What image sizes does Gmeld support for social media?

Gmeld supports all major social media platform image sizes including Instagram posts (1080x1080), Instagram stories (1080x1920), Facebook cover photos (820x312), YouTube thumbnails (1280x720), TikTok videos (1080x1920), Twitter headers (1500x500), and 70+ more platform-specific dimensions.

Are Gmeld tools completely free to use?

Yes, all 90+ tools on Gmeld are completely free to use. No registration required, no hidden fees, no limitations on usage. We provide unlimited access to image resizers, converters, generators, and utilities.

What types of tools are available on Gmeld?

Gmeld offers image resizing tools, social media optimizers, Base64 encoder/decoder, JSON formatter, QR code generator, password generator, hash generators, color palette tools, text converters, URL shorteners, and many more web utilities for developers and content creators.

Gmeld - Free Online Tools for Image Resizing, Social Media & More

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🎨 Creating Your Images

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Mastodon Image Resizer - Perfect Dimensions Every Time

Create professional Mastodon images with our free online resizer tool. Get the exact dimensions needed for Mastodon profile pictures, cover photos, posts, stories, and ads. No watermarks, no registration required.

Why Choose Our Mastodon Image Resizer?

100% Free: No hidden costs or premium features
Perfect Quality: High-resolution output with optimal compression
Privacy Safe: All processing happens in your browser
Instant Results: Upload, resize, and download in seconds

Mastodon Image Formats Supported

Profile Picture 400 × 400px

Header Banner 1500 × 500px

Post Image 1200 × 675px

Instance Logo 512 × 512px

Server Banner 1920 × 480px

Custom Emoji 64 × 64px

Community Badge 128 × 128px

Federation Graphic 800 × 600px

Mobile App Icon 192 × 192px

Story Highlight 1080 × 1920px

Poll Option 600 × 300px

Timeline Card 1024 × 512px

Professional Mastodon Marketing

Perfect for digital marketers, social media managers, content creators, and businesses looking to maintain consistent Mastodon branding with professionally sized images.