Guides
Exact pixel sizes and what they mean, checked against standards bodies and the platforms' own help pages.
- Social Media Image Sizes 2026: Official Specs, Checked at the SourceInstagram post, Story and Reel sizes, TikTok size, YouTube Shorts ratio, YouTube banner safe area and Google Forms headers, checked on official pages.
- What Is 2K Resolution? Cinema 2K vs. 2K Monitors2K resolution officially means the DCI cinema container, 2048 × 1080. Monitors sold as 2K are usually 2560 × 1440. Exact pixel counts, ratios and diagrams.
- 4K Resolution: UHD vs DCI 4K, Pixel Counts and PPI4K resolution is 3840 × 2160 on TVs and monitors and 4096 × 2160 in cinemas. Exact pixel counts, aspect ratios, PPI by screen size and viewing distance.
- 1080p Resolution: 1920 × 1080 Pixels Explained1080p resolution is 1920 × 1080 pixels (16:9, 2,073,600 px). What the p means, 1080p vs 720p, 1440p and 4K, PPI by screen size, and other-ratio sizes.
- What Is 1440p Resolution? 2560 × 1440, QHD and WQHD1440p is 2560 × 1440 at 16:9, sold as QHD or WQHD. Exact pixel counts, PPI by screen size, ultrawide 1440p math and 125%/150% scaling tables.
- What Is the 4:3 Aspect Ratio?What 4:3 means (1.33:1), every common 4:3 resolution with megapixels, how 4:3 compares to 16:9 at the same diagonal, and how to convert 4:3 to 16:9.