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About
This online tool is designed to encode and decode URLs and query parameters easily and efficiently. The platform is particularly useful for developers who need to transform special characters into percent-encoded formats for reliable transmission over the Internet. It supports encoding and decoding operation directly within the browser, ensuring that user data remains private and secure as it's not sent to any server. The tool is ideal for preparing URLs for API requests, handling multilingual content, and debugging encoded URLs in web development. It offers features like syntax highlighting to enhance readability and is suited for scenarios that involve encoding query parameters for web services, API calls, and form data submission. However, it is not suitable for encoding the complete URL structure or domain names. Overall, this tool provides an essential function for web developers looking to manage URL data effectively and securely.
Problem & solution
Problem
Need to safely handle special/Unicode characters in URLs and query strings.
Solution
Browser tool to encode/decode URL components instantly with client-side processing.
Who it's for
Developers handling URLs, APIs, and web forms.
Main features
- URL encode/decode
- Works offline in browser
- No signup
- Privacy-first local processing
- Example URLs/quick run
Use cases
- Encode API query parameters
- Decode percent-encoded URLs
Comments
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- zhen caiJan 12, 2026
URL/Base64 encoding, MD5 hashing, UUID generation, secure passwords & multi-language conversion. Built with Next.js 16 + React 19 in a sleek dark UI ⚡ No sign-up required, 100% client-side privacy, open source & completely free. Perfect for debugging & data tasks. Try it: https://kitty-encode.top 🎉