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.
Keyword Research
12 toolsKeyword Merger
Combine modifier lists with seed keywords to build long-tail lists.
Keyword ResearchKeyword Suggestion Generator
Generate keyword ideas from a seed using common SEO modifiers.
Keyword ResearchLong Tail Keyword Builder
Build long tail keywords from 2-3 word lists (cross product).
Keyword ResearchKeyword Separator
Convert keyword lists between comma, tab, newline, pipe formats.
Keyword ResearchKeyword Deduplicator
Remove duplicate keywords, optionally case-insensitive.
Keyword ResearchKeyword Sorter
Sort keywords alphabetically, by length, or by word count.
Keyword ResearchNegative Keyword Builder
Build a negative keyword list from common free patterns.
Keyword ResearchMatch Type Converter
Convert keywords between Broad, Phrase, Exact match types.
Keyword ResearchKeyword Length Analyzer
Bucket keywords by length, count words and characters.
Keyword ResearchQuestion Keyword Generator
Generate question-form keywords (who, what, why, when, how).
Keyword ResearchInitialism Expander
Expand keyword initialisms (e.g. SEO to Search Engine Optimization).
Keyword ResearchKeyword Density (URL)
Fetch any page and find its top keywords by density.
Keyword ResearchWhy 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.