One-Stop Developer Toolbox

A collection of essential offline developer tools to boost your productivity. Available for macOS, Windows, and Linux.

OfflineTools Application Screenshot

🧰 What's in the box?

OfflineTools provides powerful utilities for developers in a single, well-designed desktop application. All tools are also available online for free use in your browser.

Ethereum Unit Converter icon

Ethereum Unit Converter

Convert between Ethereum units including Wei, Gwei, Ether, Finney, and Szabo with precision.

JSON Formatter icon

JSON Formatter

Format and beautify your JSON with customizable indentation options.

HTML Text Extractor icon

HTML Text Extractor

Extract plain text from HTML content with customizable options for handling links, images, and formatting.

Base64 Encoder/Decoder icon

Base64 Encoder/Decoder

Convert text to Base64 or decode Base64 to plaintext with URL-safe option.

Binary Base64 Encoder/Decoder icon

Binary Base64 Encoder/Decoder

Convert binary files to Base64 or decode Base64 to binary files.

URL Encoder/Decoder icon

URL Encoder/Decoder

Encode text for use in URLs or decode URL-encoded text.

File & Text Hash Compare icon

File & Text Hash Compare

Compare hashes of files or text strings using different algorithms.

Text Hash Generator icon

Text Hash Generator

Generate cryptographic hashes from text using various algorithms including SHA-256, SHA-3, and RIPEMD-160.

File Generator icon

File Generator

Generate files with specific size and format with random data, zeros, or custom patterns.

UUID Generator icon

UUID Generator

Generate universally unique identifiers (UUIDs) in various formats (v1, v4, v5, v6, v7).

Speech Length Estimator icon

Speech Length Estimator

Calculate how long it will take to speak a text with adjustable speed settings.

Text to Slug icon

Text to Slug

Convert text to URL-friendly slugs with customizable separators and character handling.

Unit Converter icon

Unit Converter

Convert between units of length, weight, temperature, volume, area, energy, and power with precision.

For every developer workflow

OfflineTools adapts to how you work, whether you're a frontend developer, backend engineer, or DevOps specialist.

Frontend Developers

Frontend Developer Tools Screenshot

Streamline your frontend workflow with tools for JSON, CSS, color manipulation, and more, all integrated in one application.

Backend Engineers

Backend Developer Tools Screenshot

Decode JWTs, generate UUIDs, hash strings, and test regular expressions without leaving your desktop or exposing sensitive data online.

Ready to boost your productivity?

Join thousands of developers who use OfflineTools to streamline their daily tasks.

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