance is solid; edge functions are fast; realtime runs via Postgres LISTEN\u002FNOTIFY.","One of the most popular open-source BaaS platforms; rapidly growing developer community.","PostgreSQL underneath is open, but the Supabase SDK and realtime layer create meaningful lock-in.",[488],{"tool_id":489,"name":490,"slug":491,"tooltip_description":492,"logo_url":450,"logo_bg":77,"pricing_model":493,"learning_curve_score":35,"popularity_score":35,"hosting_assignment_type":30,"hosting_provider_restriction":84,"hosting_target_restriction":84,"hosting_compatible_tool_ids":30,"parent_tool_id":30,"category":494,"subcategory":30,"categories":495,"subcategories":497,"flexibility_score":82,"performance_score":38,"portability_score":35,"is_featured":98,"tags":498,"score_reasonings":502,"published_date":126,"last_updated_date":127},68,"Supabase Auth","supabase-auth","Supabase Auth is the open-source authentication service built into Supabase, tied to PostgreSQL Row Level Security so the signed-in user's identity drives database access rules.",{"slug":217,"display_name":218,"description":219},{"category_id":383,"name":479,"slug":480},[496],{"category_id":383,"name":479,"slug":480,"is_primary":3,"display_order":95},[],[499,500,501],{"tag_id":5,"name":80,"slug":108,"tag_type":109},{"tag_id":221,"name":238,"slug":239,"tag_type":109},{"tag_id":225,"name":479,"slug":480,"tag_type":114},{"learning_curve":503,"performance":504,"portability":505,"flexibility":506,"popularity":507},"Row-level security policies and JWT configuration require solid backend experience.","GoTrue is a lightweight Go service; fast token verification and session management.","Based on open standards like JWT and OAuth with a Supabase wrapper; partially portable.","Row-level security, custom JWT claims, and auth hooks provide deep control over auth logic.","Popular within the Supabase ecosystem; growing alongside Supabase's adoption.",[509,528,537,552],{"stack_id":510,"slug":511,"name":512,"tagline":513,"experience_level":514,"project_type":515,"stack_type_slug":516,"stack_type_icon_url":517,"score_popularity":35,"score_learning_curve":33,"catalog_display_order":30,"published_date":30,"last_updated_date":30,"core_tool_previews":518},175,"v0-nextjs-supabase","v0 + Next.js + Supabase","AI-generated UI with v0, Next.js framework, and Supabase backend, fast from idea to app.","beginner","web_app","project","https:\u002F\u002Fassets.tekyous.dev\u002Ficons\u002Fstack-types\u002Fproject.svg",[519,524,525,526,527],{"tool_id":520,"slug":521,"name":522,"logo_url":523,"logo_bg":215},27,"nextjs","Next.js","https:\u002F\u002Fassets.tekyous.dev\u002Flogos\u002Ftools\u002Fnextjs.svg",{"tool_id":72,"slug":74,"name":73,"logo_url":76,"logo_bg":77},{"tool_id":300,"slug":302,"name":301,"logo_url":304,"logo_bg":77},{"tool_id":425,"slug":106,"name":105,"logo_url":427,"logo_bg":77},{"tool_id":86,"slug":448,"name":447,"logo_url":450,"logo_bg":77},{"stack_id":33,"slug":529,"name":530,"tagline":531,"experience_level":514,"project_type":515,"stack_type_slug":516,"stack_type_icon_url":517,"score_popularity":82,"score_learning_curve":33,"catalog_display_order":30,"published_date":30,"last_updated_date":30,"core_tool_previews":532},"supabase-nextjs","Supabase + Next.js","Next.js frontend powered by Supabase for auth, database, and storage.",[533,534,535,536],{"tool_id":520,"slug":521,"name":522,"logo_url":523,"logo_bg":215},{"tool_id":72,"slug":74,"name":73,"logo_url":76,"logo_bg":77},{"tool_id":425,"slug":106,"name":105,"logo_url":427,"logo_bg":77},{"tool_id":86,"slug":448,"name":447,"logo_url":450,"logo_bg":77},{"stack_id":538,"slug":539,"name":540,"tagline":541,"experience_level":542,"project_type":515,"stack_type_slug":516,"stack_type_icon_url":517,"score_popularity":38,"score_learning_curve":86,"catalog_display_order":30,"published_date":30,"last_updated_date":30,"core_tool_previews":543},174,"bolt-supabase","Bolt.new + Supabase","Prompt-to-app builder with a production-ready Supabase backend.","non_technical",[544,545,546,547,548],{"tool_id":72,"slug":74,"name":73,"logo_url":76,"logo_bg":77},{"tool_id":300,"slug":302,"name":301,"logo_url":304,"logo_bg":77},{"tool_id":425,"slug":106,"name":105,"logo_url":427,"logo_bg":77},{"tool_id":86,"slug":448,"name":447,"logo_url":450,"logo_bg":77},{"tool_id":398,"slug":549,"name":550,"logo_url":551,"logo_bg":215},"bolt-new","Bolt.new","https:\u002F\u002Fassets.tekyous.dev\u002Flogos\u002Ftools\u002Fbolt-new.svg",{"stack_id":553,"slug":554,"name":555,"tagline":556,"experience_level":542,"project_type":515,"stack_type_slug":516,"stack_type_icon_url":517,"score_popularity":38,"score_learning_curve":86,"catalog_display_order":30,"published_date":30,"last_updated_date":30,"core_tool_previews":557},173,"lovable-supabase","Lovable + Supabase","AI app builder that generates React frontends wired to a real Supabase backend.",[558,559,560,561,562],{"tool_id":72,"slug":74,"name":73,"logo_url":76,"logo_bg":77},{"tool_id":300,"slug":302,"name":301,"logo_url":304,"logo_bg":77},{"tool_id":425,"slug":106,"name":105,"logo_url":427,"logo_bg":77},{"tool_id":86,"slug":448,"name":447,"logo_url":450,"logo_bg":77},{"tool_id":254,"slug":563,"name":564,"logo_url":565,"logo_bg":77},"lovable","Lovable","https:\u002F\u002Fassets.tekyous.dev\u002Flogos\u002Ftools\u002Flovable.svg",[567,570,573,576,579],{"question":568,"answer":569},"Which frontend framework should I use: React, Vue.js, or Svelte?","All three plug into WXT's build the same way, so the honest tradeoffs are ecosystem