Client Side Tools

6290 tools available

These tools run entirely in your browser. Everything you enter, from text and numbers to images, PDFs, and other files, is processed locally on your device and never uploaded to a server. No sign up or installation needed.

Calculate how much money you spend on vaping (e-cigarettes) including e-liquid and device costs per day, week, month, year, and over time
Calculate DPI/PPI and pixel pitch for screens and displays based on resolution and size.
Calculate Earth's curvature, horizon distance, and hidden height over any distance.
Calculate your blink rate per minute and analyze your blinking patterns for eye health.
Calculate leg length, inseam, and sitting height based on your total body height using anthropometric ratios.
Calculate great-circle distances between two coordinates using latitude and longitude.
Generate QR codes for geographic locations using latitude and longitude coordinates. Create scannable codes that open maps on smartphones.
Convert light years to kilometers, miles, astronomical units, and parsecs with precise astronomical calculations.
Calculate the area of common 2D shapes with step-by-step formulas.
Calculate the amount of grass seed needed for your lawn based on area size and grass type.
Calculate fuel consumption for lawn mowers based on lawn area and mower type
Generate CSS shadow.
Generate CSS borders with dotted, dashed, and other styles. Control border width, color, radius, and individual sides with live preview.
Generate responsive CSS media queries for breakpoints, screen sizes, orientations, and device features
Create CSS scroll snap effects with live preview. Generate scroll containers with snap points for carousels, sliders, and smooth scrolling interfaces
Check color contrast ratios for accessibility compliance.
Generate the complementary color of any input color, the one directly opposite it on the color wheel. Perfect for creating harmonious color schemes based on color theory.
Generate split complementary colors from any input color: two or more hues spread evenly around its complement on the color wheel, with an adjustable color count and spread angle.
Generate random personal details for testing purposes.
Create memorable username ideas with customizable prefixes, suffixes, casing, and optional numbers.
Generate random playing cards with customizable suits and ranks. Perfect for card games, probability simulations, and testing.
Generate fake chat conversations for mockups, demos, and design purposes.
Fill your entire screen with any color
Draw signature on the board and save it as image.