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Wondershare UniConverter Image Converter

Batch Convert BMP to PNG for Multiple Images

Batch convert BMP to PNG with one Wondershare UniConverter desktop queue. Add supported BMP files or folders, select shared PNG output and a Save to destination, then review available per-file choices for exceptions.

  • Multi-file desktop queue
  • Shared Convert to control
  • Shared Save to control
Available on:

For Windows 11/10/8/7

For macOS 10.13 or later, including macOS 26 Tahoe

4.7Rated on Trustpilot
Batch Convert BMP to PNG for Multiple Images
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7M+Satisfied Users
1.4M+Subscribers
21M+Downloads

Desktop vs. Online for BMP-to-PNG Scan and Archive Batches

BMP-to-PNG conversion can be part of a scan, archive-access, or document-image workflow. Compare how each option handles source folders, transfer stages, repeat exports, and supported local acceleration.

Compare the workflow
Recommended for larger jobsUniConverter Desktop
Convenient browser accessOnline Batch Tools
Scan & Archive Access
Organize supported BMP scans and archive images in one Desktop queue when preparing accessible PNG copies.
A browser workflow requires the selected BMP scans or archive images to be uploaded before the PNG copies are returned.
Upload & Download
Start with local BMP scan and archive folders and export the PNG access copies directly to a chosen destination without uploading the full collection first.
Total turnaround includes uploading the BMP source images, waiting for server processing, and downloading the PNG access copies.
Repeatable Batch Setup
Reuse the Desktop queue for scan projects, archive access sets, and repeated BMP-to-PNG handoffs.
Queue size, per-job limits, retained settings, and repeat-job convenience for BMP-to-PNG conversion vary by service and plan.
Local Acceleration
Use Ultra-fast Speed and available GPU acceleration for supported BMP-to-PNG conversion when compatible local hardware is detected.
Browser processing depends on connection speed, server load, and the provider's current processing conditions.
Simple decision:
Choose Desktop when BMP scans or archive images need repeatable PNG access-copy production.
Download UniConverter for Desktop

Turn BMP Collections Into Organized PNG Copies

Wondershare UniConverter Image Converter is a Desktop format-conversion workflow for users who need to turn a folder or collection of supported BMP graphics into PNG copies without opening files one at a time. Add files to one queue, review the collection, apply shared output settings, and use available per-file choices when an item needs different handling. BMP input, PNG output, folder intake, and controls vary by operating system and UniConverter version.

Use one queue for supported BMP collections

Bring related bitmap files into a single visible workflow before you create PNG delivery copies.

  • Add multiple supported BMP files together.
  • Add a supported image folder when that intake option is available.
  • Review filenames and thumbnails in the conversion queue.
Use one queue for supported BMP collections

Set shared PNG output and one destination folder

Avoid repeating the same output setup for every supported bitmap in a documentation, product, or legacy-asset collection.

  • Choose PNG through the shared Convert to control where supported.
  • Select one shared Save to destination for the queue.
  • Create a separate PNG copy set while retaining the source folder.
Set shared PNG output and one destination folder

Handle available per-file exceptions

A shared batch setup does not prevent individual items from receiving their own supported output selection or size-related treatment.

  • Use an available per-file output-format selection for an exception.
  • Keep original size where that option is available.
  • Set custom pixel dimensions and Keep aspect ratio through Quality Setting where available.

Input support is broader than output support and can differ between Windows, Mac, Online, and product versions.

Handle available per-file exceptions

Make BMP-to-PNG decisions with the right expectations

BMP-to-PNG conversion changes the file format. It does not automatically improve image detail, create a transparent background, or guarantee a smaller file.

  • PNG uses lossless compression.
  • PNG supports transparency, but an opaque BMP does not automatically become transparent.
  • Output appearance and file size depend on the source BMP, image content, selected settings, operating system, and version.
  • Review representative PNG copies and retain original BMP files when future reference or legacy-system use matters.

Image Converter handles format conversion. These additional operations belong to Batch Image Editor.

Make BMP-to-PNG decisions with the right expectations

What the Batch BMP-to-PNG Workflow Lets You Set Up

Wondershare UniConverter Image Converter can use PNG as a shared output format and one Save to destination folder for a supported BMP queue. Available per-file choices include an individual output-format selection plus Quality Setting options for Keep original size, custom pixel dimensions, and Keep aspect ratio; JPG is the current format with quality adjustment in the verified UI, not PNG. BMP input, PNG output, folder intake, per-file settings, and controls can vary by operating system and UniConverter version.

