AllImgTools Blog
Practical guides on image formats, iPhone photo problems, social media image specs, and image optimization. Written to actually solve problems, not to rank for keywords.
Is This Image AI? How to Check Content Credentials (C2PA) in 2026
Three reliable ways to check whether an image is AI-generated in 2026: look for the Content Credentials (CR) icon, inspect the C2PA manifest with a viewer, and read the AI-generation flag. Plus the limits, screenshots and uploads erase the evidence.
Pinterest Pin Size 2026: 1000x1500 (2:3) and Every Other Dimension
The Pinterest pin size for 2026 is 1000x1500 (2:3), the ratio the algorithm rewards. Plus square pins, idea/video pins (1080x1920), board covers, and the file rules that keep pins sharp. With a free resizer.
Can't Change Your Profile Picture on X (Twitter)? 2026 Fixes
Your X (Twitter) profile picture won't update, keeps reverting, or the upload fails? The 2026 fixes, in order: the file-size and format rules that block uploads, the cache lag that reverts it, and a one-step way to force a valid avatar.
Facebook Post Size 2026: 1080x1350 Portrait, Story 1080x1920, and Every Feed Ratio
The current Facebook post sizes for 2026: portrait 1080x1350 (now Meta's recommended feed format), square 1080x1080, landscape 1200x630, and Story 1080x1920 with its safe zone. Plus the format and color settings that keep posts sharp.
Twitch Size Guide 2026: Banner 1200x480, Offline Screen 1920x1080, Panels, Emotes & Badges
Every Twitch image size for 2026 in one place: profile picture (800x800), profile banner (1200x480), offline screen (1920x1080), panels (320x160), emotes (112x112), and sub badges. Plus the banner safe zone and the file limits that get uploads rejected.
WhatsApp DP Size 2026: 1080x1080, the Circle Crop, and How to Post a Full DP Without Cropping
The full WhatsApp image guide for 2026: DP at 1080x1080 (shown as a circle), Status at 1080x1920, group icon and Business sizes, and the exact way to post your full DP without WhatsApp cutting the edges. Plus the format settings that stop a blurry profile picture.
YouTube Banner Size 2026: 2560x1440, the 1546x423 Safe Zone, and Every Device Crop
The full YouTube channel banner spec for 2026: upload at 2560x1440, keep everything inside the 1546x423 safe zone, and see the exact pixels TV, desktop, tablet, and mobile each crop to. Plus the file size, format, and sRGB settings that stop rejections and dull colors.
TikTok Image Sizes 2026: Profile 720x720, Video 1080x1920, Carousel & Safe Zones
Every TikTok image size for 2026 in one place: profile picture (720x720, circular), video and Photo Mode (1080x1920, 9:16), carousel specs, and the exact safe-zone pixels the app's buttons cover. Plus the format and color settings that stop your uploads looking soft.
Discord Sticker Size 2026: 320 x 320, 500 KB, and the Rules That Trip People Up
Discord stickers must be exactly 320 x 320 pixels, under 500 KB, in PNG or APNG. Server boost unlocks 15-60 slots. The exact requirements, animated APNG how-to, and the upload errors most people hit.
Discord Banner Size 2026: Server 960 x 540, Profile 600 x 240, Splash 1920 x 1080
Discord has three different banner sizes for three different contexts. Server banner (960 x 540), Profile banner (600 x 240), Invite Splash (1920 x 1080). Boost levels, Nitro tiers, mobile crop, and animated GIF rules.
Facebook Cover Photo Size 2026: 820x312, 1640x624 & Safe Zone
Desktop shows 820 x 312, mobile crops it to 640 x 360 with the edges cut off. The exact safe zone, the profile-picture overlap, every cover size on Facebook, and why your design looks broken on phones.
X (Twitter) Profile Picture Size 2026: Dimensions, Display, Circle Crop
Exact pixel sizes for X profile, header, posts, and Premium animated avatars. Plus what X does to your upload, mobile vs desktop display, and the file size errors that block uploads.
What Are Content Credentials? The 2026 Practical Guide to C2PA
Content Credentials are the new image authenticity standard. Here is exactly what they are, who signs with them, how to check your own photos, and what the EU AI Act means for you.
Discord Image Sizes 2026: Avatar, Banner, Server Icon, Emoji
Exact pixel sizes, file size limits, and the Free vs Nitro differences for every Discord image type. Plus what Discord does to your uploads, and why your avatar looks blurry.
How to Combine Multiple Images into One PDF: 4 Methods Compared
Four ways to merge images into a PDF. Output sizes vary by up to 5x. Some methods upload your files, others don't. Honest comparison nobody else publishes.
Why Is My iPhone Photo So Large? (And How to Fix It in 2026)
Your iPhone photo is 10-30MB because of HEIC format, Live Photos, and 48MP capture. Here's exactly why, and three fast fixes that don't lose quality.
AVIF vs WebP vs JPG in 2026: Which Format Should You Actually Use?
AVIF is 50% smaller than JPG. WebP is 30% smaller. Both work in 95%+ of browsers in 2026. Here is which format to use for websites, photos, and email, with real numbers.
Why Are My Instagram Photos Blurry After Upload? (5 Real Reasons + Fixes)
Instagram compresses every photo on upload. Here are the 5 specific reasons your photos look blurry, and the exact dimensions, file size, and format that survive Instagram's compression intact.