Everything Knipper does

The short version is on the home page. This is the long one, for people who want to know before they buy.

Capturing

Four ways in, all from one keystroke.

Drag a region: The default. A live size readout while you drag, and a loupe that magnifies the pixels under the cursor so you can land an edge exactly.
Point at a windowworth knowing: Move the pointer over any window and Knipper outlines it. Click once and you get that window on its own, cleanly, even where another window overlaps it. No dragging, no trimming afterwards.
The whole screen: One command, straight into the editor.
Past the bottom of the screen: Scrolling capture. Start it, scroll normally, and Knipper takes frames as you go and stitches them into one tall image. A live strip beside the selection shows the frames it actually has, so you can see it is still following the page rather than finding out at the end.
Menus and popovers stay open: The screen is frozen before Knipper takes focus, so a menu you were pointing at is still in the picture. Most tools close it as they start.
Delay, if you need it: A countdown for things that only appear on hover.

Marking up

The editor opens with the capture already in it. No import step, no save-then-open.

Arrows, boxes, lines and freehand: With colour and thickness you set once. Shapes snap to each other and to the edges of the image, and you can hold Option to stop them snapping.
Text and speech bubbles: Typed in place, resized and re-edited by double-clicking.
Numbered steps: Drop 1, 2, 3 in order for a walkthrough. Export the numbered callouts as a document when you are done.
Blur, pixelate, or black out: Blur and pixelate soften. Redaction paints a solid opaque bar, because a blur can sometimes be undone and a black bar cannot.
Magnifier: Drop a loupe over a detail to enlarge it inside the image itself.
Colour picker: Click any pixel for its hex and RGB, copied ready to paste.
Backdrop and border: Put a colour behind the screenshot and a border around it, for slides and documentation.

Acting on what is in the picture

A screenshot is usually taken because of something inside it. Knipper reads the capture and offers that thing directly. All of it runs on your Mac.

Dates become calendar events: Handed to Calendar so you confirm it there. Vague dates like "Friday" are ignored on purpose.
Links, emails, phone numbers and addresses: Open, compose, call, or show on a map.
QR codes and barcodes: Decoded from the image. Only plain web links are ever opened; anything else is copied, because a code you have not read is not a link you should trust.
Flight numbers: Straight to the tracking page.

Numbers in a screenshot

Grid detection: Screenshot a table from anywhere, a web page, a PDF, a report, an ERP, and Knipper works out where the columns are.
Total any column: Click a column's Sum badge. It reads the formats finance actually uses: thousands separators, parentheses for negatives, and a trailing minus sign.
Cross-check against the total row: If the table already has a total and it does not match, Knipper says so and by how much.
Copy it out: The total, one column, or the whole table as tab-separated text that pastes straight into Excel or Numbers.
It tells you when it is unsure: Cells the text recognition found hard to read are flagged, rather than silently folded into a wrong number.

Recording

Screen recording: HEVC in .mov, with a quality preset you choose.
Audio: System audio, your microphone, or both.
Webcam picture-in-picture: Circle or rectangle, any corner, any of three sizes, mirrored or not.
Click ripples: A ring at every click so a viewer can follow what you are doing.
Follow a window: Record a single window and the recording follows it if you move or resize it.
Trim and cut afterwards: Trim the ends, cut pieces out of the middle, or export the result as a GIF.

Before you share it

The most expensive screenshot is the one with something in it you did not notice.

Find what should not be there: Email addresses, card numbers, ID numbers, bank account numbers, API keys and tokens, and faces.
You decide how eager it is: Off, scan and let you review, or scan and cover automatically. Categories that match too broadly, like any long run of digits, ship switched off.
Your own patterns: Plain text or a regular expression, for the identifiers only your work has. There is a box to test a rule against a sample line before you trust it.

Turning captures into a guide

Collect steps as you go: Add each capture to a guide, caption it, reorder them.
Export it: Self-contained HTML that opens anywhere with the images embedded, or PDF, or a single tall PNG strip.

Finding it again

Everything you captured, searchable by what was in it: Knipper reads the text in each screenshot, so searching "invoice" finds the picture of an invoice. Results show the line that matched, not just a thumbnail.
Spotlight too: The same text is given to macOS, so ⌘ Space finds your screenshots.
Filenames you control: A template with date, time, counter and the app you captured from.

The rest

Extract the text: Copy the words out of any screenshot, or select just part of them.
Translate: Point Knipper at a translation service you already use, with your own key. It asks before the first send, tells you exactly what leaves your Mac, and can be pointed at a model running locally instead.
Pin a capture on top: Float a screenshot above everything else while you work from it.
Open it from anywhere: A global shortcut, and a knipper:// URL scheme so a Shortcut or a script can start a capture, even of a fixed region you always want.
Share and print: Straight to Messages, Mail, AirDrop, or a printer.

Not everything is on every version. The Mac App Store requires apps to run in Apple's sandbox, which forbids reading other apps' interfaces. That version therefore has no automatic step recording and no keystroke overlay, and scrolling capture does not scroll for you.

The version sold here has all of it. If you are choosing, this is the one to take.

Download Knipper · $5.99