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Free Developer Tools

Everything you need to build, test, and ship web projects. Screenshot APIs, PDF generation, SEO audits, meta tag tools, and more.

📸 Screenshots & Visual

FREE

Website Screenshot Tool

Capture any website as a high-quality PNG screenshot. Enter a URL, get an image. 10 free captures per hour.

ScreenshotPNGNo Signup
FREE

DiffShot - Visual Diff

Compare two screenshots side-by-side. Catch visual regressions before your users do. Pixel-level diff highlighting.

Visual DiffQATesting
FREE

ColorPeek - Color Extractor

Extract the full color palette from any website. Get hex codes, RGB values, and dominant colors instantly.

ColorsDesignCSS

📄 Document Generation

FREE TIER

PDFMagic - HTML to PDF

Convert any URL or HTML to a perfectly rendered PDF. Custom headers, footers, page sizes, and margins. API included.

PDFHTML to PDFAPI

🔍 SEO & Meta Tags

FREE

OG Tag Checker

Validate Open Graph and Twitter Card meta tags for any URL. Preview how your links appear on social media.

OG TagsSocial PreviewSEO
FREE

Meta Tag Generator

Generate perfect meta tags for SEO and social sharing. Copy-paste ready HTML with OG, Twitter, and standard tags.

Meta TagsGeneratorSEO
FREE TIER

MetaPeek - Meta Extractor API

Extract all metadata from any URL via API. Title, description, OG tags, favicons, tech stack detection, and more.

APIMetadataExtraction
FREE

PageAudit - SEO Auditor

Full SEO audit for any page. Checks meta tags, headings, images, links, performance, and gives actionable fixes.

SEO AuditPerformanceAccessibility

🔧 Developer Utilities

FREE

FontSpy - Font Detector

Detect all fonts used on any website. See font families, weights, sizes, and where each font is loaded from.

FontsTypographyDesign
FREE

LinkCheck - Broken Link Finder

Scan any website for broken links. Find 404s, redirects, and dead endpoints before your visitors do.

LinksQAMonitoring
FREE

MailForge - Email Tester

Preview and test HTML emails before sending. See how your email renders across different clients and sizes.

EmailHTMLTesting

Need API Access?

All tools above have REST APIs. Start free with 25 API calls/month, scale to millions. One API key works across all tools.

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