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About PowerApps Ninja

PowerApps Ninja is a collection of free tools for Power Apps makers and web developers. We build the small utilities people reach for every day: a JSON formatter, Base64 and URL encoders, a JWT decoder, a regex tester, a color picker, and a Power Fx cheat sheet with a formula checker.

Why we built it

Power Apps and Power Automate projects constantly involve JSON, encoded values, colors and formulas. Looking each one up on a different site is slow, and pasting API responses or tokens into an unknown website is a privacy risk. We wanted fast, focused pages that explain what a tool does and show examples.

How the tools work

The tools run in your browser. What you paste into a tool is processed on your device and is not sent to our servers. The only data we receive is what you choose to send through the contact form. See the privacy policy for details.

What you can find here

  • Power Fx Tools: Look up Power Fx functions with examples and check your Power Apps formulas for syntax mistakes. Free and in your browser.
  • Color Tools: Pick colors, copy HEX, RGB, HSL and OKLCH codes, build palettes and convert between HEX and RGB. Free and in your browser.
  • JSON Tools: Free browser-based JSON tools to format, validate and minify JSON. Your data stays on your device.
  • Encoding Tools: Encode and decode Base64 and URL strings in your browser. Fast, free and private.
  • Security Tools: Inspect JWTs and generate SHA-256 hashes locally in your browser without uploading anything.
  • Web Development Tools: Generate UUIDs, test regular expressions and convert Unix timestamps online for free.

Feedback and requests

Missing a tool or found a bug? Tell us on the contact page. Your suggestions help us decide what to build next.