Opening an RHL File

The RHL file type is primarily associated with Rhinoceros 3D.

RHL	File extension: RHL
	File type:	plain text log file

What is an RHL file

RHL files mostly belong to Rhinoceros 3D.

Purpose & Usage: RHL files are mainly used as history log files within Rhinoceros 3D. They contain a record of the commands, actions, and autosave data from modeling sessions in a plain UTF-8 text format.
This internal log helps the software recover session data and review the sequence of operations. You can open such files with any advanced text editor if you need to inspect the history or troubleshoot issues. For a full-feature experience, it is best to use Rhinoceros 3D’s built‐in tools.

Other Details:

Format: UTF-8 encoded plain text

Main Function: Saves command history and autosave information

Reference: More details are available at the Rhinoceros 3D website

Rare Use: In a few cases, RHL files may store sound data for Russian folk instruments used in synthesizer applications.

How can I open an RHL file?

You need a suitable software like Rhinoceros 3D to open an RHL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your RHL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a RHL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online RHL Text Viewer

Choose your .rhl file to view

or drag and drop it here

Online File Viewer

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How to extract texts from RHL files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

1. To do this, click the button "Choose your .rhl file to view" on this page.
2. Your RHL file will then be displayed in the browser.
3. Now click on "Save as..." at the top of the page.
4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
5. Your file will be converted and downloaded.

RHL file format:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. File extension, signature and file format must match; otherwise errors will occur when the file is opened. If there are problems opening a file, you must first determine the file format used. Our examination of the RHL files comes to the following conclusion:

As a file extension, RHL isn't very common and mainly uses a special format. However, the following two file formats are common:

• 90% of all RHL files are based on the popular UTF-8 file format. UTF-8 is the World Wide Web's most common character encoding for Unicode. UTF-8 files can be viewed with any text editor. These files start with the 3 bytes  (hex: EF BB BF), the so called byte order mark (BOM). These files are text files, so they contain words and text. The average file size is 52 bytes with most files being between 42 bytes and 60 bytes in size. This file type is based on cutting-edge technology. These files are often associated with model, rhino, autosave, site, plan, building, document, massing, unsaved and floor.
• 4% of all RHL files are Rathole compressed data files. The contents of these files cannot be read by a human; only a computer program can interpret the data. The files are on average 2 MB in size and range from 2.2 MB to 2.2 MB. Certain words are almost always found in the files, such as 1AY&SY and RHL1. balalayka.rhl is a typical file name.

All other RHL files (6%) have different formats. You can get all the details of your RHL file by dragging it onto this page or by clicking the button "Choose your .rhl file to view" above.