offlinewebtools.com browser-local workbench

File Size Analyzer

Analyze and visualize file sizes with detailed breakdown and percentage distribution

Shipped

Browser local

Select Files to Analyze

Keep file preview metadata in this browser only When enabled, file names, sizes, MIME types, and analysis summaries are stored locally on this device only. This helps restore preview outputs across tabs using the same storage profile. Your files never upload.

A compact file-size chart with stacked usage bars

Ready for local files

Choose files to compare sizes

Add a batch to see total size, relative percentages, and the largest files first so you can spot storage-heavy items quickly.

Sorts largest files to the top
Percentages update as you add or remove files

Understanding File Sizes

Tiny: Less than 1 KB - Small text files, icons

Small: 1 KB to 1 MB - Documents, small images

Medium: 1 MB to 10 MB - Photos, presentations

Large: 10 MB to 100 MB - HD videos, large datasets

Very Large: Over 100 MB - 4K videos, software packages

What this tool does

File Size Analyzer helps you analyze and visualize file sizes with detailed breakdown and percentage distribution.

What you get

File Size Analyzer produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.

Session file-tool analysis history

Keep a local, session-only record of successful file analyses in this browser session.

No analysis results yet. Run a file analysis to populate this panel.

Session download history

Re-download generated file outputs from this browser session.

No generated outputs yet. Use a file tool in this session to populate this panel.