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Convert your BMP file to OBJ

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Use our free and fast online tool to convert your BMP (Bitmap Image File) image or logo into 3D OBJ (Wavefront) mesh/model files suitable for printing with a 3D printer or for loading into your favorite 3D editing package.

How to Convert your BMP to OBJ Online?

Here are three simple steps to create an OBJ file from a BMP file.

Upload a BMP

Click the "Upload a File" button and select BMP to upload. The maximum file size is 100MB.

Select your Options

Set the dimensions and other options, and click the "Convert to OBJ" button to convert your BMP to OBJ.

Download your OBJ

Click the download link once completed to receive your OBJ file.

Image to OBJ Frequently Asked Questions

What does this tool do?

Our tool converts image (bitmap) data into 3D geometry, which is then saved to the common OBJ file format.

What files does it support?

The BMP to OBJ tool can convert the most common image file formats, such as PNG, JPG or any one of our supported image formats. The output is provided in OBJ format, which can be used in most 3D graphics applications.

How does the tool interpret the image pixel data?

3D geometry is created based on the luminosity of each pixel in the source image. For example, using the default tool settings, a black pixel represents a 3D pixel height of 0mm, and a white pixel represents a 3D pixel height of 10mm. Colors in between these will be converted to a 3D pixel in this range.

What does the "Invert Output" option do?

This option reverses the black-to-white range conversion, so with this option set, a black pixel will be rendered as a 3D pixel of 10mm in height, and a white pixel will be rendered as 0mm.

How do I control the Model detail?

The "Detail" option allows you to control the resolution of the created OBJ file. Low detail will generate the model quickly and result in a smaller file. The High option will take longer to generate and can result in very large download files.

What does the "Enable Smoothing" option do?

With this option, the BMP to OBJ converter will attempt to remove or smooth out any spikes in the resulting OBJ 3D model. Spikes are usually caused by highly contrasting adjacent pixels in the source BMP file.

What is the maximum BMP resolution I can upload?

The BMP you upload can be any size; however, our tool will resize your image to a maximum of 800x800 pixels for normal users, and for premium subscription holders, this is increased to a maximum of 1200x1200 pixels.

Other Frequently Asked Questions

How can I convert my BMP file to OBJ?

First click the "Upload..." button, select your BMP file to upload. Select any configuration options. When the BMP to OBJ conversion has completed, you can download your OBJ file straight away.

How long does it take to convert my BMP to OBJ?

We aim to process all BMP to OBJ conversions as quickly as possible, this usually takes around 5 seconds but can be more for larger more complex files so please be patient.

How accurate is the BMP to OBJ conversion?

We aim to create the most accurate conversions with our tools. Our tools are under constant development with new features and improvements being added every week.

Is it safe to convert my BMP to OBJ on ImageToStl.com?

Yes, of course! We do not store the BMP file you submit to us. The resulting OBJ file, once created is deleted 15 minutes after upload and the download link will expire after this time.

Can I convert my BMP to OBJ on Windows, Linux, Android, iOS or Mac OS?

Yes! Our BMP to OBJ tool will run on any system with a modern web browser. No specialist software is needed to run any of our conversion tools.

What if I am using an Ad Blocker, will that affect things?

Yes. Although you can use an Ad Blocker, if you like our BMP conversion tool please consider white-listing our site. When an Ad Blocker is enabled there are some conversion limits on some of our tools and processing/conversion times will be longer.

Will the OBJ file retain the textures from my BMP file?

Yes! If your BMP file contains textured geometry, the texture image files along with the texture coordinates (UV data) will be exported with the final OBJ file.

Comparing BMP and OBJ Features

 

BMP Features

  • Supports Lossy Compression
  • Supports Non Lossy Compression
  • Supports Transparency
  • Supports Color Palettes
  • Supports Monochrome (1-Bit)
  • Supports 16 Colors (4-Bit)
  • Supports 256 Colors (8-Bit)
  • Supports 16 Million Colors (24-Bit)

OBJ Features

  • Mesh Geometry (Vertices and Faces)
  • Vertex Normals
  • Face Normals
  • Vertex Colors
  • Face Materials (Excluding textures)
  • Textures
  • Point Cloud
  • Multiple Objects Per File
  • Object Transforms (Translation, Rotation, and Scale)
  • Bones/Joints
  • Animations
  • Suitable for 3D Printing

File Format Information for BMP to OBJ

ExtensionBMP
Full NameBitmap Image File
TypeImage
Mime Typeimage/bmp
FormatBinary
ToolsBMP Converters, Create Cookie Cutter, BMP Viewer
Open WithPaint.NET

Description

The BMP file format is a two-dimensional image file format popular on Microsoft Windows operating systems. Data is stored in the BMP file in a raster format, with pixels being represented using various color depths ranging from monochrome 1-bit per pixel (bpp) to full color 24-bits per pixel.

The format can also contain an image alpha channel, which is typically 8 bits per pixel in size and is used to describe image transparency. BMP files can also optionally be compressed using a lossless compression algorithm, meaning smaller files with no loss of image quality.

Description

The OBJ file format, originally created by Wavefront Technologies and later adopted by many other 3D software vendors, is a simple text-based file format for describing 3D models/geometry. This data can include vertices, faces, normals, texture coordinates, and references to external texture files.

As the format is text-based, it is relatively straightforward to parse in 3D modeling applications. A downside of the text-based format is that the files can be rather large compared to similar binary formats such as STL and compressed files such as 3MF.

OBJ Notes

Our tool will save any material and texture files separately; these additional files will be included with your final OBJ file at the time of download.

Supported Features

  • Mesh geometry
  • Materials (Via an MTL file)
  • Textures (PNG, JPG, TGA formats)

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