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ExportString: Convert expressions to a format string (TIFF, text, etc.)—Wolfram Documentation

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ExportString[expr,"format"]

generates a string corresponding to expr exported in the specified format.

ExportString[rules,{"format","Rules"}]

gives explicit rules for different elements of the data to be exported.

ExportString[exprs,elems]

generates a string by treating exprs as elements specified by elems.

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ExportString   

Listing of Formats »

ExportString[expr,"format"]

generates a string corresponding to expr exported in the specified format.

ExportString[rules,{"format","Rules"}]

gives explicit rules for different elements of the data to be exported.

ExportString[exprs,elems]

generates a string by treating exprs as elements specified by elems.

Details

  • ExportString generates a string corresponding to data exported in the specified format.
  • ExportString handles a large number of formats, each typically with many different possible elements. The possible formats are given in the list $ExportFormats, and in the "Listing of All Formats".
  • ExportString works just like Export, with the same element specifications and options.
  • Many graphics, sound, and binary formats yield strings containing non‐printable characters.

Examples

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Basic Examples  (2)

Export in MathML format:

Wolfram Language code: ExportString[x + y, "MathML"]

Show explicitly as a string:

Wolfram Language code: InputForm[%]

Export a graphic in SVG format:

Wolfram Language code: ExportString[Graphics[Disk[]], "SVG"]

Scope  (4)

Export an array to a "CSV" string:

Wolfram Language code: ExportString[{{1, "one"}, {2, "two"}}, "CSV"]

Export the same array to a "JSON" string:

Wolfram Language code: ExportString[{{1, "one"}, {2, "two"}}, "JSON"]

Export a graph as a "Graph6" string:

Wolfram Language code: ExportString[HypercubeGraph[3], "Graph6"]

Export with an option to suppress the header:

Wolfram Language code: ExportString[HypercubeGraph[3], "Graph6", "Header" -> False]

Export multiple graphs as "Graph6" strings:

Wolfram Language code: ExportString[Table[HypercubeGraph[n], {n, 0, 4}], "Graph6", "Header" -> False]

Many formats give strings containing non-printable characters:

Wolfram Language code: ExportString[[image], "GIF"]//InputForm
Wolfram Language code: FullForm[%]

Export a "ZIP" file with multiple subelements using the "Rules" syntax:

Wolfram Language code: zipData = ExportString[ <|"a.gif" -> \!\(\*GraphicsBox[«3»]\), "b.txt" -> "earth seen from space"|>, {"ZIP", "Rules"} ];

Verify the resulting files in the ZIP data:

Wolfram Language code: ImportString[zipData]

This is equivalent to the following syntax using subelements:

Wolfram Language code: zipData = ExportString[{\!\(\*GraphicsBox[«3»]\), "earth seen from space"}, {"ZIP", {"a.gif", "b.txt" }}];

Verify the resulting files in the ZIP data:

Wolfram Language code: ImportString[zipData]
Wolfram Research (1999), ExportString, Wolfram Language function, https://reference.wolfram.com/language/ref/ExportString.html (updated 2007).

Text

Wolfram Research (1999), ExportString, Wolfram Language function, https://reference.wolfram.com/language/ref/ExportString.html (updated 2007).

CMS

Wolfram Language. 1999. "ExportString." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2007. https://reference.wolfram.com/language/ref/ExportString.html.

APA

Wolfram Language. (1999). ExportString. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/ExportString.html

BibTeX

@misc{reference.wolfram_2026_exportstring, author="Wolfram Research", title="{ExportString}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/ExportString.html}", note=[Accessed: 14-November-2026]}

BibLaTeX

@online{reference.wolfram_2026_exportstring, organization={Wolfram Research}, title={ExportString}, year={2007}, url={https://reference.wolfram.com/language/ref/ExportString.html}, note=[Accessed: 14-November-2026]}