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View a PRB file online, free

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

Drop your .PRB file here

Opens your .PRB file right here.

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Up to 50 MB · 160+ text and code extensions
Instant. Opens in seconds
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100% free. No limits on use

How to open a code or text file online

Three steps, a few seconds, no software.

01

Open your .PRB file

Drop it on the box, choose it from your device, or paste the text straight in.

02

View it instantly

Your .PRB file opens neatly formatted with line numbers.

03

Search, copy or download

Search the text, jump to any line, then copy what you need or download a clean copy.

What is a .PRB file?

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

.PRB files are settings files used by PSpice, a tool developed by Cadence Design Systems, Inc. These data files store configuration details for the PROBE analysis feature. They are primarily opened and managed within the PSpice software environment.

Programs that open .PRB files

Windows
PSpice
.PRB format details
DeveloperCadence Design Systems, Inc.

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Every viewer is free to use.

Frequently asked questions

Is my .PRB 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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