All Tools
Ten families in one place. Open calculators, converters, text, image, PDF, security, SEO, design, or everyday tools.
Calculators
Percentages, loans, BMI, dates, and everyday math — with the formula in view.
Image Tools
Compress, resize, crop, convert, and inspect images. Files stay on this device.
PDF Tools
Merge, split, convert, and inspect PDFs in your browser when possible.
Converters
Length, weight, energy, pressure, and more — instant unit conversion in your browser.
Text Tools
Count words, change case, clean pasted text, and sort lines. Your text stays on this device.
Developer Tools
JSON, Base64, JWT, regex, UUIDs, and formatters. Local processing, no account required.
Security Tools
Passwords, hashes, JWT decode, and encoding. Nothing is logged or stored.
SEO Tools
Meta tags, Open Graph, robots.txt, slugs, UTM links, and social previews.
Design Tools
Colors, palettes, contrast, and copy-ready CSS generators.
Everyday Tools
Timers, dice, QR codes, and simple daily cost tools.
Popular tools
A mix from every family — calculators, converters, and utilities.
Calculator
Percentage
Calculate percentages, find what percent one number is of another, and measure percentage change.
Calculator
Loan
Estimate monthly payments, total interest, and total cost for a fixed-rate loan.
Image Tool
Compress
Shrink JPEG/WebP quality in the browser and download the result.
Image Tool
Resize
Resize an image to exact pixel dimensions, locally.
PDF Tool
Merge
Merge multiple PDFs into one file in the browser.
PDF Tool
JPG→PDF
Place one or more images into a PDF and download it.
Converter
Length
Convert meters, kilometers, miles, feet, inches, and more instantly.
Converter
Weight
Convert kilograms, grams, pounds, ounces, and milligrams.