How to change the size of ID photo using PS?

Export password-protected PDF in Photoshop: Open the image file. Click "File"> "Export"> "Export as PDF". Set the "Security" option and enter the same password twice. Click "Export" to generate a PDF file.

Frequently Asked Questions and Solutions when Exporting PS as PDF: Font Embedding Problems: Check the "Font" option, select "Embed" or convert the font into a curve (path). Color deviation problem: convert the file into CMYK mode and adjust the color; directly exporting it with RGB requires psychological preparation for preview and color deviation. Resolution and file size issues: Choose resolution according to actual conditions, or use the compression option to optimize file size. Special effects issue: Merge (flatten) layers before exporting, or weigh the pros and cons.

The Pen Tool is a tool that creates precise paths and shapes, and is used by: Select the Pen Tool (P). Sets Path, Fill, Stroke, and Shape options. Click Create anchor point, drag the curve to release the Create anchor point. Press Ctrl/Cmd Alt/Opt to delete the anchor point, drag and move the anchor point, and click Adjust curve. Click the first anchor to close the path to create a shape, and double-click the last anchor to create an open path.

Photoshop is worth the investment because it provides powerful features and a wide range of application scenarios. 1) Core functions include image editing, layer management, special effects production and color adjustment. 2) Suitable for professional designers and photographers, but amateurs may consider alternatives such as GIMP. 3) Subscribe to AdobeCreativeCloud can be used as needed to avoid high one-time spending.

PS "Loading" problems are caused by resource access or processing problems: hard disk reading speed is slow or bad: Use CrystalDiskInfo to check the hard disk health and replace the problematic hard disk. Insufficient memory: Upgrade memory to meet PS's needs for high-resolution images and complex layer processing. Graphics card drivers are outdated or corrupted: Update the drivers to optimize communication between the PS and the graphics card. File paths are too long or file names have special characters: use short paths and avoid special characters. PS's own problem: Reinstall or repair the PS installer.

Photoshop's advanced editing skills include frequency separation and HDR synthesis, and optimized workflows can be automated. 1) Frequency separation technology separates the texture and color details of images. 2) HDR synthesis enhances the dynamic range of images. 3) Automate workflows to improve efficiency and ensure consistency.

Photoshop's advanced photo editing and synthesis technologies include: 1. Use layers, masks and adjustment layers for basic operations; 2. Use image pixel values ​​to achieve photo editing effects; 3. Use multiple layers and masks for complex synthesis; 4. Use "liquefaction" tools to adjust facial features; 5. Use "frequency separation" technology to perform delicate photo editing, these technologies can improve image processing level and achieve professional-level effects.

Solving the problem of slow Photoshop startup requires a multi-pronged approach, including: upgrading hardware (memory, solid-state drive, CPU); uninstalling outdated or incompatible plug-ins; cleaning up system garbage and excessive background programs regularly; closing irrelevant programs with caution; avoiding opening a large number of files during startup.