CalcChef

Access 250+ free, high-performance, and client-side online calculators and tools. Math, finance, developer utilities, unit converters, and more—running 100% in your browser.

Audio

Audio Converter

Extract audio properties and convert file formats directly in your browser. Simple, fast, and private.

Audio

Audio Tone Generator

Generate pure audio tones at specific frequencies. Test speakers, tune instruments, or conduct science experiments.

Audio

BPM Counter

Count the Beats Per Minute (BPM) of any song by tapping along. Find the tempo of your favorite tracks.

Audio

Guitar Tuner

Tune your guitar using your microphone. Visual feedback helps you get the perfect pitch.

Audio

Metronome

Keep perfect time with an online metronome. Adjustable BPM and time signatures for musicians.

CSS

Color Contrast Checker

Check color accessibility (WCAG) compliance. Ensure your text is readable against backgrounds for all users.

CSS

Color Mixer

Mix two colors to create the perfect blend. Generate intermediate steps between two Hex codes for gradients and UI states.

CSS

Color Palette Generator

Generate beautiful color palettes and schemes. Explore monochromatic, analogous, and complementary color harmonies for your projects.

CSS

CSS Animation Generator

Design custom CSS keyframe animations. Control duration, easing, and delay to bring your web elements to life.

CSS

CSS Border Radius Generator

Visually sculpt rounded corners for your elements. Create circles, pills, and organic shapes with advanced individual corner control.

CSS

CSS Clamp() Generator

Generate responsive CSS clamp() expressions for fluid typography and spacing. Set min, max, and preferred fluid values with a live preview.

CSS

CSS Box Shadow Generator

Generate complex CSS box-shadows visually. Adjust position, blur, spread, and color to create depth and elevation for your UI elements.