ALTO File — Open & Convert .xml Online
What Is a .xml File?
ALTO (.xml) is a data file format. ALTO OCR Layout Created by Library of Congress, this format is essential for developers, analysts, and data engineers.
How to Open .xml Files
Upload your .xml file to OpenAnyFile and instantly parse and transform it in your browser. No software installation required. Works on Windows, macOS, Linux, iPhone, and Android.
Everything About ALTO Files
Popular ALTO Conversions
Frequently Asked Questions
What is a .xml file?
A .xml file is a data format called ALTO. ALTO OCR Layout
How do I open a .xml file without installing software?
Upload your .xml file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .xml files?
.xml files are typically created by Library of Congress.
Can I convert .xml to another format?
Yes. OpenAnyFile converts .xml to TXT, JSON.
Is it safe to open .xml files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .xml on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.