Free Image Flip Tool – Mirror Photos Horizontally or Vertically

What Is an Image Flip Tool and How Does Mirroring Work

An image flip tool mirrors a photo — left-to-right for a horizontal flip, or top-to-bottom for a vertical flip. It is one of the simplest edits there is, but a genuinely useful one: front-camera selfies are usually saved reversed, so text on a shirt or a sign reads backwards until you flip them. This tool handles JPG, PNG, and WebP, mirrors them with one click, and lets you download the result. Everyday users fixing selfies, designers building symmetrical layouts, and anyone flipping a scanned page all reach for it, and because it runs in your browser, the photo is never uploaded. Technically, your image is drawn onto an HTML canvas and the tool applies a flip transform — it scales the canvas by -1 on the horizontal or vertical axis before drawing, which mirrors every pixel across that axis. Because the image is redrawn at its original pixel resolution, a flip is effectively lossless: the output has the same dimensions and clarity as the source, just mirrored. A horizontal flip swaps left and right; a vertical flip turns the picture upside down. You can apply either, or both in sequence for a 180° mirror. Worth separating two ideas here, because they cause a lot of confusion. Some cameras and viewers record orientation as an EXIF flag, meaning the pixels stay as captured while a tag tells software how to present them — which is why an image can look right in one app and wrong in another. This tool changes the pixels themselves, so the correction holds everywhere regardless of what any viewer decides to do with metadata. That also means the canvas redraw discards EXIF, including the orientation tag and any GPS coordinates, and re-encodes the file. For a PNG that re-encode is lossless; for a JPG source it is a fresh lossy pass, so exporting at high quality keeps the flip from costing any visible detail. Here is a concrete example. Say you took a 3024×4032 selfie and the text on your T-shirt appears backwards. Apply a horizontal flip and the tool redraws it as a 3024×4032 image — identical resolution — with left and right swapped, so the writing now reads correctly. Download it and the file size stays in the same range as the original, since flipping does not re-compress the detail, only re-orients it. The real-world uses are varied. People fix mirrored phone selfies so logos and text are the right way round. Designers flip a graphic to face the opposite direction so it points into a layout rather than off the edge. Anyone creating a reflection effect flips a copy of an image vertically to place beneath the original. And scanned or photographed documents that came out mirrored get corrected in one click. A couple of things to note. A horizontal flip is not the same as a rotation — flipping mirrors the image, while rotating turns it around its center; use a rotate tool if you need to change the angle instead. Text and numbers become reversed by a flip, which is exactly what you want for a mirrored selfie but not if the image already read correctly, so preview before saving. The pitfall most people meet is flipping a photo that contains a sign, a licence plate, a jersey number, or a watermark: your face looks more natural mirrored, but every piece of text in the frame now reads backwards, and viewers notice that faster than they notice the mirroring. Check the whole frame, not just the subject. The output keeps your source format, and all processing happens in your browser via canvas, so your photo is never uploaded to a server, never stored, and the tool works even offline once loaded.

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