39 utilities tools
Utilities tools
Practical tools for everyday tasks.
Available Utilities tools
Tip Calculator & Bill Split
Free tip calculator to work out the tip and split a bill across any number of people.
Recipe Scaler
Scale a recipe up or down by changing the number of servings.
Password Strength Checker
Check how strong a password is, entirely in your browser.
Random Number Generator
Free random number generator to generate integers or decimals within any range.
Timestamp Converter
Convert Unix timestamps to readable dates, and vice versa.
Concrete Calculator
Estimate concrete volume from length, width, and depth.
Paint Calculator
Estimate paint litres from surface area, coats, and coverage.
Square Footage Calculator
Calculate the area and perimeter of a rectangular room or space.
Area Calculator
Free area calculator to calculate the area of a rectangle, circle, or triangle from dimensions.
Volume Calculator
Free volume calculator to calculate the volume of a box, cylinder, or sphere.
Tile Calculator
Estimate tile quantities for an area with an optional waste allowance.
Mulch Calculator
Estimate mulch volume in cubic yards and two-cubic-foot bags.
Gravel Calculator
Estimate gravel volume and approximate weight from area and depth.
Stair Calculator
Estimate riser count, actual riser height, and tread count.
Unit Price Calculator
Find the price per item, weight, volume, or other quantity.
Aspect Ratio Calculator
Reduce image or screen dimensions to a simplified aspect ratio.
Data Transfer Time Calculator
Estimate how long a file takes to transfer at a stated connection speed.
Image File Size Estimator
Estimate uncompressed image size from dimensions, channels, and bit depth.
CSV to JSON Converter
Turn a simple comma-separated table into formatted JSON.
URL Parser
Break a complete URL into protocol, host, path, query, and hash.
Image to WebP Converter
Free image to WebP converter to convert JPG, PNG, GIF, BMP, and other supported images in your browser. Adjust quality, compare file sizes, and download your WebP image privately.
Colour Codes
Free colour codes tool to pick, explore, compare, and copy colour codes for websites, apps, and digital designs.
Colour Contrast Checker
Check the contrast ratio of two solid hex colours.
Screen Resolution & PPI Calculator
Estimate a display’s pixel density from resolution and diagonal size.
File Checksum Generator
Calculate a SHA-256 checksum for a selected local file.
JSON to CSV Converter
Convert a flat JSON record list to CSV and download it.
Image Resize & Compress
Resize and compress a selected local image before downloading it.
PX to REM Converter
Convert CSS pixels to rem using your chosen root font size.
Data URI Generator
Encode locally entered text as a complete data URI.
JWT Decoder
Decode a JWT header and payload locally without verification.
File Metadata Inspector
Inspect browser-visible properties of a selected local file.
Colour Blindness Simulator
Preview an illustrative colour-vision simulation for one hex colour.
URL Query Builder
Add encoded query parameters to a complete URL.
Image Format Converter
Convert a selected local image to a browser-supported format.
TV Size & Viewing Distance Calculator
Calculate TV screen dimensions from diagonal and aspect ratio.
Furniture Fit Calculator
Compare furniture dimensions with a room, opening, or doorway.
Image Print Size Calculator
Convert image pixels and PPI into estimated print dimensions.
Filename Cleaner
Preview cleaner filenames from a pasted list.
File Size Comparison
Compare local file sizes with clear decimal or binary units.