HDF5 File Viewer

HDF5 File Viewer

Free

Free online HDF5 file viewer tool. Open and browse HDF5/HDF4 format files with tree structure navigation. View dataset contents, attributes, data types, and dimension information. All processing happens locally in your browser - no server upload needed, keeping your data secure.

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About HDF5 File Viewer

Free online HDF5 file viewer tool. Open and browse HDF5/HDF4 format files with tree structure navigation. View dataset contents, attributes, data types, and dimension information. All processing happens locally in your browser - no server upload needed, keeping your data secure.

HDF5 ToolData ViewerScientific Computing
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User Guide

Key Features
  • Free online HDF5 file viewer — open and browse HDF5/HDF4 files (.h5, .hdf5, .hdf, .h4, .hdf4)
  • All processing happens locally in your browser — no server upload needed, keeping your data secure
How to Use
  1. Open the tool page — no installation needed
  2. Drag your HDF5/HDF4 file into the upload area, or click to select a file (up to 100 MB)
  3. Once parsed locally, expand and click nodes in the left tree; the right panel shows the dataset's metadata, content preview, and attributes (copy a scalar value with the Copy button)
Important Notes
  • This tool is completely free and requires no sign-up
  • Everything runs locally in your browser — your data never leaves your device

Frequently Asked Questions

What is HDF5 File Viewer?

Free online HDF5 file viewer tool. Open and browse HDF5/HDF4 format files with tree structure navigation. View dataset contents, attributes, data types, and dimension information. All processing happens locally in your browser - no server upload needed, keeping your data secure.

How do I use HDF5 File Viewer?

Open the tool page — no installation needed Drag your HDF5/HDF4 file into the upload area, or click to select a file (up to 100 MB) Once parsed locally, expand and click nodes in the left tree; the right panel shows the dataset's metadata, content preview, and attributes (copy a scalar value with the Copy button)

What should I know before using HDF5 File Viewer?

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device

Is HDF5 File Viewer free to use?

Yes, HDF5 File Viewer is completely free. No download or installation required — it runs right in your browser.