Every tool, in one list

HEIC to JPG

iPhone photos that often will not open outside Apple devices.

PNG to JPG

Shrink a photo saved as PNG down to a sensible size.

WebP to JPG

Open the pictures websites save that other apps often will not.

WebP to PNG

Same picture, transparent background kept.

JPG to PNG

When a form insists on PNG. It will not improve the photo.

PNG to WebP

Smaller files for a website, transparency intact.

JPG to WebP

Lighter pages, with both sizes shown before you commit.

HEIC to WebP

iPhone photo to web format in one encode, not two.

Compress JPG and PNG

Real before and after sizes, and a clear answer on PNG.

Resize an Image

Set a max width; the shape looks after itself.

Crop an Image

Square, story, widescreen. Cut from the centre, never squashed.

Add a Watermark

Sign a photo, or tile it so it is hard to crop off.

Remove EXIF Data

See the GPS and the date your photo is carrying, then strip it.

Image Format Benchmark

JPG vs WebP vs PNG, measured on your own files.

HEIC to JPEG

The same conversion, spelled the long way.

HEIC to PNG

Lossless output when quality matters more than size.

HEIC Viewer

Open and look at a HEIC without converting it.

Batch HEIC to JPG

A whole camera roll at once, out as one ZIP.

Documents

Organise PDF Pages

Rotate, delete and reorder pages without re-encoding.

Compress PDF

Reduce PDF file size without uploading.

Merge PDFs

Combine multiple PDFs into one.

Split PDF

Extract or split pages from a PDF.

Images to PDF

Turn images into a single PDF.

Documents

Minify JSON

Strip whitespace from JSON.

Documents

Minify SVG

Shrink SVG markup.

Convert

CSV to JSON

Convert spreadsheets to JSON.

JSON to CSV

Convert JSON arrays to CSV.

JSON to YAML

Convert JSON into YAML.

YAML to JSON

Convert YAML into JSON.

JSON to XML

Convert JSON into XML.

Markdown to HTML

Convert Markdown to HTML.

HTML to Markdown

Convert HTML to Markdown.

Text to Binary

Convert text to binary code.

Text to Hex

Convert text to hex.

Number Base Converter

Binary, hex, octal, decimal.

Unit Converter

Length, weight, temperature & more.

Timestamp Converter

Convert Unix timestamps.

Roman Numeral Converter

Numbers to Roman numerals.

Image to Base64

Encode images as data URIs.

Color Converter (HEX/RGB/HSL)

HEX, RGB and HSL.

Bytes / Data Size Converter

Bytes, KB, MB, GB, TB.

Time Zone Converter

Convert time zones.

Markdown Preview

Preview Markdown live.

Developer

What Is This File?

Identify any file by its bytes and see what it carries.

JSON Formatter

Beautify and validate JSON.

Base64 Encode / Decode

Encode and decode Base64.

URL Encode / Decode

Percent-encode URLs.

Hash Generator

Generate SHA hashes.

HTML Minifier

Minify HTML markup.

CSS Minifier

Shrink stylesheets.

JS Minifier

Compress JavaScript.

Regex Tester

Test regular expressions.

JWT Decoder

Decode token timestamps.

Cron Expression Builder

Build and read cron schedule expressions.

SQL Formatter

Format and indent SQL queries.

JSON to TypeScript

Generate TS interfaces.

Meta Tag Generator

Build SEO meta tags.

Open Graph Generator

Build OG image tags.

Fake Data Generator

Generate test data.

.gitignore Generator

Build .gitignore files.

Text Encryption (AES)

Encrypt text with a password.

Text

Word Counter

Count words, characters, sentences.

Character Counter

Live character count with limits.

Case Converter

UPPER, lower, Title, camel, snake.

Remove Duplicate Lines

Dedupe any list.

Sort & Reverse Lines

Sort or reverse any list.

Find & Replace

Bulk find and replace.

Text Diff / Compare

Compare two texts.

Slugify (URL Slug)

Turn text into URL slugs.

Whitespace Cleaner

Remove extra spaces.

Remove Line Breaks

Join wrapped lines.

Lorem Ipsum Generator

Placeholder text.

Online Notepad

Distraction-free notes.

Words to Minutes

Speech timing calculator.

Reading Time Calculator

Estimate reading time.

Keyword Density Checker

Analyze keywords.

Morse Code Translator

Text to Morse.

Calculators

Percentage Calculator

Any percentage calculation.

Age Calculator

Exact age in years, months, days.

BMI Calculator

Body mass index and category.

Loan / EMI Calculator

Monthly payment and interest.

Tip Calculator

Split a bill and add a tip.

Date Difference Calculator

Days between two dates.

Discount Calculator

Work out sale prices and savings.

Sales Tax Calculator

Add or remove sales tax and VAT.

GPA Calculator

Calculate your grade point average.

Grade Calculator

Calculate a course grade.

Calorie / TDEE Calculator

Estimate your daily calorie needs.

Mortgage Calculator

Estimate home loan payments.

Compound Interest Calculator

See how savings grow.

Time Duration Calculator

Time between two times.

Sleep Calculator

Bedtimes and wake times by sleep cycle.

Pace Calculator

Calculate running pace and time.

Salary to Hourly Calculator

Convert salary to hourly.

Paycheck Calculator

Estimate take-home pay.

Generators

Password Generator

Strong random passwords.

QR Code Generator

Create QR codes.

UUID Generator

Generate unique IDs.

Random Number Generator

Random numbers in a range.

Random Name Picker

Pick names at random.

Barcode Generator

Create barcodes.

Dice Roller

Roll virtual dice.

Coin Flip

Flip a coin.

Random String Generator

Custom random strings.

Colour and design

Color Palette Generator

Generate color schemes.

Gradient Generator

Build CSS gradients.

Contrast Checker

Check accessibility contrast.

Box Shadow Generator

Design CSS shadows.

Glassmorphism Generator

Frosted glass CSS.

CSS Clamp Calculator

Fluid sizing.

Color Extractor

Pull the dominant colours out of an image.

Time

Online Timer

Simple countdown with alarm.

Countdown Timer

Count down to a date.

Stopwatch

Count up with laps.

Pomodoro Timer

Focus work sessions.

Business Days Calculator

Count working days.