All the Tools You Need, Free

Calculators, converters, text tools, developer utilities, and student tools. Fast, no install, runs right in your browser.

🧮 Calculators

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Age Calculator

Calculate age from date of birth.

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BMI Calculator

Calculate your body mass index.

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Percentage Calculator

Work out percentages easily.

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Grade Calculator

Find the grade you need on the final exam.

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GPA Calculator

Compute your GPA fast, 4.0 scale.

🔄 Converters

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Unit Converter

Convert length, weight, temperature, and more.

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Case Converter

UPPER, lower, Title, camelCase.

✍️ Text Tools

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Word Counter

Count words, characters, sentences, paragraphs.

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Character Counter

Count characters with & without spaces.

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Diff Checker

Compare two texts line by line.

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Lorem Ipsum Generator

Generate lorem ipsum placeholder text.

💻 Developer Tools

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JSON Formatter

Format & validate JSON.

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Base64 Encode/Decode

Encode & decode Base64.

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URL Encode/Decode

Encode & decode URLs.

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Hash Generator

Generate SHA-1, SHA-256 hashes and more.

⚡ Generators

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Password Generator

Create strong random passwords.

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QR Code Generator

Create QR codes instantly.

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Color Picker

HEX, RGB, HSL — convert colors.

🎓 Student

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Citation Generator

Automatic APA & MLA citations.

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Pomodoro Timer

Focused study timer, 25/5.

🎲 Fun / Random

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Coin Flip

Flip a coin online.

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Dice Roller

Roll dice online.

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Random Number Generator

Random numbers within a range.

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Random Name Picker

Pick random names for draws/groups.

🖼️ Image Tools

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Image Compressor

Shrink image size (JPG/PNG/WebP) in your browser.

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Image Resizer

Resize image width & height easily.

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Image Converter

Convert between PNG, JPG, and WebP.

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Image Cropper

Crop images to any area you need.

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Image to Base64

Convert an image into Base64 / data URL.

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Image Color Picker

Pick HEX/RGB color codes from an image.

📄 PDF Tools

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Merge PDF

Merge multiple PDF files into one.

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Split PDF

Split PDF pages into separate files.

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Image to PDF

Turn multiple images into one PDF.

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PDF to Image

Extract PDF pages as PNG images.