.170 — TIFF Image (Uncompressed, Grayscale)
Aldus Corporation · 1986
.170 is an uncompressed, grayscale TIFF image file format primarily used for high-quality image storage and editing.
Key Features
- Uncompressed grayscale image data for maximum fidelity.
- Based on the flexible and widely supported TIFF standard.
- Excellent for archival and professional imaging workflows.
- Retains original pixel data without loss.
Best For
- Saving master copies of grayscale artwork or photos.
- Scientific or medical imaging where no data can be lost.
- Images that will undergo extensive editing and manipulation.
- Situations demanding the highest possible image quality.
Less Ideal For
- Web use due to large file sizes.
- Sharing images online or via email.
- Displaying images on devices with limited storage.
- Applications requiring animated or multi-page images (though TIFF can support these in other variants).
Common Use Cases
- Archiving high-resolution grayscale photographs.
- Storing medical imaging data where precision is critical.
- Intermediate format in professional photo editing workflows.
- Print production and graphic design requiring exact color representation.
How to Open It
- Open with image editing software like Adobe Photoshop, GIMP, or Paint.NET.
- Use image viewers such as IrfanView (Windows) or Preview (macOS).
- Specialized medical or scientific software may also support this format.
- Ensure the software supports uncompressed TIFF variants.
What is a .170 file?
The .170 file extension typically indicates a grayscale TIFF image, a versatile raster graphics file format. TIFF, which stands for Tagged Image File Format, is renowned for its flexibility and high quality, supporting various compression methods and color depths. In its uncompressed .170 variant, it prioritizes image fidelity over file size, making it suitable for professional photography and archival purposes. This format is widely supported across different operating systems and graphics software, ensuring broad compatibility for viewing and editing.
Programs That Open .170 Files
| Platform | Program | ||
|---|---|---|---|
| Windows | Adobe Photoshop | Paid | Official |
| GIMP | Free | ||
| IrfanView | Free | ||
| macOS | Adobe Photoshop | Paid | Official |
| GIMP | Free | ||
| Preview | Free | Official | |
| Linux | GIMP | Free | |
| ImageMagick | Free | ||
| Android | Image viewers with TIFF support | Free | |
| iOS | Image viewers with TIFF support | Free |
How to Convert .170 Files
| Format | Method |
|---|---|
| .PNG | Adobe Photoshop, GIMP, Online converters |
| .JPEG | Adobe Photoshop, GIMP, IrfanView, Online converters |
Common Problems with .170 Files
Frequently Asked Questions
It typically signifies an uncompressed, grayscale TIFF image, prioritizing maximum image quality over file size.
No, .170 files are usually very large due to being uncompressed, making them unsuitable for web display where faster loading times are crucial.
Yes, they can be edited with most professional image editing software that supports the TIFF format.
Technical Details
The .170 extension is a variant of the TIFF format, specifically often denoting uncompressed grayscale (8-bit or 16-bit) data. TIFF files are structured using tags, allowing for extensibility and storage of diverse image information like resolution, color space, and compression schemes. The absence of compression in .170 ensures maximum image data integrity, which is critical for applications demanding precise visual reproduction.