Every SEO Tool a Founder
Actually Needs
Built for people who run businesses, not SEO agencies. 25 focused tools that do one thing well — from metadata scoring to crawl validation — so you can ship pages that rank.
Pick a Tool, Solve a Problem
No accounts, no paywalls. Click any tool below and get results in seconds.
URL Slug Generator
Create clean, SEO-friendly URL slugs instantly.
Keyword Combiner
Merge keyword lists into all combinations.
Keyword Density Checker
Analyse keyword frequency across your content.
Readability Analyzer
Get Flesch-Kincaid scores and suggestions.
JSON to CSV Converter
Convert JSON data to CSV format instantly.
SEO Title Scorer
Score your titles out of 100 for CTR.
Meta Description Generator
Generate click-worthy meta descriptions in seconds.
Title Tag Generator
Create optimised title tags that maximise CTR.
Headline Generator
Generate 20 headline variants across formats.
Image Alt Text Generator
Generate descriptive alt text for any image.
Email Subject Generator
AI-powered subject lines with open rate predictions.
Sentence Expander
Expand sentences into 3 tonal variations.
AI Content Detector
Verify text authenticity and originality.
Robots.txt Validator
Validate your robots.txt for crawl issues.
XML Sitemap Validator
Check your XML sitemap health and errors.
Canonical Tag Checker
Verify canonical tags to fix duplicate content.
Website Metadata Checker
Analyse title, OG tags, and Twitter cards.
Google Crawler Simulator
See how Googlebot views your page.
FAQ Schema Generator
Generate FAQPage JSON-LD for rich results.
Article Schema Generator
BlogPosting JSON-LD structured data.
HowTo Schema Generator
Step-by-step guide structured data.
Review Schema Generator
Enable star ratings in search results.
SEO Cost Calculator
Estimate your monthly SEO campaign budget.
SEO ROI Calculator
Calculate ROI for your SEO campaigns.
SEO & GEO Audit
Combined SEO + AI readiness audit in one click.
Three Steps to Pages That Rank
Most SEO problems come down to three things: targeting the wrong keywords, writing weak metadata, or blocking your own pages from Google. Here's how to fix all three.
Know What People Search
Before you write a single word, validate that real humans are typing your target phrase into Google. Build keyword lists that cover the full intent spectrum.
Win the Click in Search Results
Your title tag is the ad copy of organic search. Score it, test it, and pair it with a meta description that earns the click over nine other results.
Don't Block What You Built
Nothing is more frustrating than great content that Google can't find. A misconfigured robots.txt or broken sitemap silently kills your traffic.
A Publishing Workflow You Can Repeat Every Week
The best SEO isn't a one-time project — it's a system. This four-step cycle turns these tools into a repeatable publishing engine that compounds over time.
Your weekly SEO sprint
1. Research — Find keywords with real demand and intent you can match.
2. Craft — Write titles and descriptions that earn clicks, not just impressions.
3. Validate — Confirm Google can crawl, index, and understand every page.
SEO Workflow Map
Compact viewOutput: Validated keyword list
Output: Title 80+ score, meta 150 chars
Output: Clean robots.txt + sitemap
Output: Indexed pages, growing traffic
Pro tip: Run this cycle weekly. After 12 weeks, you'll have 50+ optimised pages compounding in search — that's when the traffic curve inflects.
Done with manual SEO?
Let Fonzy Run Your SEO on Autopilot
These tools solve one problem at a time. Fonzy solves all of them — automatically generating optimised content, monitoring technical health, and building your organic traffic while you focus on your business.
100% free forever for basic tools.
Frequently Asked Questions
Everything you need to know about our free SEO tools
Founders, marketers, and small teams who need to do SEO without hiring an agency. If you're publishing content and want it to rank, these tools handle the technical parts so you can focus on writing.
No. Every tool works instantly — no signup, no email, no credit card. The AI-powered tools have rate limits to keep things fair, but you'll never hit them in normal use.
They use Google's Gemini Flash model for fast, accurate results. Your inputs are processed in real-time and never stored. Each generation takes 2-5 seconds.
These tools solve one problem at a time — manually. Fonzy's full product automates the entire workflow: keyword research, content generation, technical monitoring, and publishing, running continuously across your whole site.
Start with the SEO Title Scorer. Paste your most important page's title and see how it scores. If it's under 70, use the Title Tag Generator to create better options. That single change often lifts CTR by 15-30%.
Yes. Agencies and freelancers use them daily for audits, content briefs, and technical checks. There are no usage restrictions — use them for as many sites and clients as you need.