File Size
How to Compress an Image Under 100KB
A practical way to handle a photo-size limit: check the full requirements, choose a suitable format, then inspect the actual output instead of guessing.
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Guides & Tutorials
Image Optimization Guides
Practical guides to upload size limits, image formats, document photo requirements and metadata privacy. Follow the examples, inspect your output and check the receiving service’s rules.
Photo Requirements
US Passport and DV Photo Sizes: Separate the Workflows
A 2 × 2 inch print, a DV image and an online passport-renewal photo are different tasks. Start with the exact application, then check its official rules.
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Formats
WebP vs AVIF vs JPEG: Choose by Image and Destination
Choose a format for the actual photo, graphic and destination. Compare bytes and visible detail instead of assuming the newest format always wins.
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Privacy
Remove GPS and EXIF Data Before Sharing a Photo
Photo privacy involves both metadata and visible details. Inspect the tags, check a cleaned copy and review the picture itself before sharing.
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