Free Tools

Free Web Tools

Instant audits and browser-based generators for building, optimizing, and shipping web apps. No sign-up. PWA generators run locally — audits hit your URL.

Site audits

PageSpeed Audit

Lighthouse-grade performance audit with Core Web Vitals (LCP, CLS, INP, FCP, TTFB) and a side-by-side preview of what pageflare can fix.

lighthouse core web vitals performance

SEO Audit

On-page SEO scan: meta tags, structured data, canonical setup, link architecture, indexability, hreflang. Per-page findings with deterministic fixes.

meta schema.org canonical indexability

GEO Audit (AI-Readiness)

Generative Engine Optimization scan: llms.txt, robots.txt AI access, MCP server card, agent skills, well-known endpoints. See how AI crawlers read your site.

llms.txt ai bots mcp agent skills

PWA generators

PWA Icon Generator

Upload one image and generate all PWA icon sizes (48×48 to 512×512) plus iOS splash screens. Download as individual PNGs.

icons splash screens canvas

PWA Manifest Generator

Fill a form and generate a valid web app manifest.json with live syntax-highlighted preview. Copy or download instantly.

manifest.json display mode theme color categories

PWA Screenshots Generator

Upload a screenshot and frame it inside phone, tablet, or desktop device mockups. Export narrow + wide PNGs for your manifest.json.

screenshots device mockup narrow wide

Maskable Icon Editor

Preview your icon with the 80% safe zone overlay, adjust padding and background color, then export a 512×512 maskable PNG.

maskable safe zone adaptive icon android

Want to automate all of this?

pageflare handles icons, manifest, service worker, and web performance optimizations at build time — automatically, with one command after your existing build step.

Get Started Free Learn about PWA features

Free tier available · No credit card required