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Free online tools that just work, plus guides that fix real problems

Compress PDFs, resize images, generate passwords, and more — instantly, privately, and for free. No installs, no accounts, no uploads to a server.

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Featured Tools

Fast, free, and private — every tool runs directly in your browser.

PDF Tools

23 tools

PDF Compressor

Shrink PDF file size in seconds without losing readability.

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PDF to JPG

Turn any PDF page into a high-quality JPG image instantly.

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PDF Merger

Combine multiple PDF files into a single document.

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PDF Splitter

Extract specific pages from a PDF into a new file.

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PDF Rotator

Fix sideways or upside-down PDF pages.

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PDF Watermark

Add a custom text watermark to every page.

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Image to PDF

Turn JPG or PNG images into a PDF document.

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PDF Page Numbers

Add page numbers to every page of a PDF.

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Invoice Generator

Create and download a professional PDF invoice.

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Extract Text from PDF

Pull all the text out of a PDF as plain text.

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Reorder PDF Pages

Drag pages into a new order and save.

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Compare PDFs

See exactly what changed between two versions.

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PDF Metadata Editor

View and edit a PDF's title, author, and more.

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Extract Images from PDF

Pull every embedded photo out of a PDF as PNGs.

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PDF to PNG

Export PDF pages as lossless PNG images.

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Crop PDF

Trim margins from every page at once.

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PDF to Grayscale

Convert a color PDF to black and white for printing.

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Word to PDF

Convert a .docx document to PDF.

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Text to PDF

Turn plain text into a clean, paginated PDF.

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Excel to PDF

Convert a spreadsheet to PDF.

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PDF OCR

Extract text from a scanned PDF.

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PDF Signer

Draw or upload a signature and place it on a PDF.

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PDF Redactor

Black out sensitive text before sharing a PDF.

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Image Tools

24 tools

JPG to PNG

Convert JPG images to PNG format right in your browser.

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PNG to JPG

Convert PNG images to JPG format right in your browser.

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Image Resizer

Resize any image to exact dimensions or percentage scale.

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Image Compressor

Shrink a photo's file size without changing its dimensions.

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Favicon Generator

Create a complete favicon.ico and PNG set from any image.

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Image Cropper

Drag to select and crop any part of an image.

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Image Watermark

Stamp a text watermark onto a photo.

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Image to Text (OCR)

Extract text from a screenshot or photo.

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Meme Generator

Add top and bottom text to any image.

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JPG to WebP

Convert a JPG to the modern WebP format.

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PNG to WebP

Convert a PNG to WebP with transparency kept.

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WebP to JPG

Convert a WebP image to JPG.

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WebP to PNG

Convert a WebP image to PNG, transparency kept.

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Image Rotator

Rotate a photo in 90° steps.

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Image Flip

Mirror an image horizontally or vertically.

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Image Color Picker

Click any pixel to get its HEX and RGB code.

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Image to Base64

Turn an image into a data URI for CSS or HTML.

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Photo Filters

Adjust brightness, contrast, saturation, and more.

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Image Metadata Viewer

See a photo's camera info and GPS data before sharing.

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Passport Photo Maker

Crop a photo to the correct passport/visa size.

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Photo Collage Maker

Combine multiple photos into one grid layout.

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Image Splitter

Split one photo into an equal grid of pieces.

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Image Blur Tool

Blur or pixelate part of a photo before sharing.

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Signature Maker

Draw or type a signature as a transparent PNG.

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Calculators & Converters

26 tools

Unit Converter

Convert length, weight, and temperature units instantly.

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BMI Calculator

Calculate your Body Mass Index in metric or imperial.

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Percentage Calculator

Find percentages, differences, and percent changes fast.

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Age Calculator

Find your exact age in years, months, and days.

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Color Converter

Convert colors between HEX, RGB, and HSL instantly.

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Timestamp Converter

Convert Unix timestamps to dates and back.

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Loan Calculator

Estimate a monthly loan or mortgage payment.

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Tip Calculator

Split the bill and calculate a tip.

