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SEO & Web Analysis

Browse our free SEO & Web Analysis collection for developers. Every tool works in your browser with no installation required.

3 tools

Schema Markup Validator

Validate JSON-LD schema markup and rich result readiness

Broken Link Checker & Cleaner

Find, remove, and replace dead URLs from text, files, and webpages

Open Graph Previewer

Preview social cards and debug Open Graph, Twitter Card, and HTML metadata

Browse by Workflow

AI Tools JSON Tools CSV & Tables XML & YAML Web & Code Text & Markdown Images & QR Browser & Media Numbers & Units Hashing Encoding & Escaping Credentials & Privacy API & Networking Time & Scheduling Productivity Document Financial Developer Workflow Compare & Validate

CodingTool is officially live on

Launched on StartupBase