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Best For

Use File Size Analyzer when you need to inspect, convert, compare, or package technical material quickly. The page is designed around a focused workflow: bring in the code, data, markup, URL, or technical file, make the adjustment or check, then copy or download the result for your repo, ticket, documentation, or handoff.

Most work happens locally in your browser, which keeps files and text on your device and makes quick repeat checks practical. Review the output, then copy or download the result for your repo, ticket, documentation, or handoff.

Common workflows

  • Downloads Folder Cleanup
  • Photo Library Cleanup
  • Website Asset Cleanup
  • Video Project Folders

Features

Interactive Charts

Treemap and bar chart views make it easy to see relative file sizes at a glance.

Instant Analysis

Drop a folder and the size breakdown appears in seconds — no upload required.

Fully Private

File sizes are computed in your browser. No file contents are ever read or transmitted.

How It Works

1
Drop your folder

Drag a project directory onto the tool or click to select a folder from your device.

2
Review the breakdown

The tool displays total folder size with a breakdown by file and subdirectory.

3
Find large files

Sort by size to immediately spot oversized files and directories.

4
Drill in

Click on folders to explore their contents and find exactly where disk space is being used.

Frequently Asked Questions

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