size and bundle weight rather than raw capability. React has the deepest ecosystem and the most extension tutorials to copy from, which matters if you're new to Manifest V3's message-passing patterns and want examples to reference. Vue.js trades some of that ecosystem for a gentler learning curve and less boilerplate, a fair swap for the small popup and options-page component trees most extensions actually ship. Svelte compiles away its framework at build time, so it produces the smallest bundle of the three, and bundle size matters more here than in a typical web app: a popup's script loads every time the user clicks the toolbar icon, not once per session. Pick React by default, Svelte if the extension is UI-light and load time is the priority, and Vue.js for React's component model without React's ecosystem weight.",{"question":571,"answer":572},"Do I need Supabase, or can this extension work fully offline?","Supabase is only worth adding if the extension needs data to follow the user across devices or browser reinstalls, or needs real sign-in. A purely local extension, a note-taker, a productivity timer, a per-site settings tool, can skip it entirely and store its state with the browser's own storage.local or IndexedDB APIs, which work offline with no external dependency and no account requirement. What you give up by skipping Supabase is exactly what it adds: cross-device sync and any concept of a user account. If the extension might grow a sync feature later, it's fine to start on storage.local and add Supabase when that need becomes real; retrofitting cloud storage onto local-first code mainly means writing a sync layer, not restructuring the WXT or React parts of the codebase.",{"question":574,"answer":575},"When does the Supabase free tier stop covering an extension with a growing user base?","Supabase's free tier caps out around 500 MB of database storage and 50,000 monthly active users, limits sized for typical web-app traffic rather than an extension's usage pattern. An extension with many users each storing a small amount of data, settings, bookmarks, short notes, tends to hit the storage ceiling well before the MAU one, since each user's footprint is tiny but the user count can climb fast once the extension shows up in a store's search results. The jump to Pro at $25\u002Fmo removes those caps and adds daily backups; see the Pricing section for the full breakdown. Watch database size specifically, not user count, as the leading indicator the free tier is running out.",{"question":577,"answer":578},"Does Supabase Auth's OAuth sign-in work inside an extension's popup?","Not out of the box. Supabase Auth's default OAuth flow redirects the browser to a callback URL, but an extension's popup closes the moment the user clicks away to a provider's login screen, which kills the redirect before it finishes. The fix is to route the flow through the extension APIs built for this: chrome.identity.launchWebAuthFlow (or Firefox's equivalent) opens the OAuth screen in its own window, and you register the extension's chrome-extension callback URL as a valid redirect URI in the Supabase project's Auth settings. Once that's wired up, you exchange the returned token by calling supabase.auth.setSession() directly instead of letting the client library manage the browser redirect itself. It's a one-time setup cost specific to running Supabase Auth inside an extension context, not a limitation of Supabase Auth on its own.",{"question":580,"answer":581},"Can I eject from WXT later if I need finer manifest control?","Yes. WXT compiles down to a standard Manifest V3 extension, plain manifest.json, background service worker, content scripts, popup HTML, so the output isn't locked into a proprietary format. If a feature genuinely needs manual manifest.json control WXT's config doesn't expose, you can inspect the built output in .output\u002F and hand-maintain a manifest from there, keeping the same React and TypeScript source files and swapping only the build step. Most projects never need this: WXT's config covers the manifest fields real extensions actually vary, permissions, content-script matches, icons, and ejecting means taking over cross-browser packaging and hot module replacement yourself. It's a real escape hatch, but a rarely-used one.",{"summary":583,"starting_cost_label":584,"has_free_tier":3,"line_items":585},"WXT, React, Tailwind CSS and TypeScript are open-source and free. Supabase covers storage and auth on its free tier, moving to $25\u002Fmo (Pro) as usage grows. Publishing carries one-time store fees: $5 for the Chrome Web Store and $19 for Microsoft Edge, which sit outside the stack.","Free to start",[586,590,594],{"label":587,"cost":588,"note":589},"Core frameworks","Free (open source)","WXT, React, Tailwind CSS and TypeScript are free.",{"label":591,"cost":592,"note":593},"Backend (Supabase)","Free–$25\u002Fmo","Free tier for storage and auth; Pro is $25\u002Fmo as you scale.",{"label":595,"cost":596,"note":597},"Store fees","Not included","The Chrome Web Store charges a one-time $5 and Microsoft Edge $19 to publish.","browser_extension",{"title":600,"description":601,"og_image":30,"canonical":602},"Browser Extension Starter: Tools, Pricing & How to Deploy | Tekyous","Build cross-browser extensions with a modern UI framework and a storage backend. Compare Browser Extension Starter tools, pricing & how to deploy on Tekyous.","https:\u002F\u002Ftekyous.dev\u002Fstacks\u002Fbrowser-extension-starter",1790518809860]