How to use it

Three steps

  1. Pick a folder — press the button and choose one in your system's folder dialog.

    Your browser will then ask whether to “upload” the files; this chapter explains why.

  2. The file list appears on the left — images get thumbnails, videos get an extension badge.
  3. Click one to start — then use the arrow keys.

Type filter: WebP, PNG, GIF, JPG, JPEG, AVIF, BMP, SVG and MP4 can each be toggled. Only after animations? Keep GIF and WebP. Don't want video interrupting the flow? Turn MP4 off.

Search matches filenames by keyword, and stacks with the type filter — a file has to pass both to be listed.

Sorting

ByWhen it helps
NameNumbered files (001.png, 002.png…) read most naturally this way
DateStart from the newest, or find “the one I saved last week”
SizeSpot the space hogs — or the opposite, find originals among a pile of thumbnails

All three work ascending or descending.

Keyboard

KeyAction
or Next
or Previous

Arrow keys are not hijacked while you are typing in a text field, so editing the search box behaves normally.

Three limits you will actually run into

Whether you see one level or the whole tree depends on the folder you pick. When you choose a folder, the browser hands the page every file underneath it, subfolders included. Pick a large root directory and you get an enormous list — so pick the specific level you want.

The first load is slow with many files. Thumbnails are read one by one. Everything already read is cached, so changing the filter, sort or search afterwards (even switching interface language) does not re-read anything — but the first pass has to happen.

Videos have no thumbnails. The list shows an extension badge; the file plays when you open it. Generating one would mean decoding a frame, which is out of scope here.

What this tool will not do

It is read-only. No renaming, deleting, moving or converting. Read access is all it is given, so even if it wanted to, it could not — that is a security property, not an unfinished feature.

Download this page as .md Open it in the editor and you have a ready-made sample document.

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