HEX to HSL Converter - Online Color Code to Hue Saturation Lightness
Translate HEX colors to HSL values and adjust lightness and saturation visually. Great for creating color variations in CSS design systems.
UD5 Toolkit
Find the closest Tailwind CSS color class for any HEX, RGB, or HSL color.
Enter a color to see the closest Tailwind shade palette.
Translate HEX colors to HSL values and adjust lightness and saturation visually. Great for creating color variations in CSS design systems.
Upload a screenshot or image and use the magnifying glass to pick exact colors. Get hex, RGB, and HSL. Simple.
Apply a customizable gradient overlay to any image. Perfect for banners and social media. Download the result. Local.
Write a compute shader in WGSL and run it in the browser. See the output on a canvas. Learn WebGPU. Real‑time compilation.
See the current time displayed in binary and hexadecimal. Dark theme, full‑screen mode. A geeky desk decoration.
Generate cryptographic and checksum hashes for any text string. Supports MD5, SHA-1, SHA-256, and CRC32. All hashing runs locally for maximum privacy.
Point your camera at a barcode and decode it live. Works with multiple formats. Pure JavaScript barcode detection.
Watch a color sequence and click the same pattern. Gets longer each round. Test and improve your working memory. All local.
Upload two images and apply CSS blend modes (multiply, screen, overlay, etc.). See the result and copy the filter CSS. Pure frontend.
Add artificial reverb to an audio recording. Choose from small room to large hall. Wet/dry mix. Convolution‑based.
View the current time in binary (BCD) format. A stylish geek clock with dot columns. Toggle between binary and decimal labels.
Set an alarm that rings at a specific time even if the tab is in background. Multiple alarm tones. Works offline.
Display a stylish retro flip clock or Nixie tube clock in full screen. Perfect for desk presentation or decoration. Pure CSS and JS.
Enter two Roman numerals and add or subtract them. See the result in Roman and Arabic. A fun mental workout.
Run a countdown timer that automatically repeats for a set number of laps. Great for HIIT, study sprints, or any interval work.
Select multiple images, arrange their order, and merge them into a single PDF document. Works offline in your browser.
Paste an HTML `<table>` snippet and instantly get a clean Markdown table. Supports colspan and alignment hints. Local.
Enter a Kelvin value (1000‑40000) and see the approximate white‑balance color. Photography and lighting reference.
Convert a numeric amount into English words, perfect for writing checks or legal documents. Supports USD/GBP styles.
Convert between Gregorian and Hijri (Islamic) dates. Approximate visual reference. Local algorithm.
Convert a Gregorian calendar date to its Julian Day Number and vice versa. Used in astronomy and mainframe computing.
Convert any human‑readable date to a Unix timestamp in seconds or milliseconds. Also shows ISO 8601. Clean interface.
Enter a hex color and hear a tone mapped to its hue. Explore the connection between color and sound. Fun perceptual experiment.
Convert between common cooking units: cups → grams, teaspoons → ml, Fahrenheit → Celsius. Essential baking tool.
Translate between binary and Gray code (reflected binary code). See the bit changes. Useful for digital logic.
Encode decimal integers into signed magnitude binary representation and decode back. Learn computer arithmetic.
Convert a decimal number to 32-bit single precision IEEE 754 format. See sign, exponent, mantissa bits. Developer tool.
Convert any date into Roman numerals (day‑month‑year) for tattoos or special occasions. Clean and local.
Convert minutes to decimal hours and vice versa. Essential for billing and payroll. Instant conversion with a handy chart.
Paste text and convert it into a realistic handwriting image using different fonts and ink colors. Download as PNG. Fun for notes.