• Calculator

  • Cientific

• Colors

  • Color picker
  • Random Color
    • Keyboard shorcuts

• Clock

  • Alarm
  • Stopwatch
    • Web Workers
  • Time
    • Local
    • Anywhere
  • Timer

• Converters

  • Currency
  • Files
    • Images
    • Videos
    • Audios
    • Documents
  • Units
    • Length
    • Area
    • Volume
    • Temperature
    • Mass
    • Time
    • Speed
    • Pressure
    • Frequency
    • Energy
    • Digital Storage
    • Data Transfer Rate

• Clock

  • Alarm
  • Stopwatch
    • Web Workers
  • Time
    • Local
    • Anywhere
  • Timer

• Cryptography (encoder, decoder)

  • Barcode
  • Binary
  • Morse code
  • Hex
  • Caesar's cipher
  • QR Code
    • Code
      • Download QR Code
      • Share on social medias (Twitter, WhatsApp...)
    • Decode

• Developer tools

  • CSS
    • Animation keyframes
    • Border-radius generator
    • Gradient generator
    • Box shadow
    • Text shadow
    • Flexbox generator
    • Grid generator

• Graph Maker

• Password generator

• Translate

• Weather

• Photo editor

  • Crop images
  • Remove background

• Text

  • Convert case
  • Counters
    • Character
    • Consonant
    • Vowel
    • Word

• Todo list

  • Drag 'n drop

• Random name picker

• Random number picker

• Video downloader (at least YouTube)

• React - version 18.2.0
• TypeScript - version 4.7.4
• Next.js - version 12.1.6
• Stitches - version 1.2.8
• ESLint - version 8.18.0

To contribute to Useful Tools, follow these steps:

1. Fork this repository.
2. Create a branch: git checkout -b <branch_name>.
3. Make your changes and commit them: git commit -m '<commit_message>'
4. Push to original branch: git push origin <project_name> / <local>
5. Create the pull request.

Or, see the GitHub documentation on how to create a pull request.

We thank the following people who contributed to this project:

Fellipe Utaka