Finance
Mortgage Calculator
Calculate monthly payments, total interest, and full amortization schedules.
Budget Planner
Plan and track your monthly income and expenses with visual breakdowns.
Compound Interest Visualizer
See how your money grows over time with interactive compound interest charts.
Invoice Generator
Create and print professional invoices in seconds — no account required.
Developer Tools
Subnet Calculator
Calculate subnet masks, IP ranges, broadcast addresses, and CIDR notation.
JSON Formatter
Validate, format, and minify JSON with syntax highlighting and error detection.
XML Formatter
Validate, format, and minify XML with syntax highlighting and error detection.
YAML Formatter
Validate and format YAML with syntax highlighting, error detection, and JSON conversion.
Regex Tester
Test and debug regular expressions with live match highlighting and capture groups.
Text & Writing
Word Unscrambler
Unscramble letters to instantly find all possible valid English words.
Markdown Editor
Write and preview Markdown side-by-side in a clean split-pane editor.
Word Counter Pro
Count words, characters, sentences, paragraphs, and estimated reading time.
Lorem Ipsum Generator
Generate custom amounts of placeholder text by paragraphs, sentences, or words.
Typing Speed Test
Test your typing speed in WPM, track accuracy, and monitor your improvement over time.
Security & Privacy
Converters
Encoder / Decoder
Encode and decode Base64, URL encoding, HTML entities, and more.
Unit Converter
Convert between hundreds of units: length, weight, temperature, volume, and more.
File Converter
Convert files between Markdown, HTML, plain text, Word DOCX, and PDF formats. Drag and drop — no upload required.
Design & Visual
Color Palette Generator
Generate harmonious color palettes and export HEX, RGB, and HSL values.
QR Code Generator
Generate downloadable QR codes for URLs, plain text, contact info, and more.
CSS Gradient Generator
Create beautiful CSS linear and radial gradients with a live visual editor.
ASCII Art Generator
Convert text into stylized ASCII art in a variety of fonts and styles.
Productivity
Sysadmin Tools
Email DNS Lookup
Look up MX, SPF, DMARC, and BIMI DNS records for any domain with instant validation and alerts.
DNS Lookup
Query A, AAAA, CNAME, MX, NS, TXT, SOA, PTR, SRV, and CAA DNS records for any domain using your choice of DNS server.
Email Blacklist Checker
Check if a domain or IP address is listed on major email blacklists including Spamhaus, SpamCop, Barracuda, SORBS, URIBL, and more.
Email Header Analyzer
Paste raw email headers to trace the exact server-by-server delivery route, verify SPF, DKIM, and DMARC authentication, and spot phishing red flags.
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