Free tools
26 free tools for design, SEO and growth
The tools I reach for on client projects, made public. No signup, no paywall. Everything runs in your browser, so nothing you enter is uploaded.
- New
Design
Color contrast checker
Check any two colours against WCAG 2.2 AA/AAA and APCA, with live fixes.
Open tool→ - New
Design
Tailwind color scale generator
Turn one hex into a balanced 50–950 scale, ready for Tailwind v4 or CSS variables.
Open tool→ Design
Palette from image
Drop a photo or screenshot and pull out its dominant colours as hex, RGB and HSL.
Open tool→Design
Font pairing previewer
Try curated Google Font pairings on a real landing page, then copy the CSS.
Open tool→Design
Fluid type scale generator
Build a modular type scale that grows with the viewport — CSS clamp() and Tailwind output.
Open tool→Design
CSS gradient generator
Design linear, radial, conic and mesh gradients visually, then copy the CSS.
Open tool→Design
Box shadow generator
Layered, natural-looking shadows with live preview — CSS and Tailwind output.
Open tool→- New
Design
Device mockup generator
Drop a screenshot into an iPhone, MacBook or browser frame and download a PNG.
Open tool→ - New
Design
Favicon & app icon generator
Make every favicon and app icon size from an image, text or emoji — one zip.
Open tool→ Design
Screen size & breakpoint reference
Viewport sizes for every current iPhone, Android, tablet and desktop — filter and compare.
Open tool→SEO & marketing
Social image size guide & resizer
Every 2026 post, story, cover and ad size — and a resizer that crops your image to fit.
Open tool→- New
SEO & marketing
SERP snippet preview
See your title and description as Google shows them, measured in pixels, on desktop and mobile.
Open tool→ SEO & marketing
Open Graph preview & meta tag generator
Preview your link on X, LinkedIn, Facebook, Slack and iMessage, then copy the meta tags.
Open tool→SEO & marketing
Schema markup generator
Build valid JSON-LD for Organization, LocalBusiness, Product, Article, FAQ and more.
Open tool→- New
SEO & marketing
llms.txt generator
Write the file AI assistants read first, so ChatGPT, Claude and Perplexity describe you correctly.
Open tool→ SEO & marketing
UTM link builder
Build clean, consistent campaign links with presets, bulk mode and a saved history.
Open tool→Business
Project cost calculator
Estimate the cost of a website, product, AI app or brand in seconds.
Open tool→- New
Business
Freelance rate calculator
Work out the hourly, day and project rate you need from your income goal and real costs.
Open tool→ Business
Agency vs freelancer vs in-house
Compare the true yearly cost of hiring, a freelancer and an agency for the same work.
Open tool→Business
Website redesign ROI calculator
See what a lift in conversion rate is worth per month, and how fast a redesign pays back.
Open tool→- New
Business
MVP scope & timeline estimator
Pick your features and see a realistic build timeline, team and cost range for your MVP.
Open tool→ Business
SaaS LTV, CAC & pricing calculator
Model LTV, CAC payback and LTV:CAC from price, churn and acquisition cost.
Open tool→- New
Product
Website platform picker
Answer nine quick questions and get Framer, Webflow, WordPress, Shopify or custom code — with reasons.
Open tool→ Product
Design brief generator
Answer guided questions and get a clear, shareable design brief — download as PDF or Markdown.
Open tool→Product
A/B test calculator
Check whether your test result is real, and how many visitors you need before you call it.
Open tool→Product
NPS calculator
Turn survey responses into a Net Promoter Score, with the breakdown and a benchmark.
Open tool→
Built properly
Free tools, fixed-price builds.
These tools solve one job each. When you need the whole thing done (a website, a product, a brand), I design and build it end to end for a flat price agreed up front: a landing page from $700, a complete custom website or app for $1,999.