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Horizontal Bitmap Flipper

World's Simplest Bitmap Tool

This is a free and fast online utility that flips BMP (bitmap) images horizontally. Just load your bitmap in the input editor, create a left-to-right reflection, and save the mirrored bitmap. Created by graphics designers from team Browserling.

Horizontal Bitmap Flipper

World's Simplest Bitmap Tool

This is a free and fast online utility that flips BMP (bitmap) images horizontally. Just load your bitmap in the input editor, create a left-to-right reflection, and save the mirrored bitmap. Created by graphics designers from team Browserling.

What Is a Horizontal Bitmap Flipper?

This free online browser-based program creates a left-to-right reflection of a BMP image. The transformation can be expressed with a simple coordinate rule: a pixel at (x, y) is copied to (width - x - 1, y). As the vertical coordinate stays unchanged, objects remain at the same height while their direction and horizontal position are reversed. This is useful for creating left-facing and right-facing game sprites, correcting photos captured in mirror mode, and viewing an asymmetric design from the opposite direction. Applying the tool twice returns every pixel to its original position. Keep in mind that text, numbers, and directional symbols in the bitmap will also appear backward. To turn the picture upside down instead, use our Flip a Bitmap Vertically tool. Bmp-abulous!

What Is a Horizontal Bitmap Flipper?

This free online browser-based program creates a left-to-right reflection of a BMP image. The transformation can be expressed with a simple coordinate rule: a pixel at (x, y) is copied to (width - x - 1, y). As the vertical coordinate stays unchanged, objects remain at the same height while their direction and horizontal position are reversed. This is useful for creating left-facing and right-facing game sprites, correcting photos captured in mirror mode, and viewing an asymmetric design from the opposite direction. Applying the tool twice returns every pixel to its original position. Keep in mind that text, numbers, and directional symbols in the bitmap will also appear backward. To turn the picture upside down instead, use our Flip a Bitmap Vertically tool. Bmp-abulous!


Horizontal Bitmap Flipper Examples

Click to try!
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Make a Flamingo Look Right

In this example, we horizontally flip a close-up BMP portrait of a pink flamingo. In the original image, the flamingo was looking to the left, but after the flip, it looks to the right. Its head and curved neck retain their vertical position while their left-to-right orientation is reversed. (Source: Pexels.)

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Swap the Pink and Blue Backgrounds

In this example, we horizontally flip a BMP image of pink macarons arranged in a vertical line. The pink and blue background areas switch places: the blue half moves from the left to the right, and the pink half moves from the right to the left. As the horizontal flip mirrors the bitmap across its vertical axis, the stack of macarons positioned on this axis remains centered between the two colors. (Source: Pexels.)

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Turn Proto Man to the Right

In this example, we horizontally flip a pixel-art BMP sprite of Proto Man. Initially, the character faces left and his yellow scarf extends to the right. After the flip, he faces right and the scarf trails behind him on the left. This creates an opposite-facing sprite without redrawing the character. (Source: Capcom.)


All Bitmap Tools

Didn't find the tool you were looking for? Let us know what tool we are missing and we'll build it!
Quickly convert an opaque bitmap to a transparent bitmap.
Quickly substitute one color for another in a bitmap.
Quickly find all colors in a bitmap and extract them.
Quickly change the number of bits used by every BMP pixel.
Quickly turn a color bitmap into a grayscale bitmap.
Quickly animate a bitmap sprite sheet.
Quickly convert an animation into a bitmap sprite sheet.
Quickly blur an area of a bitmap.
Quickly sharpen an area of a bitmap.
Quickly pixelate an area of a bitmap.
Quickly create a bitmap file from random, colorful pixels.
Quickly change the width/height of a bitmap.
Quickly select a region from a bitmap.
Quickly rotate a bitmap by any angle.
Quickly flip a bitmap image horizontally.
Quickly flip a bitmap image vertically.
Quickly add a border around or inside a bitmap.
Quickly delete a border that surrounds a bitmap.
Quickly create a byte array from a BMP image.
Quickly create a BMP image from a byte array.
Quickly convert RGB bitmap colors to BGR channel order.
Quickly convert BGR bitmap colors to RGB channel order.
Quickly create a BMP image by mapping text symbols to colored pixels.
Quickly convert a BMP file to the base-64 encoding.
Quickly convert base-64 encoding to a BMP file.

Coming Soon

These bitmap tools are on the way!
Edit and Draw Bitmaps

Create and edit bitmaps in your browser.

Compress a Bitmap

Make a bitmap smaller in size.

Uncompress a Bitmap

Convert a compressed bitmap to a raw RGB pixel bitmap.

Swirl a Bitmap

Create a swirl of any radius in a bitmap.

Make Bitmap Black and White

Reduce all bitmap colors to just black and white.

Merge Bitmaps

Join two or more bitmaps together.

Overlay Bitmaps

Place two or more bitmaps on top of each other.

Split a Bitmap

Split a bitmap into multiple independent bitmaps.

Extract a Bitmap Fragment

Extract one or more selected areas from a bitmap.

Duplicate a Bitmap

Make copies of bitmaps and paste them together.

Skew a Bitmap

Skew a bitmap by an arbitrary angle.

Shift a Bitmap

Shift a bitmap to the left or right.

Convert Bitmap to Webp

Convert a BMP to a Webp.

Convert Webp to Bitmap

Convert a Webp to a BMP.

Convert Bitmap to PNG

Convert a BMP to a PNG.

Convert PNG to Bitmap

Convert a PNG to a BMP

Convert Bitmap to JPEG

Convert a BMP to a JPG.

Convert JPEG to Bitmap

Convert a JPG to a BMP.

Convert Bitmap to BPG

Convert a BMP to a BPG.

Convert BPG to Bitmap

Convert a BPG to a BMP.

Convert GIF to Bitmap

Save GIF frames as BMP images.

Convert BMP to GIF

Convert a bitmap to a single-frame GIF.

Convert Bitmap to Data URI

Create a Data URL scheme of a bitmap.

Convert Data URI to Bitmap

Convert a Data URL scheme back to a bitmap image.

BitBlt Bitmaps

Bit Blit two or more BMPs.

Replace Bitmap Color Index

Put a new color table in a BMP.

Print Bitmap Color Index

Extract the color table of a BMP.

Print Raw Bitmap Pixels

Extract raw RGB pixels from a BMP and print them out as text.

Convert Raw RGB to BMP

Create a bitmap image from raw RGB pixels.

Randomize Bitmap Color Index

Randomly rearrange colors in the BMP color table.

Optimize a Bitmap

Reduce a BMP's memory footprint.

Destroy a BMP

Destroy parts of a bitmap and make it glitchy.


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Created with love by

We're Browserling — a friendly and fun cross-browser testing company powered by alien technology. At Browserling, we love to make people's lives easier, so we created this collection of online bitmap tools. Our BMP tools have the simplest possible user interface and work directly in your browser without downloads or installations. You can use them to edit bitmap images, change BMP bit depth and colors, resize bitmaps, create transparent BMPs, work with bitmap pixels and byte arrays, and much more. Behind the scenes, our bitmap tools are powered by our web developer tools that we've created over the years. Check them out!

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Didn't find the tool you were looking for? Let us know what tool we are missing and we'll build it!