Web Development tools
Free Web Development Tools
Planning, checking and conversion utilities for anyone building, redesigning or maintaining a business website. No crawlers or fake audits: each tool works on the values, URLs or answers you provide.
10 tools
Redirect Map ValidatorPaste your old and new URLs to catch redirect chains, loops, conflicts and mass homepage redirects, then export clean rules.Open tool Website Project Scope EstimatorPick your pages, features and content needs to estimate the hours a website project takes and a cost range at your chosen rate.Open tool Website Page PlannerEnter your services, locations and goals to get a recommended page list and site structure, exportable as a sitemap plan.Open tool Website Redesign Readiness AssessmentAnswer 12 questions about your current site's results, content, technology and goals to see whether you need a redesign, a refresh or targeted fixes.Open tool Website Launch ChecklistWork through 31 launch checks across content, forms, SEO, tracking, technical and security, tick them off, and export what is left.Open tool PX to REM ConverterConvert between px, rem and em at any base font size, convert a whole list of values at once, and copy ready-to-use CSS.Open tool Core Web Vitals CheckerEnter your LCP, INP and CLS figures from PageSpeed Insights or Search Console to see what they mean, whether you pass, and the likely fixes.Open tool Colour Contrast CheckerCheck text and background colours against WCAG contrast ratios for normal text, large text and UI, with a suggested fix when they fail.Open tool WordPress Maintenance Risk CheckerAnswer 12 questions about updates, backups, plugins, security and hosting to see how exposed your WordPress site is and what to fix first.Open tool Website Conversion Rate CalculatorCalculate your website or landing page conversion rate and see what a realistic improvement would be worth in extra leads and revenue.Open tool
Web Development Insights
Guides that go with these tools
- InsightWordPress Maintenance: What It Involves and What Happens Without It
- InsightWebsite Accessibility for Small Businesses: What You Need to Know
- InsightWhy Your Website Works on Desktop but Fails on Mobile
- InsightHow to Migrate a Website Without Losing SEO Rankings
Other tool categories
Next step
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