Encoding Tools

Free online encoding and decoding tools for developers. Convert data between Base64, URL encoding, HTML entities and more. Process images to Base64 and decode JWT tokens. All client-side, no server required.

Available Tools

🔐 Base64 Encoder / Decoder 🔤 HTML Encoder - Decoder 🖼 Image to Base64 🧵 JSON String Escape 🔗 URL Encoder / Decoder 🔢 Binary ↔ Text Converter 🔤 ASCII ↔ Text Converter

Why use online encoding tools?

Encoding and decoding data is a constant task in web development. From Base64 encoding API payloads to URL encoding query parameters and escaping HTML entities, developers need fast, reliable tools. These encoders and decoders run entirely in your browser ensuring data privacy.

More DevUtils Tools

Looking for a different tool? Browse all 68 developer tools or go back to the DevUtils homepage.