Calculators

Compress PDF

Shrink a PDF's file size.

Merge PDF

Combine PDFs into one file.

PDF Viewer

Open and read a PDF.

Split PDF

Split a PDF by page range.

Organize PDF

Reorder and rotate pages.

Rotate PDF

Turn all or selected pages.

Remove PDF pages

Delete pages you don't need.

Extract PDF pages

Save chosen pages as a new PDF.

Image to PDF

Turn images into a PDF.

PDF to Image

Convert PDF pages to JPG or PNG.

Repair PDF

Fix a damaged PDF.

OCR PDF

Make scanned PDFs searchable.

Convert Image

Convert images between any formats.

Compress Image

Shrink JPG, PNG and WebP files.

Favicon Generator

Make a favicon.ico and icon set.

Resize Image

Change size in pixels or percent.

Crop Image

Crop, rotate or flip images.

SVG Optimizer

Shrink and clean up SVG files.

Image to Text

Extract text from images with OCR.

Remove Image Background

Cut out the subject.

Rotate and Flip Image

Rotate by any angle or flip, then save.

Contrast Checker

WCAG AA and AAA checks.

Color Converter

HEX, RGB, HSL, OKLCH and CMYK.

Tint and Shade Generator

Make tints and shades of any color.

Gradient Generator

Linear, radial and conic gradients.

Word & Character Counter

Count words, characters and reading time.

Case Converter

UPPER, Title, camelCase and more.

Lorem Ipsum Generator

Placeholder text by paragraph or word.

Text Diff Checker

Compare two texts line, word or character.

Sort Lines

Sort lines A to Z, by length or number.

Remove Duplicate Lines

Remove repeated lines from a list or text.

Markdown Preview

Write Markdown and see it live.

Slug Generator

Turn text into clean URL slugs.

JSON Formatter

Validate, format, minify and sort JSON.

Regex Tester

Test JavaScript regex with live matches.

chmod Calculator

Unix file permissions, octal and symbolic.

URL Encoder/Decoder

Encode and decode URLs and queries.

Base64 Encoder/Decoder

Encode and decode text and files.

Image to Base64

Turn an image into a Base64 data URI.

Base64 to Image

Preview and download an image from Base64.

UUID Generator

Generate v4 and v7 UUIDs in bulk.

JWT Decoder

Decode and inspect JSON Web Tokens.

Hash Generator

MD5, SHA-1, SHA-256 and more, with HMAC.

Unix Timestamp Converter

Convert timestamps and dates.

Cron Expression Explainer

Plain-English cron with the next 10 runs.

Password Generator

Strong passwords and passphrases.

CSV to JSON Converter

CSV to JSON with delimiter detection.

YAML to JSON Converter

Convert YAML and JSON both ways.

Number Base Converter

Convert numbers between bases 2 to 36.

Markdown to HTML Converter

Markdown to HTML with a safe live preview.

JSON to CSV Converter

JSON to CSV with nested key flattening.

HTML to Markdown Converter

Turn HTML or rich text into Markdown.

SQL Formatter

Format and minify SQL in many dialects.

CSS and JavaScript Minifier

Minify or beautify CSS and JavaScript.

JSON Diff

Compare two JSON documents by path.

Age & Date Calculator

Birth weekday and age in years, days and hours.

Date Difference Calculator

Days, weeks, months and years between dates.

Grid Calculator

Pixel-exact columns and gutters.

Type Scale Calculator

Modular type scale with fluid export.

Aspect Ratio Calculator

Simplify a ratio or resize to one.

Percentage Calculator

Percent of, change and difference.

Tip & Split Calculator

Work out the tip and split the bill.

Hijri to Gregorian

Convert an Umm al-Qura date to Gregorian.

Gregorian to Hijri

Convert a Gregorian date to Umm al-Qura.

Paper Size Converter

A-series and US sizes in mm, inches and pixels.

PX to REM & EM Converter

Convert px to rem, em, pt, % and vw.

QR Code Generator

Make QR codes for links, Wi-Fi and more.

Box Shadow Generator

Layered CSS shadows with live preview.

Border Radius Generator

Per-corner radii with draggable handles.

Unit Converter

Length, mass, temperature, speed and more.