When posting images to blogs, websites, or social media, optimizing the file format and size is very important.
Images that are too large will slow down the display speed, and some platforms have size and format restrictions.
Here we introduce a simple online image tool that can be used with just your browser, no software installation required.
We've compiled a list of free online tools that allow you to easily optimize images for your website or blog. No software installation is required; you can use it with just your browser.
Convert image formats (PNG ↔ JPG)
Different platforms support different image formats:
JPG is widely supported and has a smaller file size, while PNG is useful if you need a transparent background.
Convert instantly here:
👉 https://png2jpeg.com
✔ High-speed online conversion
✔ No registration required
✔ Compatible with smartphones and PCs
✔ Conversion while maintaining image quality
Compress images (reduce file size)
Large images can cause upload errors and slow down display speeds,
so compressing them can reduce file size while maintaining image quality.
Online Compressor:
👉 https://png2jpeg.com/compress-image
Recommended uses:
Blog posts
, website optimization
, email attachments
, and faster page display.
📏 Resize Image
Each platform has recommended sizes, so
you can easily adjust them before uploading.
Resize tool:
👉 https://png2jpeg.com/resize-image
Main uses:
Blog images
, profile pictures
, web banners
, and social media posts
✂️ Crop (trim) images
You can remove unnecessary parts and highlight important parts.
Crop tool:
👉 https://png2jpeg.com/crop-image
Useful uses:
Product images
, profile pictures
, creating easy-to-read compositions
🔄 Image to Base64 conversion
The Base64 format is useful for embedding images directly into web pages or code.
Image → Base64:
👉 https://png2jpeg.com/image-to-base64
Base64 → Image:
👉 https://png2jpeg.com/base64-to-image
🧩 Merge multiple images
You can combine multiple images into one file.
Image Joiner Tool:
👉 https://png2jpeg.com/image-joiner
🎨 Get color code from image
You can extract colors from an image and use them as a reference for design and color schemes.
Color Picker:
👉 https://png2jpeg.com/image-color-picker
⭐ Create a favicon for your website
You can create a favicon for your website from an image.
Favicon creator:
👉 https://png2jpeg.com/image-to-favicon
💡 Benefits of using online tools
✔ No software installation required
✔ Easy to use
✔ Compatible with PCs and smartphones
✔ Ready to use
Properly preparing your images can improve the speed, appearance, and compatibility of your website.