How to open a code or text file online
Three steps, a few seconds, no software.
Open your .RES file
Drop it on the box, choose it from your device, or paste the text straight in.
View it instantly
Your .RES file opens neatly formatted with line numbers.
Search, copy or download
Search the text, jump to any line, then copy what you need or download a clean copy.
What is a .RES file?
Plain text that programs, servers and people write every day.
A .RES file is a Windows compiled resource file, the binary output of the Resource Compiler (rc.exe) that bundles an app's icons, cursors, dialogs, menus, strings, and version info. Developers open it with Resource Hacker (free) or Visual Studio. If you did not write the program it came from, you likely do not need to open it at all.
Programs that open .RES files
| Full name | Windows Compiled Resource File |
|---|---|
| Developer | Microsoft (Windows Resource Compiler) |
| First released | 1980s–1990s (Windows SDK / Resource Compiler) |
| Category | Text & Code |
| MIME type | application/octet-stream |
| Signature | 00 00 00 00 20 00 00 00 FF FF 00 00 FF FF 00 00 First resource is an empty "type 0" header (32-byte null/marker block) |
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Frequently asked questions
Is my .RES 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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