Free 100% In-Browser Tool

Flip Image Online (Mirror Photos Horizontally & Vertically)

Mirror images horizontally or flip them vertically upside-down with full-resolution client-side processing.

Quick Answer:Flipping an image horizontally reverses the pixel columns (left becomes right, creating a mirror reflection), while flipping vertically reverses pixel rows (top becomes bottom).
Initializing tool...

Privacy First: 100% Client-Side Processing

Processed in your browser. Files are never uploaded.

How to Use the Flip Image (Mirror Photo Horizontally & Vertically)

  1. 1Upload your photo or drag and drop it into the designated upload area.
  2. 2Click 'Flip Horizontal' to create a mirror image (left-to-right reflection).
  3. 3Click 'Flip Vertical' to invert the image upside-down (top-to-bottom reflection).
  4. 4Download your transformed full-resolution image in PNG or JPG format.

Formula & How It Works

Affine Canvas Matrix Transformation

Horizontal: [x', y'] = [-x + width, y] | Vertical: [x', y'] = [x, -y + height]

Applies 2D affine reflection matrices via canvas.scale(-1, 1) for horizontal mirror flips or canvas.scale(1, -1) for vertical flips, drawing the image with offset coordinates.

Worked Examples

Correcting Front-Facing Phone Selfie

Input: Mirrored selfie photo where text on t-shirt is reversed

Explanation: Re-inverts front-camera selfies to true real-world orientation.

Result: Horizontally flipped image with legible text

Artistic Water Reflection Creation

Input: Mountain landscape photo

Explanation: Flips photo vertically to create realistic lake water reflections.

Result: Vertically inverted reflection copy

Social Media Layout Flipping

Input: Portrait model looking towards the left margin

Explanation: Improves conversion layout hierarchy by directing visual attention.

Result: Flipped photo where subject gazes toward the text copy

Frequently Asked Questions

What is the difference between flipping and rotating an image?▼

Rotating turns an image clockwise or counterclockwise around a central point, keeping the content in its original perspective. Flipping creates a mirror image across an axis, swapping left for right or top for bottom.

Why did my smartphone mirror my selfie?▼

Most smartphone front cameras show a live preview that mimics looking into a mirror. By default, some phones save the photo un-mirrored (how others see you), while others save it mirrored. Flipping horizontally restores your preferred orientation.

Does flipping reduce image quality?▼

No. Our tool processes the original uncompressed image pixels directly on an HTML5 canvas and exports at maximum quality without downsampling.

Can I flip both horizontally and vertically at the same time?▼

Yes, you can apply both transformations simultaneously to create an inverted reflection.

Are my photos kept private?▼

Yes. All processing happens 100% inside your web browser. No photos are ever uploaded to any cloud server.

What image formats are supported?▼

You can flip PNG, JPG, JPEG, WebP, GIF, and SVG images.

Quick Reference & Conversion Table

ActionTransform MatrixVisual EffectCommon Real-World Use
Flip Horizontalscale(-1, 1)Left-to-right mirror reflectionCorrecting selfie cameras, mirroring portraits
Flip Verticalscale(1, -1)Top-to-bottom upside-down flipWater reflections, upside-down graphic effects
Flip Both (H + V)scale(-1, -1)180-degree inverted point reflectionUpside down and mirrored alignment
Rotate 90°rotate(π/2)Quarter-turn clockwise orientationCorrecting sideways phone orientation

⚠️ Common Pitfalls to Avoid

  • •Confusing flipping (mirroring) with rotating (turning 90 or 180 degrees); flipping inverts symmetry, while rotating maintains chirality.
  • •Flipping images containing brand logos, license plates, or prominent text without verifying readability.
  • •Using low-quality online services that downsample high-resolution photographs to 72 DPI.

💡 Practical Real-World Uses

  • •Fixing inverted front-facing selfie shots taken on smartphones that automatically mirrored the capture.
  • •Flipping character sprites and graphic assets in 2D video game development.
  • •Balancing website hero image compositions so subjects look toward calls-to-action.

Flip vs Rotate

FeatureFlip (Mirroring)Rotate (Turning)
SymmetryReverses lateral chirality (left hand looks like right hand)Preserves handedness and spatial chirality
Text ReadabilityInverts text backwards (mirror script)Rotates text orientation (sideways or upside down)
Canvas DimensionsWidth and height stay identicalWidth and height swap on 90° and 270° rotations
Mathematical OperationReflection across axis (determinant = -1)Rotation matrix (determinant = +1)
Last reviewed & updated: 2026-11-01
Free & Open Access
Related Utilities

Explore complementary calculators and converters with instant client-side execution

More in Images

Explore Other Tool Categories

Browse our full collection of 50 free web utilities

View All 8 Categories