100 MB XML sample

An XML file of exactly 104,857,600 bytes. It is a valid Extensible Markup Language file, generated by this site. Compare its checksum and test it with the parser used by your application. Use it wherever you need a 100 MB sample, test or dummy XML file.

sample-xml-100mb.xml

100 MB104,857,600 bytes

Download 100 MB XML

Created in your browser and, in browsers that can stream to disk, sent straight to your downloads list; this can take a minute. No sign-up.

Type: application/xml
SHA-256: c8f360988a62369c5a0e90fce14b7bb7a1fe9f4f1c53f0eb68e928cc806c33fe
Delivery: Created in your browser from static generator assets (how it works).

What is in this file

A <customers> root element holding 322,895 fictional records that mix child elements, attributes and an empty element. An XML comment before the closing tag brings the file to the exact size.

Elements	322,895 <customer> records
Root element	<customers>
Declaration	XML 1.0, UTF-8
Encoding	UTF-8 (ASCII characters only)

How the file begins

The opening lines of sample-xml-100mb.xml, exactly as they appear in the file.

00000000  3c 3f 78 6d 6c 20 76 65  72 73 69 6f 6e 3d 22 31 |<?xml version="1|
00000010  2e 30 22 20 65 6e 63 6f  64 69 6e 67 3d 22 55 54 |.0" encoding="UT|
00000020  46 2d 38 22 3f 3e 0a 3c  63 75 73 74 6f 6d 65 72 |F-8"?>.<customer|
00000030  73 20 67 65 6e 65 72 61  74 6f 72 3d 22 53 61 6d |s generator="Sam|

Preview

Creates the file in your browser and shows its first 64 KB.

Where 100 MB matters

A 104,857,600-byte file: the request-body limit of Cloudflare's Free and Pro plans, and the size above which GitHub rejects a file outright.

All 100 MB sample files

Use this file for

Measuring download speed from your own server or CDN
Testing feed readers and SOAP clients
Testing XML parsers and data import

Testing notes for XML

Namespaces change element identity: <name> in two namespaces is two different elements.
Parsers that resolve external entities can be made to read local files or call internal services, an attack called XXE. Disable DTD processing for untrusted input.

XML format reference

Technical details

File name	sample-xml-100mb.xml
Format	XML (Extensible Markup Language)
Extension	.xml
MIME type	application/xml
Size	104,857,600 bytes (100 MB)
Kind	Text
Signature	3C 3F 78 6D 6C
SHA-256	c8f360988a62369c5a0e90fce14b7bb7a1fe9f4f1c53f0eb68e928cc806c33fe
Created	2026-10-23
Validation	See the listed size and SHA-256. Small downloads are checked in the browser; verify streamed downloads manually. A hash match does not prove parser compatibility.
Preview	Available on this page
Source	Generated in your browser by this site's generator; not copied from elsewhere
Licence	Free to use, modify and redistribute (terms)
Category	Data

Check the stated structure and checksum against your application requirements. As with any download, scan the file with your own security tools before opening it. How files are made and checked

Verify your copy

This file is created in your browser, so it has no direct URL for curl or wget. The generator is designed to produce reproducible bytes. After saving, compare the checksum with the SHA-256 value above.

sha256sum sample-xml-100mb.xml     # Linux
shasum -a 256 sample-xml-100mb.xml # macOS

On Windows, run Get-FileHash sample-xml-100mb.xml -Algorithm SHA256 in PowerShell. For scripts and pipelines, save the file once and keep your own copy.

Related files

Questions about this file

Is this file exactly 100 MB?: Yes. It is 104,857,600 bytes, which is 100 MB in the binary units that operating systems and server limits use (1 KB = 1,024 bytes).
What is inside the 100 MB XML file?: A <customers> root element holding 322,895 fictional records that mix child elements, attributes and an empty element. An XML comment before the closing tag brings the file to the exact size.
Do the XML samples use a DTD or entities?: No. They have an XML declaration and no DOCTYPE, so they are safe for parsers with DTD processing disabled.

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