Select or paste BMP images to convert to PNG format
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OptiConvert offers 70+ blazing fast, secure, and 100% client-side graphic utilities. Find your tool below:
Main conversion workspace
Convert lossless PNG to standard JPG
Convert JPG to transparent PNG
Convert PNG to next-gen WebP
Convert WebP to lossless PNG
Convert next-gen WebP to JPG
Optimize JPG to modern WebP
Convert vector SVG to raster PNG
Convert SVG to standard JPG
Convert SVG to next-gen WebP
Convert PNG to Windows icon file
Convert JPG to Windows icon file
Convert WebP to Windows icon file
Convert animated GIF to ICO format
Convert Apple HEIC photos to JPG
Convert Apple HEIC photos to PNG
Convert Apple HEIC photos to WebP
Convert Windows bitmap to PNG
Convert Windows bitmap to JPG
Convert publisher TIFF to PNG
Convert publisher TIFF to JPG
Convert GIF frames to PNG
Convert GIF frames to JPG
Convert animated GIF to WebP
Convert WebP images to GIF format
Shrink JPEG photo file sizes
Quantize PNG colors and shrink
Lossy/lossless WebP optimization
Reduce animated GIF dimensions/colors
Clean vector markup and tags
Strict Visa signature compression
Shrink photo under 50KB
Optimize image under 100KB
Compress files under 200KB
Change dimensions and scale pixels
Scale PNG pixel widths and heights
Scale JPEG photograph dimensions
Scale WebP asset widths/heights
Scale animated GIF dimensions
Clip margins and set ratios
Frame and crop JPG compositions
Crop PNG with alpha transparency
Frame and crop next-gen WebP files
Crop into perfect circular avatar
Crop images with rounded corners
Compile images into multi-page PDF
Convert photos to a single PDF document
Convert PNG graphics into PDF format
Extract pages from PDF to JPEGs
Render PDF pages as transparent PNGs
Extract editable text from screenshots
Scan images and extract characters
Encode image bytes as Base64 Data URI
Decode Base64 strings back to visual image
Remove camera tags and GPS location
Get HEX codes and build CSS palettes
Convert pixels into retro text art
Generate multi-resolution ICO favicons
Convert image to black and white
Cut image into grid tile segments
Rotate clockwise or counter-clockwise
Mirror horizontally or vertically
Add colored border margins
Extract PNG layers from Windows ICO
Overlay custom texts or captions
Create retro 8-bit blocky filter
Turn photos into pencil sketches
Generate Sobel filter outline vectors
Combine multiple images horizontally
BMP is a legacy uncompressed Windows bitmap format storing raw pixels with very heavy file sizes. Converting it to PNG (lossless format supporting transparent backgrounds, ideal for logos, screenshots, and graphics) helps optimize file sizes and ensure cross-platform compatibility.
For web use, PNG conversions are highly useful when dealing with universal image display guidelines.
Like the rest of the OptiConvert suite, this BMP to PNG tool runs entirely inside your client browser. We draw your source files onto an HTML5 canvas to re-rasterize them without transmitting any bytes across the web.
PNG compression is lossless, so quality remains perfect.
Transparency channels (alpha masks) are fully preserved during conversion.