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Tools, not conversions
A conversion turns a file into a different kind of file. A tool changes the file while leaving it the kind of file it already was — a smaller PDF is still a PDF.
Tools live on ⌥.
What is on the ring
Which tools appear depends on what you are dragging, because most of them only make sense for one kind of file.
On an image — Compress, Resize, Crop, Rotate, Flip, Strip Metadata.
On a video — Compress, Trim, Split, Rotate, Extract Audio, Remove Audio.
On audio — Compress, Trim, Split, Normalize.
On a PDF — Compress, Merge, Split, Extract Pages, Rotate, Strip Metadata.
On an archive — Extract. (This one is also on the formats ring, because nobody dragging a ZIP wants a different archive format.)
The ones worth knowing about
Compress on a PDF does not rasterise it. Most PDF compressors turn every page into a photograph of itself, which shrinks the file impressively and destroys your ability to select, search or copy a word of it. Arazio subsets the embedded fonts instead, then renders the result and compares it against the original pixel by pixel, and throws its own work away if anything moved. The full story.
Strip Metadata removes the camera, the lens, the timestamp and — on a photo from a phone — usually the exact coordinates where it was taken. Worth doing to anything before you put it on the internet.
Extract Audio pulls the soundtrack out of a video into its own file, without touching the video.
Merge takes a selection rather than one file, and the order follows the order you selected them in.
Tools that ask a question
Most tools just run. A few need to know something first — Resize needs dimensions, Trim needs a start and an end, Extract Pages needs to know which pages — so they open a small panel when you release.
The panel is the only part of Arazio that is a window rather than a gesture, and it closes itself when it is done.
Next
Make it yours — settings, and changing the modifiers.