BMP vs. PNG: What Changes After Conversion?

BMP-to-PNG conversion changes the storage format, not the source image's captured detail. Compare compression, transparency, quality expectations, and background behavior.

Key differences between the source and output image formats
Conversion factBMPPNG
CompressionUsually uncompressed or minimally compressedLossless compression
TransparencyTransparency support is limitedCan store transparent pixels
Existing detailSource compression or limitations remain visibleConversion does not restore discarded source detail
BackgroundAn opaque background remains part of the imageConversion alone does not remove the background

Technical references: W3C PNG Specification and UniConverter Tech Specs.

Common ImagesModern & WebCamera RAWDesign & Pro

Format availability may vary by operating system and UniConverter version. See the UniConverter Tech Specs for current image format support and system requirements.

When Batch
BMP-to-PNG Conversion Helps

Use Wondershare UniConverter Image Converter when supported BMP collections need PNG delivery copies with a consistent shared destination. Review output samples for the specific publishing, handoff, or catalog workflow you plan to use.

Prepare legacy BMP assets for a PNG-requested handoff

Create PNG copies from older bitmap graphics exported by a legacy application, internal system, or archived project when a recipient requests PNG files. Keep the BMP originals if a legacy workflow may still need them.

Standardize software-exported bitmap graphics

Convert supported BMP screenshots, generated diagrams, system exports, or reference graphics into one PNG output format from a reviewed queue. Conversion does not sharpen text, repair artifacts, or change dimensions unless available per-image settings are used.

Create PNG copies for documentation visuals

Organize BMP interface captures or knowledge-base reference images in one queue and create a separate PNG set for editorial review or publication. Check representative results in the destination documentation workflow.

Prepare product, catalog, or listing image copies

Use common PNG output and destination settings for supported BMP product images received from a supplier or operations team. Move to Batch Image Editor if backgrounds, dimensions, broader adjustments, or complete watermarking need to change.

What UniConverter Users Are Saying

These reviews describe users' experience with Wondershare UniConverter as a broader conversion and editing product, rather than feedback specifically limited to the Batch Image Converter. Review sources and publication dates are shown where available.

★★★★★

“Very configurable for the exact result you need.”

Its flexible conversion controls make it easier to prepare files for different output and delivery requirements.
JohnsonJohnson
★★★★★

“The files can be used across IT platforms so easily!”

This kind of compatibility is useful when converted media needs to move between common systems and delivery workflows.
WilliamsWilliams
★★★★★

“Wondershare UniConverter is incredibly versatile.”

The broader conversion and editing toolkit supports users who need to complete more than one isolated media task.
OliviaOlivia

Explore UniConverter reviews and independent coverage across trusted software platforms.

Batch BMP to PNG Converter FAQs

01

What is a batch BMP to PNG converter?

A batch BMP to PNG converter changes multiple BMP files into PNG copies in one workflow. In Wondershare UniConverter Image Converter, you add supported files or folders to a Desktop queue, choose a supported shared output format and Save to location, then process the collection.
Open Wondershare UniConverter Image Converter, add supported BMP files or a supported folder, review the queue, choose PNG through Convert to where available, select a Save to destination, check available per-file settings, and process the batch. BMP input, PNG output, folder intake, and controls can vary by operating system and version.
Image Converter can add supported image folders. Confirm that BMP folder intake and PNG output are supported in your installed Wondershare UniConverter version on your operating system, then review the queued contents before processing.
PNG uses lossless compression, but BMP-to-PNG conversion does not guarantee a smaller file or an identical result in every case. Output appearance and file size depend on the source BMP, image content, selected settings, operating system, and Wondershare UniConverter version. Review representative PNG copies before important delivery work.
No. PNG supports transparency, but converting an opaque BMP to PNG does not automatically remove or replace the background. Use Batch Image Editor when you need background removal or replacement.
Image Converter focuses on format conversion. Current supported releases may offer lightweight Crop, Effect, and Watermark controls in Image Edit, but this is not the complete Batch Image Editor workspace. Use Batch Image Editor for batch resize, broader adjustments, backgrounds, and complete watermark workflows; use Batch Image Enhancer for restoration and enhancement.
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Create PNG Copies From Your Supported BMP Collection

Use Wondershare UniConverter Image Converter to organize supported BMP files in one Desktop queue, set shared PNG output and a Save to folder, then review the resulting PNG copies for your intended workflow.

Create PNG Copies From Your Supported BMP Collection