Use free calculators, converters and tools for text, images, colors, dates, files and development. Most tools process your data locally in your browser.
Calculate percentages, averages and areas, solve equations, and explore other everyday or educational math problems.
Convert, adjust, mix and generate colors for websites, graphics and design systems.
Sort, clean, compare, count and transform text or line-based lists in your browser.
Generate, filter, sort, convert and analyze numbers and numeric lists.
Calculate date differences, convert timestamps, work with time zones and manage timers.
Resize, crop, convert and apply effects to images without installing desktop software.
Generate random numbers, names, dates, passwords, selections and test data.
Create, inspect, encode, split, archive and convert local files in your browser.
Format, validate, encode and convert data used in software development and debugging.
Convert bank statements, PDFs and spreadsheet workflows into editable, reusable data.