AI Prompt Generator
Create better prompts for ChatGPT, Claude and more.
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Free calculators, generators and checkers for AI, SEO, AEO, GEO and AIO, software, finance, security, EV costs and more. Every tool explains what it is, how it helps and answers common questions.
Featured tools
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FAQ Schema Generator
Create FAQPage JSON-LD from your Q&A.
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Robots.txt Generator (with AI bots)
Build robots.txt and control AI crawlers.
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Loan EMI Calculator
Monthly payment, total interest and total cost.
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EV Savings Calculator
Compare yearly running cost of a petrol or diesel car with an EV.
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Password Generator
Create strong random passwords in your browser.
Open toolAI & Productivity
Prompt, writing and productivity tools that help you get more done with AI.
AI Prompt Generator
Create better prompts for ChatGPT, Claude and more.
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Prompt Quality Checker
Score your prompt and see what is missing.
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AI Token & Cost Calculator
Estimate tokens and monthly AI costs.
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AI Email Generator
Write professional emails in seconds.
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Word Counter
Count words, characters and reading time.
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Readability Checker
Flesch score and grade level for your text.
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Meeting Cost Calculator
See what a meeting really costs.
Open toolMarketing & SEO
Titles, snippets, tracking links and ad tools to grow search traffic and conversions.
Blog Title Generator
Get catchy, search-friendly blog titles.
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Meta Description Generator
Write SEO meta descriptions instantly.
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SERP Snippet Preview
Preview your title and description in search.
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Keyword Density Checker
Check keyword use and top words in your text.
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Open Graph Tag Generator
Generate social sharing meta tags.
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URL Slug Generator
Turn titles into clean, SEO-friendly slugs.
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UTM Link Builder
Build trackable links for your campaigns.
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Email Subject Line Tester
Score subject lines before you send.
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Ad Copy Character Counter
Check ad headline and description limits.
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ROAS & Ad Metrics Calculator
Calculate ROAS, CPC, CTR and CPA.
Open toolAEO, GEO & AIO (AI Search)
Tools to get found in answer engines, generative AI answers and AI Overviews.
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Question Finder
Generate questions people ask about a topic.
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Answer Box Checker
Check if your answer is snippet-ready.
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FAQ Schema Generator
Create FAQPage JSON-LD from your Q&A.
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HowTo Schema Generator
Create HowTo JSON-LD for step-by-step guides.
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Organization Schema Generator
Create Organization JSON-LD for entity clarity.
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AI Citation Readiness Checker
Check if your content is easy for AI to cite.
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llms.txt Generator
Create an llms.txt file for AI crawlers.
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Robots.txt Generator (with AI bots)
Build robots.txt and control AI crawlers.
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AI Overview Readiness Checklist
A 12-point checklist for AI Overviews.
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Topic Cluster Generator
Plan a pillar page and supporting topics.
Open toolSoftware & SaaS
Cost, ROI and decision tools for choosing and paying for software.
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SaaS ROI Calculator
See if a software subscription pays for itself.
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Subscription Cost Calculator
Compare monthly and annual software costs.
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Software Scorecard
Score up to 3 tools against weighted criteria.
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SaaS Cost Comparison
Compare the yearly cost of up to 3 software plans.
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Build vs Buy Calculator
Compare building software with subscribing.
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SaaS Metrics Calculator
MRR, ARR, LTV, CAC payback and more.
Open toolAutomation & Developer
Schedules, formatters and encoders for workflows and technical tasks.
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Automation ROI Calculator
Estimate time and money saved by automating.
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Cron Expression Generator
Build cron schedules with presets.
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JSON Formatter & Validator
Format, minify and validate JSON.
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Regex Tester
Test regular expressions against sample text.
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Base64 Encoder & Decoder
Encode or decode Base64 text.
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URL Encoder & Decoder
Encode or decode URLs and query strings.
Open toolFinancial Tools
Loan, investment, margin and tax calculators for everyday money decisions.
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Loan EMI Calculator
Monthly payment, total interest and total cost.
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Compound Interest Calculator
See how savings grow with compounding.
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SIP Calculator
Estimate returns on regular monthly investing.
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Profit Margin Calculator
Margin, markup and target price.
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Break-Even Calculator
Find how many units you must sell to break even.
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Sales Tax / GST / VAT Calculator
Add or remove tax from any amount.
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Percentage Calculator
Percent of, percent change and more.
Open toolSecurity & Privacy
Password, passphrase, hash and token tools that run privately in your browser.
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Password Generator
Create strong random passwords in your browser.
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Password Strength Checker
Check how strong a password is and get tips.
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Passphrase Generator
Create memorable multi-word passphrases.
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Hash Generator (SHA-256)
Generate SHA hashes for text in your browser.
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Secure Token Generator
Create random tokens and API-style keys.
Open toolGreen & EV
Electric vehicle, fuel, solar and electricity cost calculators.
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EV Savings Calculator
Compare yearly running cost of a petrol or diesel car with an EV.
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EV Charging Cost Calculator
Cost of a charge and cost per 100 km.
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Trip Fuel Cost Calculator
Fuel needed and cost for any trip.
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Appliance Electricity Cost Calculator
What an appliance costs to run.
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Solar Payback Calculator
Estimate savings and payback time for solar.
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Fuel Efficiency Converter
Convert between L/100 km, km/L and mpg.
Open toolCreator & Design
Title, name, QR code, image and colour tools for creators and small brands.
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YouTube Title Generator
Get more clicks with better video titles.
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Business Name Generator
Find the perfect name for your brand.
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QR Code Generator
Create QR codes in seconds.
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Image Resizer
Resize images for web and social media.
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Colour Palette Generator
Build colour palettes from one base colour.
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Free tools FAQ
What are free online tools?
They are calculators, generators and checkers that run in your browser. You enter your details and see results straight away, with no signup.
Are these tools really free?
Yes. Every tool on this page is free to use. Some pages may contain affiliate links to other products.
Is my data safe?
The tools run in your browser, so what you type is not sent to our servers.
Can these tools guarantee rankings or results?
No. SEO, AEO, GEO and AIO tools give guidance and checks, and calculators give estimates. Nothing can guarantee outcomes.