Free web tools.
A handful of genuinely useful, genuinely free tools — no sign-up, no catch. Check a website's health, estimate what a new site should cost, plan your business launch, or plug the checker straight into Claude and ChatGPT.
Website Health Checker
Enter any website address and get an instant 0–100 health score, with a plain-English list of what's costing it customers — mobile-friendliness, speed, security, dated code and more.
Check a website →Website Cost Calculator
Pick the pages and features you need and get an honest, instant estimate of what a website should cost to build in the UK — shown next to the £50/month pay-monthly alternative.
Estimate your price →New Business Online Checklist
A free, tickable checklist for getting a new business online the right way — domain, email, website, Google Business Profile, reviews and everything in between.
Open the checklist → For developersWebsite Checker API & MCP Server
Call the website checker as a free REST API, or connect it as an MCP server so AI assistants like Claude, ChatGPT and Cursor can run health checks directly.
View the docs →More from Fisher.digital: Knowledge Centre · FAQ · The £50/month plan