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Convert, format and generate — entirely in your browser. Your files never leave your device.
⌘K Search 500 live tools…PDF Tools
see all →PDF Bookmark Viewer
See a PDF outline as a table of contents, in your browser.
Compress PDF
Shrink a PDF losslessly, in your browser.
Crop PDF Margins
Trim white margins off every PDF page in your browser.
Delete / Extract Pages
Keep or remove specific PDF pages, in your browser.
Image Tools
see all →Base64 to Image
Decode a base64 string back into a viewable image.
Brightness and Contrast Adjuster
Fine-tune photo brightness and contrast in your browser.
Color Tint Overlay
Wash any image with a colour at the strength you choose.
Favicon Generator
Turn any image into crisp favicon & app-icon PNGs.
JSON & Data
see all →Text Tools
see all →Encode / Decode
see all →Generators
see all →Converters & Calculators
see all →Web & Dev Tools
see all →Color & Design
see all →HEX / RGB / HSL Converter
Convert colours between HEX, RGB and HSL.
Shades & Tints Generator
Generate shade and tint ramps from one colour.
CSS clamp() Fluid Type
Build a fluid CSS clamp() value for type and spacing.
Glassmorphism CSS Generator
Design a frosted-glass effect and copy the CSS.
Utilities
see all →Math & Numbers
see all →Percentage Calculator
Work out any percentage, change or markup.
Fraction Simplifier
Reduce a fraction and convert it to decimal or mixed form.
GCD & LCM Calculator
Find the greatest common divisor and least common multiple.
Prime Number Checker
Test for primes, find the next prime, or list them.
Date & Time
see all →Finance
see all →Health & Fitness
see all →Security & Validation
see all →Password Strength Checker
Score a password and get specific ways to strengthen it.
Password Entropy Calculator
Measure password entropy in bits from its character pool.
Credit Card Validator
Check a card number with Luhn and detect its brand.
Email Address Validator
Check email syntax and split out the local and domain parts.