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Convert PNG files online instantly, no sign-up required. You can convert your PNG documents on any platform—Windows, Linux, or macOS. Upload your file, choose the output format, and press convert. When the process is done, your XLSM file will be ready for download.
The PNG file's size and structure affect conversion time, though most files are processed in seconds. Advanced features allow you to convert password-protected documents and receive conversion results via email.
No matter where you are, convert your PNG documents seamlessly on any device, including smartphones. Available online anytime, this conversion app is completely free for basic scenarios.
Check our videoPNG is a raster graphics file format designed for lossless image compression and efficient web use, supporting transparency and high-quality visuals. It is widely supported by image editing tools like Adobe Photoshop, GIMP, and web browsers, making it ideal for digital graphics and online applications. The format uses a chunk-based structure, allowing metadata storage, gamma correction, and interlacing for progressive image loading.
XLSM is a file format used for Excel spreadsheets that support macros, enabling automation and advanced functionality within the document. It is primarily used with Microsoft Excel but can also be opened by other spreadsheet applications like LibreOffice Calc and Google Sheets with limited macro support. The format is based on the Open XML standard, storing data, formulas, and VBA (Visual Basic for Applications) macros in a compressed ZIP container, allowing for efficient storage and advanced features like conditional formatting, pivot tables, and embedded macros.
You can also convert PNG into many other file formats. Please see the complete list below.