BMP Viewer

A BMP viewer tool for developers, QA engineers, and asset teams to inspect bitmap files, verify dimensions, color depth, and palette usage.

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About This Tool

The BMP viewer analyzes bitmap image files by parsing header information and optional color palettes to expose core properties. It provides a deterministic view of width, height, bit depth, compression, and palette usage, enabling quick validation against project specs. The tool operates without editing the image and focuses on metadata and layout, which is essential for asset pipelines and QA checks.

Conceptually, it reads standard BMP structures (BITMAPFILEHEADER and BITMAPINFOHEADER), determines whether a color table is present, and computes memory layout details such as row stride and palette size. It can export a JSON block for integration into CI pipelines or asset management systems. This capability is valuable when verifying assets from bulk imports, ensuring consistency across platforms, and debugging discrepancies between expected and actual image data.

Unique value lies in strict BMP variant handling, explicit signaling for unsupported formats, and a lightweight metadata export path. Core features include header parsing, property extraction, optional palette enumeration, and data-ready outputs for automation. Typical use cases span automated asset validation in build systems, QA checks for design handoffs, and quick forensics on unexpected image properties.

How to Use

  1. Provide a BMP file to upload or select one to analyze
  2. The tool parses the file header and palette if present
  3. Review extracted properties: width, height, bit depth, compression, palette size
  4. Compare against project specifications or reference assets
  5. Export metadata as JSON or copy to clipboard
How to use bmp viewer

Frequently Asked Questions

Find Quick Answers

What BMP variants are supported?
The tool supports common uncompressed BMP formats (BI_RGB) and palette-based images with 1–8 bits per pixel. It reports unsupported compressions and variants clearly to guide data corrections or alternative tooling.
Can I export results?
Yes. The tool can export parsed header data as JSON or a plain text block. You can copy the data to the clipboard or download a metadata file for integration into pipelines or asset notebooks.
Is there a size limit?
Large BMP files may be constrained by memory and processing limits. If a file exceeds available resources, the tool returns an explicit error and provides any partial metadata that could aid debugging.
How is color data interpreted in paletted images?
Paletted images use a color table where each entry is a 4-byte RGBQUAD. The tool exposes the color palette and maps pixel indices to palette entries, clarifying how colors are rendered in the bitmap.

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