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ONE to HTM converter

Convert ONE to HTM online from any device with a free converter.

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We have already processed 5,836,840 files with total size of 9,545,260 Mbytes

About Conversion app

Convert ONE to HTM files online with our free converter app. No matter your platform — Windows 10, Mac, Android or iPhone — you can convert ONE files rapidly.

This app supports document, audio, archive, image and video conversions. We support a wide range of popular file formats, including PDF, Word, Excel, and PowerPoint, as well as specialized formats like DWG, STL, MD, and more. Batch conversion is available for archive files

To change ONE to HTM just upload your file, pick the output format and hit the Convert button. After the conversion is finished, download your HTM file instantly. No email needed.

Check our video
ONE

Microsoft OneNote File Format

The ONE file format, also known as OneNote Document, it was developed by Microsoft for storing digital notes, including text, images, audio, and other multimedia content, primarily used in Microsoft OneNote. It is supported by Microsoft OneNote across platforms, including Windows, macOS, iOS, and Android, and can be accessed via web-based OneNote or third-party tools with limited compatibility. The format organizes notes into hierarchical sections and pages, supports advanced features like embedded files, handwriting recognition, and cloud synchronization, making it ideal for collaborative and multi-device workflows.

HTM

Hypertext Markup Language File

HTM is a file format used to create and structure content for web pages, defining elements like text, images, and links. It can be opened and edited using text editors like Notepad or specialized tools like Visual Studio Code, Adobe Dreamweaver, or web browsers for rendering. The format uses tags enclosed in angle brackets to define elements, supports CSS for styling, JavaScript for interactivity, and can include multimedia, making it the foundation of modern web development.

Add the conversion API to your app

  • Convert over 200 file formats — including PDF, Word, Excel, HTML, images, and many more
  • Load files from disk, URLs, FTP servers, or cloud storage (such as Amazon S3 or Azure)
  • Customize output settings — rotate and reorder pages, add comments, or apply watermarks
How it works

How to convert ONE to HTM

Step 1
Click inside the file drop area to upload ONE file or drag & drop ONE file.
Step 2
Click on Convert button. Your ONE files will be uploaded and converted to HTM result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the HTM file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert ONE into many other file formats. Please see the complete list below.

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