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Last updated: Feb 27, 2026

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Offline indicates a tool works without a network connection (cached by the Service Worker).

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Mortgage Tools Hub

Compare ARM vs Fixed, PMI drop, points break-even, affordability, and more — all in one place.

Showing 12 of 136 tools in Utility (offline). Reset filters
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Popular Categories

  • Finance: Financial calculators and converters
  • Health: Health and fitness calculators
  • Files: PDF, image, and file tools
  • Category Text: Text processing and conversion tools

And many more...

  • Offline

    Age Calculator

    Exact age in years, months and days.

    UtilityHealth
  • Offline

    Base64 Encoder / Decoder

    Convert text to Base64 and back. Works offline.

    ConversionUtility
  • Offline

    Color Picker & Converter

    Pick colors and convert between HEX, RGB, HSL formats with palette generation.

    UtilityText
  • Offline

    Discount Calculator

    Find savings and final price after discount.

    FinanceUtility
  • Offline

    Hash Generator & Verifier

    Generate and verify MD5, SHA-1, SHA-256, SHA-512 hashes for text and files.

    UtilityText
  • Offline

    Password Generator

    Create strong, random passwords with custom length and symbols.

    UtilityText
  • Offline

    QR Code Generator

    Generate QR codes for text, URLs, WiFi, and vCard contact information.

    UtilityText
  • Offline

    Random Number Generator

    Generate random numbers in a range; pick multiple unique values.

    Utility
  • Offline

    Text Case Converter

    Convert text to upper, lower, title and sentence case.

    TextUtility
  • Offline

    Tip Calculator

    Split bills and calculate tips per person.

    UtilityFinance
  • Offline

    URL Encoder / Decoder

    Encode or decode URLs safely for sharing and APIs.

    ConversionUtility
  • Offline

    UUID Generator

    Generate RFC4122 UUID v4 identifiers with one click.

    Utility