108+ Free SEO Tools
for Marketers & Webmasters
The complete SEO toolkit — meta tags, sitemaps, schema generators, keyword tools, technical analyzers and more. All tools work via PHP + cURL. No payment, no API keys.
Conversion & Misc
10 toolsDomain Age Calculator
Calculate the age of a domain from its registration date.
Conversion & MiscWord Cloud Generator
Generate a frequency-weighted word cloud from text.
Conversion & MiscText Diff Checker
Compare two text snippets and highlight differences.
Conversion & MiscPlagiarism Self-Check
Find duplicate phrases inside your own text.
Conversion & MiscHash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes of any text.
Conversion & MiscUUID Generator
Generate v4 UUIDs in bulk for IDs and tokens.
Conversion & MiscJSON Formatter / Validator
Format, validate and minify JSON data.
Conversion & MiscRegex Tester
Test regular expressions against any text with highlights.
Conversion & MiscMarkdown Preview
Write Markdown and see the rendered HTML preview live.
Conversion & MiscUnix Timestamp Converter
Convert Unix timestamps to human dates and back.
Conversion & MiscWhy Choose Our SEO Tools?
Privacy First
Most tools run on your server. URL-fetching tools use SSRF-protected cURL with private-IP blocking.
No API Keys
Every tool works out of the box. No registration, no API keys, no third-party services.
Free Forever
All 108+ tools are completely free with no rate limits or hidden costs.
Server-Side Fetching
Tools that scan URLs use PHP cURL. No CORS issues, no browser restrictions, real results.
Modern & Fast
Built with vanilla PHP + CSS. Responsive on every device, accessible, and lightning fast.
Comprehensive
From content analysis to schema generators, keyword research to technical SEO — every task covered.