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Free online tools that just work.

Merge PDFs, shrink images, count words, run quick calculations and more. Most tools run right in your browser, so your files stay on your device.

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Popular tools

PDF Merger — Merge multiple PDF files

PDF Splitter — Split PDF pages into separate files

PDF Optimizer — Re-save a PDF to tidy its structure

PDF Text Extractor — Extract selectable PDF text into a .txt file

Images to PDF — Combine images into a PDF file

Text to PDF — Turn plain text into a downloadable PDF

CSV to JSON — Convert CSV data into JSON

Image Converter — Convert between PNG, JPG and WebP

Image Compressor — Compress JPG, PNG or WebP images

Image Resizer — Resize images to custom dimensions

Image to Base64 — Encode an image as a Base64 string

Color Picker — Pick a color and copy its HEX or RGB value

QR Code Generator — Create a QR code for text or a URL

Word Counter — Count words, characters and reading time

Character Counter — Count characters with and without spaces

Case Converter — Change uppercase, lowercase and title case

Remove Line Breaks — Clean up unwanted line breaks in text

Text Compare — Check whether two texts match exactly

Slug Generator — Create URL-friendly slugs from text

Lorem Ipsum Generator — Generate placeholder text

Duplicate Line Remover — Remove repeated lines from text

JSON Formatter — Format and validate JSON data

URL Encoder / Decoder — Encode or decode URL components

Percentage Calculator — Calculate percentages and changes

Discount Calculator — Calculate sale prices and savings

Unit Converter — Convert length, weight and temperature

Age Calculator — Calculate age from a date of birth

BMI Calculator — Calculate BMI using height and weight

Tip Calculator — Calculate a tip and split a bill

Savings Calculator — Estimate savings growth with regular deposits

Time Converter — Convert seconds, minutes and hours

Password Generator — Generate a random password in your browser

Random Number Generator — Generate random numbers within a range

Base64 Encoder / Decoder — Encode or decode Base64 text

LEARN

Latest guides

Plain-language how-tos to go with the tools.

All guides →

GUIDE · 5 MIN READ

How to Merge and Split PDF Files Without Uploading Them

A practical guide to combining and extracting PDF pages, why it matters where the work happens, and how to avoid common mistakes.

Read the guide →GUIDE · 4 MIN READ

PNG vs JPG vs WebP: Which Image Format Should You Use?

How PNG, JPEG and WebP differ, when each is the right choice, and how to pick a format and quality that keep images sharp and small.

Read the guide →GUIDE · 4 MIN READ

How Compound Interest Works, With Worked Examples

A plain-language explanation of compound interest, the effect of time and monthly deposits, and how to read a savings projection sensibly.

Read the guide →

WHY HANDYHEX

Useful tools,
without the hassle.

Private by design

Text, images and PDFs are processed in your browser. We do not upload your files.

Clear and honest

Every tool explains what it does and where its limits are, with worked examples.

Free and simple

No account, no watermark, no download. Open a tool and get the job done.

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