---
title: "Free SEO Tools for Developers · Nuxt SEO"
canonical_url: "https://nuxtseo.com/tools"
last_updated: "2026-05-11T10:29:29.058Z"
meta:
  description: "Free SEO tools: schema validator, sitemap checker, meta tag analyzer, robots.txt generator, social share debugger & more. No signup required."
  "og:description": "Free SEO tools: schema validator, sitemap checker, meta tag analyzer, robots.txt generator, social share debugger & more. No signup required."
  "og:title": "Free SEO Tools for Developers · Nuxt SEO"
---

Nuxt SEO on GitHub

# **SEO Tools **

Developer utilities for technical SEO. Free tools, no signup required.

## **SEO Audit**

Validate your markup, check your meta tags, and debug social sharing.

[<h3>**Meta Tag Checker **</h3>Check title length, meta description & OG tags. Preview Google SERP appearance.](https://nuxtseo.com/tools/meta-tag-checker) [<h3>**Schema.org Validator **</h3>Free structured data validator for JSON-LD & Microdata. Check rich results eligibility.](https://nuxtseo.com/tools/schema-validator) [<h3>**Social Share Debugger **</h3>Preview and debug social share cards across Twitter, Facebook, LinkedIn, and more.](https://nuxtseo.com/tools/social-share-debugger)

## **Technical SEO**

Generate configs, validate sitemaps, and convert content formats.

[<h3>**Robots.txt Generator **</h3>Free robots.txt generator with AI bot blocking. Block GPTBot, ClaudeBot & 20+ crawlers.](https://nuxtseo.com/tools/robots-txt-generator) [<h3>**Robots.txt Validator **</h3>Check your robots.txt for syntax errors, AI signals, and verify bot access rules.](https://nuxtseo.com/tools/robots-txt-validator) [<h3>**XML Sitemap Validator **</h3>Free sitemap checker with index support. Validate URLs, detect duplicates & errors.](https://nuxtseo.com/tools/xml-sitemap-validator) [<h3>**HTML to Markdown **</h3>Convert any webpage or HTML to clean Markdown for Nuxt Content or LLMs.](https://nuxtseo.com/tools/html-to-markdown)

## **Keyword & SERP**

Keyword ideas, SERP analysis, and domain intelligence. 2 free requests/day.

[<h3>**Keyword Idea Generator **</h3>Free keyword idea generator for developers. Get volume, difficulty & intent data for your next project.](https://nuxtseo.com/tools/keyword-generator) [<h3>**Keyword Research **</h3>Advanced keyword research with history, filters, and SERP fallback analysis.](https://nuxtseo.com/tools/keyword-research) [<h3>**SERP Analyzer **</h3>See who ranks for any keyword and what SERP features are present.](https://nuxtseo.com/tools/serp-analyzer) [<h3>**Domain Rankings **</h3>Check what keywords any domain ranks for in Google.](https://nuxtseo.com/tools/domain-rankings)