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GPA Calculator

Calculate your grade point average.

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Countdown Timer & Stopwatch

Set a timer or track elapsed time with laps.

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Random Number Generator

Generate random numbers in any range.

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Dice Roller

Roll virtual d4 through d20 dice.

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Coin Flip

Heads or tails, truly random.

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Time Zone Converter

See one moment across major world cities.

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Date Difference Calculator

Find the days, weeks, or years between two dates.

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Discount Calculator

Find the final price after a discount and tax.

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Fuel Cost Calculator

Work out what a road trip will cost in fuel.

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Calorie Calculator

Estimate your daily calorie needs (BMR & TDEE).

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Interest Calculator

Calculate simple or compound interest.

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Grade Calculator

Weighted grades, and what you need on your final.

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Mortgage Calculator

Estimate your monthly mortgage payment.

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Sales Tax Calculator

Add tax to a price, or find the price before tax.

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Salary to Hourly Converter

Convert between hourly rate and annual salary.

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Pregnancy Due Date Calculator

Estimate your due date from your last period.

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Ovulation Calculator

Estimate your fertile window and ovulation day.

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Body Fat Calculator

Estimate body fat % with the US Navy method.

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Developer Tools

17 tools

Popular Guides

Clear how-to guides that pair directly with the tools above.

PDF

How to Compress a PDF Without Losing Quality

What actually makes a PDF large, and how to shrink it the right way.

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Images

JPG vs PNG vs WebP: Which Should You Use?

A practical breakdown of image formats and when each one wins.

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Security

How to Create a Strong Password You Can Remember

The method security pros actually use — no sticky notes required.

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PDF

Why and When to Convert a PDF Page to an Image

Real use cases for turning PDF pages into JPGs, plus how to do it.

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Writing

How Long Should Your Essay, Resume, or Post Be?

Word count benchmarks for essays, resumes, blog posts, and more.

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PDF

How to Merge, Split, and Reorder PDF Pages

A practical guide to combining PDFs and fixing page order without extra software.

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Privacy

What Your Photos Reveal: EXIF Data & GPS Privacy

Photos can secretly contain GPS coordinates. Here's how to check yours.

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Images

How to Convert Images to and from WebP

Smaller files, but not every app accepts them yet — here's when to convert.

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Finance

Simple vs Compound Interest, Explained With Real Numbers

They sound similar but produce very different results over time.

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Writing

How to Compare Two Documents and Spot Every Change

What a line-by-line diff actually shows, and how to read it correctly.

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Health

Understanding BMI: What It Tells You and What It Doesn't

The formula, the categories, and BMI's real limitations.

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Developer

JSON Formatting and Validation, Explained

Why JSON.parse fails on things that look fine, and how to fix them fast.

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Developer

QR Codes Explained: How They Work and When to Use Them

What error correction does, and how to make a code that scans reliably.

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Photography

How to Take a Passport Photo at Home (No Studio Needed)

Get the background, lighting, and sizing right without paying a studio.

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Privacy

How to Blur a Face or License Plate in a Photo Before Sharing

Blur vs pixelate, and which one actually protects privacy better.

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PDF

How to Redact a PDF the Right Way (Not Just Cover It Up)

Why a black box in a PDF editor often doesn't remove the text underneath.

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Social Media

How to Get Bold, Italic & Fancy Fonts for Instagram Bio

Why these "fonts" actually work when pasted anywhere, explained simply.

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Developer

Regex Cheat Sheet: Common Patterns Explained

The most-searched regex patterns, verified working, with real examples.

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Security

Is Your Password Actually Strong? How to Tell

What entropy really means, and why length beats symbol tricks.

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Finance

How Much House Can You Afford? Understanding Your Mortgage Payment

PITI, the 28/36 rule, and how much a lower rate really saves you.

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Career

Hourly vs Salary: How to Actually Compare Job Offers

The conversion math, plus what a pay-rate comparison alone misses.

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PDF

How to Sign a PDF Without Printing It

Draw or type a signature and place it on any PDF in seconds.

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