Online HPROF Analyzer

Analyze Java HPROF heap dump files online to identify memory leaks and optimize memory usage.

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About This Tool

This online HPROF analyzer allows developers to upload Java heap dump files (.hprof) and get detailed analysis of memory usage. The tool parses the HPROF format to show heap statistics, object counts, memory consumption by class, and potential memory leak indicators. It provides both a quick overview and detailed breakdowns to help optimize Java application memory performance.

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How to Use

Upload your HPROF file using the drag-and-drop area or file selector
Choose analysis options (basic statistics or detailed heap analysis)
Click 'Analyze HPROF File' to process the heap dump
View results including heap summary, top memory-consuming classes, and object allocation patterns
Download the analysis report as JSON for further investigation

Frequently Asked Questions

Find Quick Answers

What is an HPROF file?

HPROF is a binary heap dump format generated by Java Virtual Machines (JVM) for memory profiling. It contains snapshots of all objects in the heap at a specific point in time.

What information can I get from this analyzer?

The analyzer provides heap size statistics, object counts by class, memory consumption per class, garbage collection root information, and identification of potential memory leak patterns.

Is my HPROF file uploaded to your servers?

For basic analysis, processing happens entirely in your browser. For advanced analysis requiring server-side processing, files are temporarily processed on our secure servers and immediately deleted after analysis.

What's the maximum file size supported?

The tool supports HPROF files up to 500MB for browser-based analysis and up to 2GB for server-side processing.

Can I analyze HPROF files from different JVM versions?

Yes, the tool supports HPROF formats from Java 5 through Java 21, including both ASCII and binary formats.

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