Advertisement
Loading converter...

XML to String Converter Online 2026 - Fast, Secure & Private

Instantly minify and escape XML into a safe single-line string for API payloads, SQL inserts, or JavaScript strings. 100% client-side privacy. Free online tool.

Key Features

  • Minification and escaping
  • Single line output
  • Preserves XML integrity
  • Safe for API payloads

How to Use

  1. Paste your formatted XML
  2. Choose the target context: JavaScript string, SQL string, or XML-escaped text
  3. Select "Convert to String"
  4. Copy the escaped single-line output
  5. Insert into your source code, API request, or parameterized query

Expert FAQ

  • I need this string inside a JavaScript string literal, not just as raw XML — does it escape differently depending on the target?
    Yes, this matters more than it looks: escaping for a JS single-quoted string only needs to handle ' and \, escaping for a SQL string literal needs to handle ' (usually doubled to ''), and escaping XML for embedding inside another XML document (as text content) needs </>/& entity escaping instead. This tool exposes those as separate output modes rather than one generic "escaped" output, because applying JS-string escaping rules to a value destined for a SQL query (or vice versa) produces a string that looks escaped but is actually wrong for its destination.
  • Does stringifying also minify, or do I need to format first?
    It does both in one pass — inter-tag whitespace is stripped as part of producing the single-line output, so you don't need to run the XML Minifier first. If you want the pre-minified structure preserved for reference, keep a formatted copy on the side; this tool's output is intentionally not meant to be human-read afterward.
  • What happens to a CDATA section when the XML gets stringified and re-escaped?
    The CDATA content itself is preserved, but note that a CDATA block's entire purpose — holding raw, unescaped markup or text — becomes redundant once the whole document is itself wrapped as an escaped string. If your downstream consumer un-escapes and re-parses the string as XML, the CDATA section round-trips correctly; if it only ever needed the text content, converting via XML to JSON first is usually the more direct path.
  • Is this safe to use for building SQL INSERT statements directly?
    It correctly escapes quote characters for SQL string-literal syntax, but string concatenation into SQL is inherently risky regardless of how carefully the escaping is done — the safe pattern is always parameterized queries/prepared statements, with this tool's output used as the parameter value rather than concatenated directly into query text. Treat the SQL-escaped mode as a convenience for logging or ad-hoc scripts, not a substitute for parameterization in production code.

Technical Details

Stringifying XML means two things happen together: the document is serialized to a single line (all inter-tag whitespace removed, matching what the XML Minifier does), and then the result is escaped for whatever context it's going to be embedded in — a JavaScript string literal, a SQL string literal, or as escaped text content inside another XML/HTML document. These are three different escaping grammars, not one universal "escaped string": JS needs backslash and quote escaping, SQL needs quote-doubling (or backslash escaping depending on dialect), and XML-within-XML needs the five predefined entities (& < > ' "). Applying the wrong one produces output that looks plausible but breaks — or worse, silently corrupts — in its actual destination. CDATA sections are preserved through the stringify step, but it's worth noting their original purpose (holding literal markup without escaping) becomes moot once the entire document is itself being escaped as a string — if a downstream system only needs the CDATA's text content rather than a round-trippable XML document, converting with XML to JSON first is usually more direct than stringifying and later re-parsing. For the SQL use case specifically: correct quote-escaping makes a string syntactically safe to embed in a query, but string concatenation into SQL text is a fragile and risky pattern regardless of escaping correctness — the escaped output here is meant to be used as a bound parameter value in a prepared statement, not concatenated directly into a query string, which is the actual defense against SQL injection.

Advertisement