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View a RWD file online, free

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

Drop your .RWD file here

Opens your .RWD file right here.

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Up to 50 MB · 160+ text and code extensions
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What you get for a .RWD 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 .RWD 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 .RWD file?

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

An RWD file is an NRG Raw Wind Data File, which is categorized as a data archive. These files store wind measurement information collected by NRG Systems hardware. They are typically accessed and processed using the Symphonie Data Retriever software.

Programs that open .RWD files

Windows
Symphonie Data Retriever
.RWD format details
DeveloperNRG Systems

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Frequently asked questions

Is my .RWD 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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