Looking for the best free SEO tools to boost your website rankings? You are in the right place. I have tested and reviewed more than 150 free and paid SEO tools and filtered the best working ones for you.
Without SEO tools, you can still improve SEO but it will take much longer. These tools help you check unique content, backlinks, proper meta tags, keyword positions, and more.
Plagiarism Checker Tools
Use a plagiarism checker to verify your content is 100% unique before publishing. Paste your content, confirm the captcha, and within seconds you will see if any lines are duplicated and where they came from.
- Small SEO Tools
- Quetext
- Plagiarisma
- Search Engine Reports
- Plagium
- Pre Post SEO
- Duplichecker
- Edubirdie
- PaperRater
- Plagramme
Structured Data Testing Tools
Structured data helps your website appear as rich snippets in Google. Generate your schema markup, paste it into a testing tool, check for errors, then add it to your webpage.
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- Schema Markup Generator (JSON-LD)
- Google Structured Data Testing Tool
- Rich Result Testing Tool
Image Compressing Tools
Compressed images improve website speed. Select the image, reduce the file size (under 100KB is best), compress, and compare quality before downloading.
- Compresspng
- Bulk Resize
- Tinypng
- JPEG Optimizer
- Optimizilla
SERP Preview Tools
SERP preview tools show exactly how your title, description, and URL will appear on Google. They show character counts and pixel width so you can avoid truncation.
- SERP Preview Tool
- Technical SEO
- Portent SERP Snippet
- SERP Preview Chrome Extension
- Mangools
DA PA Checker Tools
Check bulk website Domain Authority and Page Authority. Paste your list of URLs, click the fetch button, and get DA/PA metrics for all websites at once. Very helpful for link building.
- Clickminded (Max 25 URLs)
- Bulk DA Checker (Max 20 URLs)
- Link Graph (Max 10 URLs)
- The Hoth (Max 10 URLs)
- Website SEO Checker (Max 3 URLs)
Backlink Checker Tools
Backlinks are links from other websites pointing to yours. The more quality backlinks you have, the higher your Domain Authority and page rank. These tools let you check your competitors backlink counts and strategy.
- MOZ
- Uber Suggest
- Ahrefs
- Small SEO Tools
- SEMrush
Conclusion
I hope this Top 50+ Best Free SEO Tools List helps you do better search optimization for your website. If you are a beginner in the SEO industry, our on-page SEO and off-page SEO articles will help you understand search engine optimization more clearly.