Instantly escape or unescape JSON strings, encode to Base64, and safely URL encode complex text. Ensure proper payload formats and stop XSS vulnerabilities.
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Input String
Output
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Mastering Data Encoding and Escaping
When transferring data between databases, APIs, and client interfaces, maintaining proper string formatting is critical. A single unescaped quote mark {"\""} can break an entire JSON payload, crash an application, or create an open vulnerability for SQL Injection or Cross-Site Scripting (XSS).
Our String Escape utility solves this securely. You can easily serialize text blocks so they safely tuck inside JavaScript strings or JSON objects. Alternatively, if you are looking at raw server logs full of `\\n` and `\\t` characters, our Unescape tool will turn them back into legible human formatting.
URL and Base64 Conversion Made Simple
Working with web queries or data embeds demands strict adherence to formatting rules. If a URL contains invalid spaces or restricted characters, browsers will fail to resolve the request. Our URL Encode function safely translates complex strings into standard percentage notations (e.g. `%20` for spaces).
Similarly, when you need to embed small assets, tokens, or binary data directly within JSON or HTML, Base64 is the go-to standard. You can instantly encode complex Unicode text into a safe, alphanumeric Base64 string, or reverse engineer a Base64 hash back into its original readable text.
How to use this String Escape & Unescape?
1
Enter Text
Type or paste the target string or payload into the textarea.
2
Select Encoding
Choose whether you want to process String Escaping, URL Encoding, or Base64 decoding.
3
Review Result
Watch the text instantly convert according to strict web encoding standards.
4
Copy String
Copy the escaped string for use in databases or application code.
Frequently Asked Questions
String escaping is the process of adding a backslash (\\) before special characters (like quotes or newlines) so that the computer treats them as part of the string text rather than executable syntax. This is vital when passing data through JSON or JavaScript variables.
URLs can only be sent over the Internet using the ASCII character-set. If an URL contains characters outside the ASCII set (like spaces or special Unicode), the URL has to be converted. URL encoding converts non-ASCII characters into a format that can be universally transmitted.
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used to embed image data in HTML/CSS, or securely pass data tokens via APIs without losing data integrity.
Properly escaping user input is a fundamental step in stopping XSS vulnerabilities. By converting potentially dangerous characters into their safely escaped equivalents before storing them in a database or displaying them, you neutralize malicious script execution.