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View a RZK file online, free

Open and read .RZK files online. View source, logs and text with syntax highlighting, search and line numbers, free.

Drop your .RZK file here

Opens your .RZK file right here.

Choose file
Up to 50 MB · 160+ text and code extensions
Instant. Opens in seconds
No sign-up. Just open it
100% free. No limits on use

What you get for a .RZK file

We don't have a dedicated viewer for this format, so we identify and inspect it instead — honestly, only what can be read from the file.

01

Drop your .RZK file

Choose it or drag it in. It's read right here in your browser.

02

We identify it

We read the magic bytes to tell what the file really is, its MIME type, and whether the name matches the contents.

03

See the details

Any metadata we can extract (dimensions, EXIF/GPS, document author and dates), a hex view, plus readable text and strings found inside.

What is a .RZK file?

Plain text that programs, servers and people write every day.

An RZK file is a password file created by Red Zion for use with File Crypt software. It contains data used for security purposes and is categorized as a text file. These files can be accessed using Red Zion File Crypt or a standard text editor.

Programs that open .RZK files

Windows
Red Zion File Crypt, Text editor, File Crypt
.RZK format details
DeveloperRed Zion

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Every viewer is free to use.

Frequently asked questions

Is my .RZK file uploaded anywhere?

No. The file is read and highlighted for you.

Why do some characters look wrong (é, ł)?

That usually means the file was saved in one encoding and opened in another. We detect UTF-8, UTF-16 and the Windows-1250/1252 code pages automatically and show which one was used.

Can it handle huge log files?

Yes, up to 50 MB. Only the lines on screen are drawn, so scrolling stays smooth. Syntax colours are switched off for files over 1.5 MB to keep things fast.

How do the log level filters work?

We find levels like ERROR, WARN, INFO and DEBUG on each line. Lines without a level, such as stack traces, stay with the entry above them, so filtering to errors keeps the full trace.

Can I edit the file?

This is a viewer. To change code, download it or copy it into your editor. Converting encodings and line endings is planned.

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