FILE TOOL // 78

Backup Set Size Analyzer

Measure a selected backup set, rank its largest files, and export storage totals by extension.

Processed locally in your browser

Select backup folder

Local input

Drop files hereChoose backup folder. File names, sizes, types, and modification dates stay in this browser session.

FileSizeType

No files selected.

Largest files shownGroup extension case

Choose files to begin.0 files

How to use Backup Set Size Analyzer

Select the requested local file or folder.
Review the tool-specific options.
Run the tool and inspect the result summary.
Download the newly created result or report.

What this file tool does

The analyzer totals real file sizes from the chosen backup folder and produces a CSV breakdown useful for capacity planning.

The result is calculated from actual file bytes or metadata supplied by your browser.

Processing is local. Browser memory, file permissions, format variants, and device performance can limit very large jobs.

Supported inputs and limits

This tool accepts backup folder. Unsupported structures are reported rather than guessed.

Environment	Modern desktop browser
Privacy	No upload
Output	New file or auditable report

Example and practical tips

Start with a small representative set so you can confirm the options and output format. Keep the source files until the downloaded result has been tested in its intended workflow.

For backup or integrity work, store the report beside the corresponding version so later checks remain understandable.

Frequently asked questions

How can I calculate the size of a backup folder?

Select the backup folder and run the analyzer; all supplied file sizes are totaled locally.

Does this include nested backup folders?

Yes. Nested files selected through the folder picker are included.

Can this measure compressed size inside archives?

No. It measures the archive files themselves, not their expanded contents.

How are files without extensions grouped?

They appear in a no-extension group in the CSV report.

Can I use the report for storage planning?

Yes, while allowing extra capacity for future versions, metadata, and filesystem overhead.

Related file tools

Folder Size Analyzer Largest Files Finder File Type Distribution Analyzer Backup Set Compare

Processing details

Tool number	78
Category	Backup & Change Tracking
Execution	Browser local