Converting BMP files to WEBP is an effective way to optimize image file sizes, leading to faster website loading times. In this article, Speedy Convert will introduce you to the top 5 best BMP to WEBP converter, selected based on features, speed, ease of use, and security.
What is a BMP to WEBP converter?
A BMP to WEBP converter is software or an online tool that allows users to change image files from BMP format (an uncompressed, large file type) to WEBP (a compressed, lighter file type). This conversion makes images more compact while preserving sharp quality, which is ideal for website optimization.

Using a BMP to WEBP converter helps you take advantage of the WEBP format, including reduced storage space and faster webpage loading speeds. Most of these tools offer either online or downloadable software options and are generally user-friendly, requiring minimal technical knowledge. Depending on your needs, you can choose a tool with additional features like image compression, resolution editing, or data security.
What is the best BMP to WEBP converter?
The market offers numerous BMP to WEBP converters, each with its unique set of features, pricing, and user-friendliness. Here, we’ve selected the 5 best converters, catering to different user needs, from beginners to professionals. Below is a comparison chart to help you easily choose the right tool.
Tools | Features | Speed | Easy to Use | Price | Utilities | Interface | Security |
Speedy Convert | Multi-functional | Fast | Very easy | Free | Supports multiple formats | User-friendly | High security |
Zamzar | Supports many formats | Quite fast | Easy | Free & Paid Versions | Convenient online conversion | Simple, easy-to-use | Information security |
CloudConvert | Fast online conversion | Very fast | Easy | Free, with Paid Versions | API integration for developers | Accessible interface | Good security |
Python (script) | High customization | Depends on code | Requires coding skills | Free | Suitable for automation | No UI | Depends on configuration |
GIMP | Open-source, free | Average | Complex | Free | Advanced image editing | Professional | Average |
5 best tool BMP to WEBP converter
Speedy convert – Best tool
Speedy Convert is a perfect choice for users needing a quick and efficient BMP to WEBP conversion. This tool processes multiple files simultaneously without affecting image quality. Notably, Speedy Convert is completely free and simple to use, even for non-tech users.

Key Features:
- Quick batch conversion
- Works offline
- User-friendly interface
Drawback: Limited to only a few basic formats besides BMP and WEBP.
How to Convert Using Speedy Convert:
- Go to the official Speedy Convert website.
- Upload your BMP file by clicking the “Choose File” button or dragging and dropping the file.
- Wait a few seconds for the conversion, then download the converted WEBP file.
Zamzar
Zamzar is a popular online converter known for its speed and lack of software installation requirements. With just a few clicks, you can convert BMP files to WEBP in seconds.

Key Features:
- No installation required, online functionality
- Supports various formats
- Paid version with additional features
Drawback: Limited file size for free version.
How to Convert Using Zamzar:
- Visit the Zamzar website.
- Click on “Choose File” to upload your BMP file.
- Select WEBP as the target format and click “Convert Now.” After conversion, download your WEBP file.
CloudConvert
CloudConvert is ideal for those needing a fast, no-download option. With over 200 supported formats, CloudConvert allows seamless BMP to WEBP conversions in seconds.

Key Features:
- Online tool, no software download needed
- Fast conversion with various formats
- API integration for automation
- High data security
Drawback: Limited file size on free version.
How to Convert Using CloudConvert:
- Go to the CloudConvert website.
- Click on “Select File” to upload your BMP file.
- Choose WEBP as the output format, then click “Convert.”
- Download the WEBP file once the conversion is complete.
Python
Python is a powerful tool for users who want to automate BMP to WEBP conversion. With just a few lines of code, you can customize and optimize the image conversion process to fit your needs.

Key Features:
- Highly customizable through coding
- Ideal for large projects requiring batch processing
- Supports libraries like PIL and OpenCV for image handling
Drawback: Requires basic programming knowledge.
How to Convert Using Python:
- Install the PIL or OpenCV library in your Python environment.
- Write a script to load and convert the BMP file to WEBP.
- Run the code to save the result as a WEBP file.
GIMP – free tool
GIMP is a free, open-source image editor, great for users looking to convert BMP to WEBP without cost. This software provides both basic and advanced image editing, making it suitable for casual users and professionals alike.

Key Features:
- Free with unrestricted features
- Allows for editing images before conversion
- Supports numerous formats, including BMP and WEBP
Drawback: Complex interface, which may be challenging for beginners.
How to Convert Using GIMP:
- Open GIMP and load the BMP file.
- Make any edits, then go to “File” and select “Export As.”
- Choose WEBP as the target format, name the file, and click “Export” to complete the conversion.
Why is it necessary to convert BMP to WEBP?
Converting BMP to WEBP is one of the most effective methods for reducing storage space and enhancing page load speed. The WEBP format can reduce image file sizes by 30-40% compared to traditional formats like JPEG and PNG while retaining sharp quality.
For websites, lighter images lead to faster loading times, which is crucial for users on mobile devices or slower networks. A lighter website also improves SEO rankings on search engines like Google, where page speed is a significant ranking factor. For businesses, optimizing image storage helps reduce hosting costs, enhances website performance, and improves user experience.
How to choose the right online BMP to WEBP converter?

To select the right online BMP to WEBP converter, consider the following factors:
- Required Features: Choose a tool that meets your needs, like compression, editing, and multi-format support.
- Data Security: For online tools, ensure data protection for your files and personal information.
- Cost: Free tools save on expenses but may lack advanced features. Businesses may prefer paid versions for added support and customization.
- Interface and User Experience: A friendly interface can save time and ease the workflow.
- User Feedback: Read user reviews to ensure the tool is reliable and secure.