Convert JPG to TIFF — Free Online Converter
Convert JPEG Image (.jpg) to Tagged Image File Format (.tiff) online for free. Fast, secure image conversion with no watermarks or registration....
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変換方法
Upload your .jpg file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .tiff file when it's ready.
About JPG to TIFF Conversion
TIFF (Tagged Image File Format) is the gold standard for professional photography, print production, medical imaging, and archival storage. Developed by Aldus (later Adobe) in 1986, TIFF supports virtually every color depth, compression method, and metadata scheme. Converting JPG to TIFF wraps the decoded photographic image in a flexible container that supports lossless compression (LZW or ZIP), CMYK color for printing, 16-bit-per-channel color depth, and multi-page documents — features that JPEG lacks entirely.
Professional photographers, print shops, publishers, and archivists prefer TIFF because it guarantees no further quality degradation through re-saving. A TIFF file can be opened, edited, and saved thousands of times without any quality loss, unlike JPEG which degrades with each save cycle. Converting your JPG photographs to TIFF is the first step toward integrating them into professional workflows where lossless quality preservation is non-negotiable.
Why Convert JPG to TIFF?
Print production workflows almost universally require TIFF or EPS for final image output. When a graphic designer places a photograph in an InDesign layout for commercial printing, using TIFF ensures the image data reaches the printing RIP at full quality without any additional compression artifacts from the layout application. Many print shops explicitly require TIFF for color-managed, press-ready images.
Archival and library digitization standards mandate TIFF for long-term image preservation. The Library of Congress, National Archives, and FADGI (Federal Agencies Digital Guidelines Initiative) all specify TIFF as the preferred format for master image files. If you are digitizing historical photographs, converting the JPG scans to TIFF with LZW lossless compression creates archival-grade files that comply with institutional preservation standards.
Common Use Cases
- Prepare photographs for commercial print production (catalogs, magazines, books)
- Create archival-grade master files from photograph collections
- Supply images to print shops that require TIFF for press-ready artwork
- Convert photographs for medical imaging systems that use TIFF as the standard format
- Prepare images for GIS (Geographic Information Systems) software that expects GeoTIFF
- Generate master files for photography studios and stock agencies
How It Works
Sharp decodes the JPEG image and writes it as a TIFF file using LZW lossless compression by default. The output TIFF uses 24-bit RGB color (8 bits per channel), matching the decoded JPEG data. TIFF metadata includes IFD (Image File Directory) tags for resolution (DPI), color profile (ICC), creation date, and software identification. The JPEG EXIF data is mapped to corresponding TIFF tags. The LZW-compressed TIFF is typically 2-4x larger than the source JPG but preserves every decoded pixel losslessly.
Quality & Performance
The conversion preserves the exact pixel data from the decoded JPEG with no additional quality loss. The TIFF uses lossless compression (LZW), so the image can be opened and re-saved indefinitely without degradation. However, the quality ceiling is set by the original JPEG compression — artifacts from the JPG encoding are preserved in the TIFF. For truly lossless archival, the original camera RAW file is preferred when available.
Device Compatibility
| Device | JPG | TIFF |
|---|---|---|
| Windows PC | Native | Native |
| macOS | Native | Partial |
| iPhone/iPad | Native | Partial |
| Android | Native | Partial |
| Linux | Partial | Partial |
| Web Browser | Native | No |
Tips for Best Results
- 1Use LZW compression for the best balance of file size and universal compatibility
- 2TIFF files can be re-saved indefinitely without quality loss — ideal for editing workflows
- 3For print production, TIFF is the safest format to send to commercial printers
- 4TIFF supports multi-page documents — useful for multi-image projects
- 5Keep original JPGs as web-ready copies while using TIFF for archival and print
Related Conversions
JPG to TIFF conversion produces professional, archival-grade image files suitable for print production, institutional preservation, and workflows that demand lossless quality. The TIFF format's flexibility and universal professional support make it the ideal destination for photographs entering high-quality production pipelines.