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Real-Time Log Monitoring Made Easy

LogFusion is a powerful realtime log monitoring application designed for system administrators and developers! Use custom highlighting rules, filtering and more. You can even sync your LogFusion settings between computers.

LogFusion: Real-Time Log Monitoring Made Easy

Row Highlighting
Row Highlighting

Use LogFusion's powerful custom highlighting to match text strings or regex patterns and format the matched log lines to suit your needs.

Advanced Text Filtering
Advanced Text Filtering

Use LogFusion's Advanced Text Filtering to filter and hide lines that don't match your search text, all in realtime as new lines are being added. Complex queries allow you to easily narrow down your results.

Watched Folders
Watched Folders

LogFusion can automatically add new logs from Watched Folders. Just specify the folders to monitor, and LogFusion will automatically open any new log files created in those folders.

Log Categories
Log Categories

Create Log Categories to set up default settings for logs, such as highlighting and custom columns. Log Categories save you time, and make setting up newly loaded logs a breeze.

Custom Columns
Custom Columns

Create custom column definitions and let LogFusion parse and split the log lines into your custom columns for easier reading.

Sync Highlight Rules
Sync Highlight Rules

LogFusion Pro can sync your highlighting rules online, allowing them to be easily loaded and updated from any computer where you are logged in.

Auto-Scroll (like 'tail')
Auto-Scroll (like 'tail')

Just like the 'tail' program on Linux/Unix, you can use LogFusion to show the newest lines in a log in realtime.

Supports Many Log Types
Supports Many Log Types

LogFusion can read any text log files, like server logs or application debug logs. You can also view local and remote Windows Event Logs and Event Channels, and even capture text from OutputDebugString function calls for easy application debugging.

Scrollbar Highlight Markings
Scrollbar Highlight Markings

LogFusion's scrollbar shows indicators for highlighted lines in the log file, making it easier to locate lines that match your highlight rules, especially in large log files.
LogFusion: Real-Time Log Monitoring Made Easy

Try LogFusion!

Try LogFusion right now completely free for 30 days!
After 30 days you can continue to use the free version forever.
Try LogFusion today!

What Our Customers are Saying

Jeff R.

Love the product, bought it on a whim with DisplayFusion and have been pleasantly surprised. I've used a lot of log tools over years.
-- Jeff R.

Honestly the ability to live-filter events in a GUI with a syntax like
username7 -warning -code589 -debug
is so awesome and helps me fix problems really fast.
Yes there's other ways to do it I just like this one a lot.

News

LogFusion 6.9.1 (Beta 1) Now Available!

We're very excited to announce that LogFusion 6.9.1 (Beta 1) is now available for download! This new release updates LogFusion to .NET 8 and fixes some UI issues.
Jun 21, 2024

LogFusion 6.9 Now Available!

We're very excited to announce that LogFusion 6.9 is now available for download! This new version fixes a few issues with the last release and adds a couple new settings. Update for free today!
Sep 5, 2023

LogFusion 6.8 Now Available!

We're very excited to announce that LogFusion 6.8 is now available for download! This new version fixes a few issues with the last release. Update for free today!
Jun 28, 2023

LogFusion 6.8 (Beta 1) Now Available!

We're very excited to announce that LogFusion 6.8 (Beta 1) is now available for download! This version cleans up some issues from the big release.
May 1, 2023

LogFusion 6.7 Now Available!

We're very excited to announce that LogFusion 6.7 is now available for download! This new major version fixes many issues and adds some new options. Update for free today!
Apr 12, 2023

LogFusion 6.7 Beta 9 Now Available!

We're very excited to announce that LogFusion 6.7 (Beta 9) is now available for download! This version fixes some minor UI issues.
Mar 17, 2023