Monthly visits
Not availableData as of Oct 24, 2026ExtensionFast
Build browser extensions from a starter with accounts and payments

What it does
- Get repository access and build your own features on top of a browser-extension starter.
- Use the included account, payment, and store setup for extensions targeting Chrome, Firefox, and Edge.
Who is it for?
For extension developers who want a starting point for accounts, payments, and store setup.
Compare features, prices, and free plans
| Tool | Price | What's free | Best for |
|---|---|---|---|
| EExtensionFast | $149 one-time | Check the official site for details | Build browser extensions from a starter with accounts and payments |
| FFastLaunchAPI | Check site for pricing | Check the official site for details | Start a FastAPI app with authentication, payments and deployment setup |
| $29 one-time | The free plan includes 1 project, 4 terminals, and 1 browser tab. | Manage coding agents, projects, and terminals in one desktop workspace | |
| RRespira | From $10.07/mo | Maker costs EUR 9 per month or EUR 71 per year; a free-start option is shown without clear limits for the core product. | Let your AI edit a WordPress page copy before you approve the changes |
Prices and free limits can change. Check the official site for the latest details.
What should you build next?
See what tools earn, how crowded the market is, and how long a solo build might take. Get a build, wait, or skip verdict, with lessons from successes and failures.
These are sample assessments, not final recommendations. We don't guess at missing revenue, traffic, or build times.
Monthly recurring revenue (USD)
$0Data as of Oct 24, 2026Launched
Mar 2025Data as of Oct 24, 2026Founders
1Data as of Oct 24, 2026Worth building? Look at the evidence
Higher is better (out of 5)Demand
Room to compete
Edge over free options Estimate
The first 10 returned results for “browser extension starter kit free” contain 1 confirmed sufficient free tools, deduplicated by domain: browsermcp.dev; 0 tools remain unknown. In this category, 8/22 (36.4%) are free/freemium and 2 have unknown pricing; this Codex search sample is not a live Google ranking.
Can you build it solo? Estimate
Initial assessment: An extension starter can reuse common authentication and payment components, while cross-browser compatibility and publishing workflows still require maintenance.
Finding customers Estimate
Initial assessment: Browser extension development templates and payment integration have clear developer demand keywords.
Willingness to pay Estimate
Initial assessment: Developers planning to sell extensions have a motivation to pay to reduce basic setup work.
Higher scores mean better prospects. These are sample assessments, not investment advice.