PDFAITools
Tool Guides & How-Tos
Step-by-step guides for every tool — learn what it does, how to use it, tips, and FAQ. 441 guides available.
Website Links Count Checker
Count the total number of links on any webpage instantly.
Link Price Calculator
Estimate the fair price for buying or selling a link on any website.
Webpage Screen Resolution Simulator
Preview how any webpage looks at different screen resolutions and device sizes.
Suspicious Domain Checker
Check if a domain is suspicious, malicious, or blacklisted online.
Website Screenshot Generator
Capture a full-page screenshot of any website URL instantly.
Class C IP Checker
Check the Class C IP addresses of multiple domains to analyze SEO risk.
Code to Text Ratio Checker
Check the ratio of visible text to HTML code on any webpage.
Search Engine Spider Simulator
See how search engine crawlers view and index your webpage content.
Google Cache Checker
Check the last Google cached version date of any URL.
WHOIS Checker
Look up full WHOIS information for any domain name instantly.
Domain Age Checker
Find out how old any domain is and when it was first registered.
JSON to CSV Converter
Convert JSON data to CSV/Excel format with column mapping.
Cron Expression Generator
Build and validate cron job expressions with human-readable preview.
Regex Tester
Test and debug regular expressions with real-time matching highlights.
JWT Token Decoder
Decode and inspect JWT tokens, view header, payload and expiry.
Htaccess Redirect Generator
Generate Apache .htaccess redirect rules for 301, 302 and rewrites.
Schema Markup Generator
Generate JSON-LD structured data for Articles, Products, FAQ and more.
Open Graph Preview
Preview how your URL appears when shared on Facebook, Twitter and LinkedIn.