Encoding Tools

Encoding is a daily part of modern development. You encode data to make it safe for transport, embed it inside text-based formats, or preserve special characters across systems. When you’re debugging, the ability to encode and decode quickly can save a surprising amount of time.

DevToolDock’s encoding tools cover the most common workflows: Base64, URL encoding, and HTML entity conversion. These utilities run in your browser and are designed for fast iteration—copy in, convert, copy out.

Use the tool list below to jump to a specific converter, then explore related categories for JSON and security helpers.

Encoding issues usually show up as “weird characters,” broken redirects, or blobs that are impossible to read. Having a dedicated set of encoding tools makes it easy to confirm what data actually looks like at each step (before/after transport), which is especially useful when multiple services are involved.

Tools included

Encoding Tools

Base64 Encoder

Encode text to Base64.

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Encoding Tools

Base64 Decoder

Decode Base64 to text.

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URL Tools

URL Encoder

Encode text for use in URLs.

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URL Tools

URL Decoder

Decode URL-encoded text.

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Encoding Tools

HTML Encoder

Encode text to HTML entities.

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Encoding Tools

HTML Decoder

Decode HTML entities to text.

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URL Tools

URL Parser

Parse a URL into components and query params.

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URL Tools

Query String Parser

Parse query strings into key/value pairs.

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URL Tools

UTM Link Generator

Generate UTM-tracked URLs for campaigns.

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Common use cases

  • Base64 encode/decode strings when working with tokens, payloads, or fixtures.
  • URL-encode query string values and decode them when debugging redirects.
  • Encode HTML entities to safely display user-provided text in markup.
  • Decode HTML entities when copying content from rendered pages back into source.
  • Pair encoding utilities with JSON tools when working with API payloads.

Final thoughts

Encoding problems are usually small but high-impact—broken URLs, corrupted payloads, or unreadable blobs. Keep encoding tools close to your workflow and you’ll debug faster.

For deeper debugging, jump to /json-tools-online and /base64-tools, or browse the full directory on /all-tools.

If you frequently work with auth tokens and signatures, pair encoding tools with security utilities like the JWT decoder so you can inspect claims and payloads without manual conversions.