Picovert Blog
Image format guides, web performance deep dives, and the engineering behind a privacy-first toolkit.
Facebook Group Cover Photo Size: 2026 Dimensions Guide
Facebook group cover photo size is 1640x856 px. Learn the correct dimensions, safe zones, and how to resize and optimize your Facebook group cover image for 2026.
TikTok Image Sizes 2026 — Profile Photo, Post, and Video Thumbnail
All TikTok image dimensions: profile (200×200), photo post (1080×1920), video thumbnail (1280×720). Resize free in your browser — no account needed.
TikTok Profile Picture Size: Best Dimensions for 2026
TikTok profile photo requirements: 200×200px minimum size, circular crop, file size limits, and tips for making your profile picture look sharp on every device.
Threads Image Size Guide 2024 — Profile Photo and Post Dimensions
Complete Threads image size guide: profile photo (400×400), square post (1080×1080), portrait post (1080×1350), landscape (1080×566). Max 8 MB per image. Resize and compress free.
Optimize WordPress Media Library Images: Compress Before You Upload
Large images bloat your WordPress media library and slow your site. Learn the best way to compress and resize images before uploading to WordPress.
Telegram Image Size Guide: Profile, Stickers, and File Sharing
Exact image dimensions for Telegram: profile photos, stickers, channel images, and how to send photos without compression using the File method.
Snapchat Image Sizes 2026 — Snaps, Stories, Spotlight & Ads
The exact image dimensions for every Snapchat surface: Snaps, Stories, Spotlight videos, profile Bitmoji, and Snap Ads. Get pixel-perfect uploads that fill the screen without black bars.
Squarespace Image Size Guide 2026: Every Section Covered
Exact image sizes for Squarespace websites in 2026: banner/hero (2500px wide), gallery (1500px), blog (1500×844px), product images (1500×1500px), logo (250px high max), and how to optimize for Squarespace's CDN.
Substack Image Size Guide 2026: Newsletter Cover, Inline & Profile
Optimal image sizes for Substack newsletters in 2026: post cover (1000×563px), inline images (800px wide), profile photo (400×400px), and publication logo. Optimize your Substack images for email and web display.
How to Compress Images for Squarespace: Size & Format Guide
Squarespace recommends images under 500 KB and max 2500px wide. Learn how to compress images for Squarespace to improve page speed, SEO, and layout quality.
Shopify Image Size Guide — Product, Banner, and Logo Dimensions
Shopify image sizes: product images at 2048×2048 px square, hero banners at 1800×600 px, logo under 450×250 px. File size limits and how to optimize Shopify images free.
Slack Image Size Guide 2026: Profile, Banner & Shared Images
The exact image sizes for Slack in 2026: profile photo (512×512), workspace icon (512×512), banner (1600×340), and how Slack compresses shared images. Optimize your images before uploading.