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Convert RAS to OTB

Convert RAS images to OTB format, edit and optimize images online and free.

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Sun Raster (.ras)

The Sun Raster file extension, also known as RAS, is a bitmap graphics file format developed by Sun Microsystems for use on their SunOS operating system. It supports black-and-white, grayscale, and color images with various pixel depths and includes simple Run-Length Encoding (RLE) compression. The format was widely used in UNIX-based systems and is supported by many imaging applications. The RAS format has largely been superseded by more modern formats but remains relevant for legacy systems and specific use cases.

RAS Converter

Over The Air Bitmap Image (.otb)

The OTB (Over The Air Bitmap) file extension, developed by Nokia, is used for transmitting black and white bitmap images between mobile phones, particularly Nokia and Siemens models. These images, with a maximum resolution of 255x255 pixels, are often sent via SMS in either hexadecimal text or binary format. Historically, OTB files were popular in the early days of mobile communication for sending simple graphics, icons, and wallpapers when data transmission speeds were limited.

OTB Converter

How to convert RAS to OTB?

  1. Upload RAS File

    Drag & drop any RAS file from your device or click the Choose File button to proceed.

  2. Select RAS Tools

    Use any available convert tools on the preview page, and click Convert.

  3. Download Your OTB

    Wait a couple of seconds for the converter to do the hard job, then download your OTB file.

Convert RAS to OTB

Frequently Asked Questions

How to change RAS format to OTB?

To change RAS format to OTB, upload your RAS file to proceed to the preview page. Use any available tools if you want to edit and manipulate your RAS file. Click on the convert button and wait for the convert to complete. Download the converted OTB file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert RAS to OTB on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to RAS file location or include path to your input file.
  3. Paste and execute the command below, substituting in your RAS_INPUT_FILE name or path. $ vertopal convert RAS_INPUT_FILE --to otb

Convert RAS to OTB on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to RAS file location or include path to your input file.
  3. Paste and execute the command below, substituting in your RAS_INPUT_FILE name or path. $ vertopal convert RAS_INPUT_FILE --to otb

Convert RAS to OTB on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to RAS file location or include path to your input file.
  3. Paste and execute the command below, substituting in your RAS_INPUT_FILE name or path. $ vertopal convert RAS_INPUT_FILE --to otb

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