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Convert JPEG files online instantly, no sign-up required. You can convert your JPEG 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 JPEG 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 JPEG documents seamlessly on any device, including smartphones. Available online anytime, this conversion app is completely free for basic scenarios.
Check our videoJPEG is a widely used lossy compression format for digital images, balancing file size reduction with acceptable image quality. It is supported by most image editing software like Adobe Photoshop, GIMP, and web browsers, making it ideal for web use and digital photography. The format uses discrete cosine transform (DCT) for compression, supports progressive loading, and allows adjustable compression levels, though it sacrifices some detail due to its lossy nature.
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 JPEG into many other file formats. Please see the complete list below.