A client-side utility for transforming text between Base64, URL percent-encoding, and HTML entity formats securely.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install base64-encode
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install base64-encode using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Base64 / URL / HTML Encoder & Decoder?
The base64-encode skill is a robust utility designed for Openclaw Skills users who need to transform text data quickly and securely. It operates entirely client-side, ensuring that sensitive strings are processed without making external network calls. This skill simplifies common development tasks by providing a unified interface for three essential encoding types: Base64, URL percent-encoding, and HTML entity escaping.
By integrating this tool into your workflow, you ensure that data integrity is maintained across different protocols and platforms. Whether you are prepping data for a web API, escaping characters for browser rendering, or converting strings into a portable Base64 format, this skill handles the heavy lifting with precision and proper UTF-8 support.
Base64 / URL / HTML Encoder & Decoder Use Cases
- Encoding sensitive strings into Base64 for data transmission or storage.
- Decoding Base64 responses from APIs to read underlying text content.
- URL percent-encoding query parameters to ensure valid web requests.
- Escaping HTML special characters like
<and>to prevent XSS and rendering issues. - Converting Unicode and non-ASCII text into safe, transportable formats.
How Base64 / URL / HTML Encoder & Decoder Works
- The user provides a text string along with the desired encoding type (base64, url, or html) and direction (encode or decode).
- For Base64, the skill converts the input to UTF-8 byte sequences before applying the standard encoding alphabet and padding.
- For URL encoding, it applies encodeURIComponent semantics to transform reserved characters into percent-escaped sequences.
- For HTML entities, it identifies specific characters like ampersands or quotes and replaces them with their named entity equivalents.
- The skill validates the input for errors (such as invalid Base64 characters) and returns the transformed string with a summary of the operation.
Base64 / URL / HTML Encoder & Decoder Setup
To add this capability to your environment, include the skill in your Openclaw Skills configuration. Since this is a logic-based tool, no external API keys are required.
# Example of triggering the skill via a CLI agent
# "Please base64 encode the string 'Hello World'"
Base64 / URL / HTML Encoder & Decoder Data Schema & Taxonomy
The skill processes data using a structured input-output model to ensure consistency across different Openclaw Skills implementations:
| Attribute | Description | Options |
|---|---|---|
text |
The raw string to be processed | String (required) |
type |
The transformation algorithm | base64, url, html |
direction |
The operation to perform | encode, decode |
output |
The resulting transformed string | String |
All operations utilize UTF-8 character encoding to prevent data loss when handling international characters.
Base64 / URL / HTML Encoder & Decoder Advanced Features
- Full UTF-8 and Unicode Support: Correctly handles non-ASCII characters through a pre-conversion byte sequence process.
- Error Validation: Built-in checks for invalid Base64 padding and malformed URL hex sequences.
- XSS Prevention: Quick-fire HTML entity escaping for sanitizing user-generated content.
- Zero External Dependency: Processes all transformations locally, making it an ideal choice for privacy-conscious Openclaw Skills workflows.
SKILL.md
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