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

Watermark Generator - Add Watermarks to Images Online

Premium Watermark Generator

Upload your images, add a text or image watermark, customize everything, and download all results as a ZIP with thumbnails and originals.

📁
Click or drag & drop images here
Supports multiple images (JPG, PNG, WebP, etc.)

Rename files in ZIP (optional)

Prefix
Postfix
Numbering
to Nr. size

How it works: Leave Numbering to empty to rename all selected files. Set a number to stop renaming at that number (extra files will not be included in ZIP).

Example: (no renaming)

⚡ Quick Presets

Text Watermark

Size Opacity Rotation

Position

Add Outline Width

Image Watermark

Size Opacity Rotation

Position

Tile Pattern Spacing

Preview image:

Thumbnail size

Width 🔒 Height

Export Format

ZIP file structure

📁 originals/ Original images, untouched but renamed if selected

📷 watermarked_org/ Watermarked, original size

🖼️ thumb/ Watermarked thumbnails (custom size)