PNG Flipper (Mirror)

Flipping vs. rotating — they're not the same

Flipping creates a mirror image; rotating turns the image around its centre. A horizontally flipped photo of a person's face shows the face with right and left swapped — a mirror reflection. A 180° rotation of the same image shows the face upside-down. The two operations produce visually different results except in one special case: a horizontal flip combined with a vertical flip is mathematically identical to a 180° rotation, which is why we offer "Both" as a third option.

Flips are pixel-perfect: every pixel in the source ends up exactly once in the output, at a mirrored position. There's no interpolation, no smoothing, no anti-aliasing — and therefore no quality loss whatsoever. The output file is identical in size and detail to the source, just rearranged.

When you'll want to flip a PNG

• Sprite sheet generation for games — most 2D games include left- and right-facing versions of the same sprite. Designers draw one direction and flip for the other.
• Mirror-image previews — checking how a design will look reflected (handy for logos and symmetrical compositions).
• Selfie correction — many phone cameras save selfies non-mirrored, but you've been looking at yourself mirrored in the viewfinder; flipping horizontally restores the visual you expected.
• Print-on-fabric and iron-on transfers — these require horizontal flipping because the image is applied face-down and seen through the fabric.
• Reflection effects — making a "puddle reflection" of a logo or photo for a marketing graphic.
• Composition rescue — sometimes a photo composes better mirrored. Famous example: portrait photographers often flip headshots so the subject's gaze leads into white space rather than off the page edge.
• Pixel art tile sets — generating mirrored variants of a single base tile.

When NOT to flip

• Photos containing text or signage — the writing will become a mirror image and unreadable. A flipped photo of the Eiffel Tower with a "Paris" road sign will show the sign as "siraP".
• Watches, clocks, dashboards — anything where the orientation matters semantically.
• Photos with asymmetric people or objects — partings in hair, jewellery, scars, hand dominance. Flipping a portrait can make the subject look "off" to people who know them well.
• Brand logos — almost never flip a brand mark. The mirrored version isn't the brand.
• Maps and diagrams — flips break geographic and directional accuracy.

How this tool works

The browser draws your PNG onto a new canvas the same size as the original, applying a 2D transformation matrix that scales by -1 in the chosen axis. For a horizontal flip the X axis is scaled by -1 (and the canvas is translated by the full width to keep the image visible); for a vertical flip the Y axis is scaled by -1. The result is a clean, pixel-for-pixel mirror of the source. The new image is then re-encoded as PNG, preserving the alpha channel.

Flip direction at a glance

Direction	What it does	Equivalent to
Horizontal	Left ↔ Right	Mirror in a vertical line
Vertical	Top ↔ Bottom	Mirror in a horizontal line
Both	Horizontal + vertical at once	180° rotation

Tips and best practice

• If you flip and the result looks weird, look carefully — there's almost always a piece of text, a clock face or an asymmetric detail that the flip exposed. Either crop it out before flipping, or use a different shot.
• For sprite-sheet generation, flip first, then export multiple frames — keeps the directory tidy.
• Combine with the PNG Rotator for the full set of 8 cardinal orientations needed by some game engines.
• If you need a vertical reflection effect (e.g. logo over a glassy floor), flip vertically, then reduce opacity on the flipped layer — this tool produces the flipped layer; opacity adjustment is in the Brightness tool or your image editor.

FAQs

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