String Builder
Build multiline string variables from plain text with configurable quotes, separators, and newline escaping.
Build JavaScript String Variables from Multiline Text
The String Builder tool converts plain multiline text into quoted string lines that are ready to paste into code. It is useful when you need to embed long messages, templates, test fixtures, or generated content inside JavaScript or similar programming languages.
Paste your text, choose the quote style, decide how lines should be joined, and optionally append a newline marker. The output updates instantly so you can copy or download the generated string value without manual escaping.
Frequently Asked Questions
What does this String Builder generate?
It generates code-style string literals line by line. Each line is escaped and wrapped with your selected quote
type, then optionally joined with a separator such as + or ,.
Does it support multiline input?
Yes. Each input line becomes one output line, which makes it easy to preserve structure and readability in your source code.
Are special characters escaped automatically?
Yes. The tool escapes backslashes and the active quote character to prevent broken string literals in the output.
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