SEO & Web Tools

Tools

A growing library of single-purpose SEO, security, and content utilities. Pick a tool, paste your input, get results.
Content
Reading time calculator
Estimate the reading time of a block of text.
Uptime calculator
Convert uptime percentages into downtime per day/month/year.
Word counter
Count words, characters, sentences, and paragraphs.
Word density counter
Count word occurrences and compute keyword density.
Converters
Base64 converter
Encode and decode Base64 text.
Binary converter
Convert between binary, decimal, hex, and ASCII text.
Case converter
Convert text between UPPER, lower, Title, and Sentence case.
Color converter
Convert between HEX, RGB, HSL, and other color formats.
Text to slug converter
Convert text into a URL-friendly slug.
Timestamp converter
Convert between Unix timestamps and human-readable dates.
URL converter
URL-encode or URL-decode a string.
Development
CSS minifier
Minify CSS to reduce file size and speed up delivery.
HTML minifier
Minify HTML markup by stripping comments and whitespace.
JavaScript minifier
Minify JavaScript code to reduce file size.
JSON validator
Validate and pretty-print JSON documents.
URL parser
Break a URL into its scheme, host, path, query, and fragment.
User-agent parser
Parse a user-agent string into browser, OS, and device info.
UTM builder
Build campaign-tagged URLs with utm_* parameters.
Generators
Lorem Ipsum generator
Generate placeholder Lorem Ipsum text.
MD5 generator
Compute the MD5 hash of a string.
Number generator
Generate random numbers in a given range.
Password generator
Generate strong random passwords.
QR code generator
Generate a QR code for any text or URL.
UUID generator
Generate a version-4 UUID.
Research
DNS lookup
Resolve a hostname to its DNS records (A, AAAA, MX, NS, TXT).
Domain IP lookup
Resolve a domain to its hosting IP address.
HTTP headers checker
See the HTTP response headers returned by a URL.
IDN converter
Convert internationalized domain names to Punycode and back.
IP lookup
Look up the geolocation and network owner of an IP address.
Meta tags checker
Inspect a page's meta title, description, Open Graph, and Twitter tags.
Redirect checker
Trace the full redirect chain for a URL.
Reverse IP lookup
Find other domains hosted on the same IP address.
SSL checker
Inspect SSL certificate validity, issuer, and expiration.
Website status checker
Check whether a website is online and measure response time.
WHOIS lookup
Fetch domain registration and registrar contact details.
Text
Duplicate line remover
Remove duplicate lines from a block of text.
Text cleaner
Normalize whitespace, strip tags, and clean messy text.
Text replacer
Find and replace text in a block of content.
Text reverser
Reverse the characters of a string.