Free online utilities

Useful tools, clearly made.

ToolPixels brings practical file, text, code, calculation, and conversion tools together in one simple place.

Browse by category

Image ToolsResize, convert, compress, and inspect images in your browser.PDF ToolsWork with PDF pages and files using focused browser-based utilities.Text ToolsCount, clean, compare, and transform text without extra software.Developer ToolsFormat, inspect, encode, and validate common developer data.Color and Design ToolsExplore colors, measurements, and practical design values.GeneratorsCreate useful values, files, and starting points for everyday work.CalculatorsCalculate common financial, date, health, and numerical results.ConvertersConvert units and values with clear, immediate results.Web ToolsInspect URLs, browsers, screens, and other web-related information.Media ToolsInspect and work with audio, video, and media files in the browser.

Available tools

Percentage Calculator

Handle common percentage calculations with clear formulas and results.

Percentage Change Calculator

Calculate percentage increase/decrease between two values.

Average Calculator

Calculate mean plus basic count/sum statistics from a list of numbers.

Age Calculator

Calculate age/duration between dates with clear date assumptions.

Date Difference Calculator

Calculate elapsed days and calendar differences between two dates.

Time Duration Calculator

Calculate durations between times and add/subtract durations.

Discount Calculator

Calculate discount amount and final price.

Sales Tax Calculator

Calculate tax amount and total from a user-entered tax rate without assuming a jurisdiction.

Tip Calculator

Calculate tip and total with optional bill splitting.

Loan Calculator

Calculate estimated payment, total paid, and interest from principal, rate, and term with a clear informational disclaimer.

Simple Interest Calculator

Calculate simple interest and final amount.

Compound Interest Calculator

Calculate compound growth from user-supplied principal, rate, frequency, and time with a clear informational disclaimer.

Profit Margin Calculator

Calculate profit, margin, and related values from cost and revenue.

Markup Calculator

Calculate markup percentage, cost, price, and profit.

Break-Even Calculator

Calculate break-even units/revenue from fixed cost, variable cost, and selling price.

Merge PDF

Merge multiple PDF files in a user-selected order entirely in the browser.

Split PDF

Split a PDF by page selection or ranges and download the resulting PDF files.

Recently added

Newly published tools will appear here as the library grows.