10 Best Image Compression Tools for SEO 2025

Optimizing images is one of the easiest ways to make your website faster and improve SEO. Compressed images load quicker, enhance user experience, and boost search rankings. Below are 10 tools to help you compress images without losing quality:

• TinyPNG: Compress PNG/JPEG images with a simple interface and WordPress plugin.
• Squoosh: Google’s browser-based tool with real-time previews.
• ShortPixel: WordPress plugin with multiple compression options (Lossy, Glossy, Lossless).
• Imagify: Offers three compression levels and auto-resizing for WordPress users.
• Kraken.io: Advanced features like API integration and support for multiple formats.
• JPEG Optimizer: Basic tool for quick JPEG compression.
• ImageOptim: macOS app for lossless and lossy compression.
• Compress PNG: Simple online tool for shrinking PNG files.
• Optimizilla: Adjustable quality slider with batch processing.
• BrightSide SEO: Pairs image optimization with broader SEO services.

Quick Comparison

Key Takeaway

For WordPress users, ShortPixel and Imagify stand out. If you need advanced features, Kraken.io is ideal, while TinyPNG and Squoosh are great for quick, simple tasks. Test a few tools to find the best fit for your needs.

Top 5 Image Optimization Plugins for Website Speed and SEO

1. TinyPNG

TinyPNG is a tool designed to compress PNG and JPEG images while keeping their visual quality intact. It works through both a simple web interface and an API, making it easy to integrate into your workflow.

This tool is especially helpful for websites that handle large volumes of images and aim to improve SEO performance. It even offers a WordPress plugin for seamless use.

Key features include:

• Bulk compression for handling multiple images at once
• Clear and detailed API documentation for developers
• Plugins compatible with popular CMS platforms
• Optimization tailored to each image's content

TinyPNG stands out for its ability to shrink file sizes without compromising image quality. This helps improve page load times, which is crucial for better Core Web Vitals and search rankings.

Up next, we'll take a closer look at another image compression tool, Squoosh.

2. Squoosh

Squoosh is an image compression tool from Google that works directly in your browser, no installation needed. It offers a clean interface with a split-screen view, letting you see real-time changes as you adjust compression settings.

Key Features:

• Works entirely online - no downloads required
• Advanced compression settings that you can tweak to your needs
• Real-time split-screen preview to compare quality before and after compression

This tool is designed to make image optimization simple, helping your website load faster and boosting SEO performance. Up next, take a look at ShortPixel for more image compression options.

3. ShortPixel

ShortPixel helps improve site performance and SEO by compressing images in bulk. It works seamlessly through a WordPress plugin or a web interface, ensuring your images stay sharp while loading faster.

Key Features:

• Automatically optimizes images as you upload them.
• Offers three compression options: Lossy, Glossy, and Lossless.
• Supports compression for PDF files.
• Converts images to the WebP format for better performance.
• Includes an option to remove EXIF data.

Next, let’s look at Imagify, another tool for optimizing images.

4. Imagify

Imagify works seamlessly with WordPress and also provides a standalone web interface. It gives you three compression levels to choose from - Ultra, Aggressive, and Normal - allowing you to balance between reducing file size and maintaining image quality.

One standout feature is its ability to automatically resize images as you upload them. This, combined with its compression settings, ensures your images are optimized for faster loading and better performance. Next, let’s take a look at how Kraken.io handles image optimization for SEO.

5. Kraken.io

Kraken.io is a powerful tool for compressing various file types, including JPG, PNG, WebP, GIF, SVG, AVIF, HEIC, and PDF. It can reduce file sizes by up to 90% using advanced lossy compression techniques. Users can choose between lossy and lossless compression, with fast processing speeds that handle high volumes efficiently.

The platform is well-suited for businesses managing large image libraries, thanks to its reliable API integration and infrastructure support.

"Our development team integrated Kraken.io effortlessly, significantly reducing bandwidth usage." - Anton Molleda, Program Manager, Microsoft

For WordPress and Magento users, Kraken.io offers official plugins that automatically optimize images during upload. These plugins also include bulk optimization for existing media libraries, saving time and effort.

Pricing Plans

Kraken.io provides scalable pricing options to fit different needs:

All paid plans include features like API access, Web Interface PRO, WordPress Plugin, Magento Extension, and cloud storage. A free account with a 100 MB quota is also available for testing.

Kraken.io’s auto-resize feature ensures images are optimized for all devices, improving mobile page load times and enhancing SEO performance.

With images accounting for 62% of internet traffic today, Kraken.io helps lower bandwidth costs while improving website speed and user experience.

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6. JPEG Optimizer

JPEG Optimizer is a simple, browser-based tool designed to compress JPEG images. However, details about its features and performance are scarce, making it harder to evaluate its effectiveness for SEO purposes in 2025. Information on aspects like file size limits, batch processing, or compression methods is notably missing.

This tool is limited to JPEG files, so if you're working with other formats, you'll need to explore different options. It’s a basic choice for quick JPEG compression without extra bells and whistles.

Let’s move on to the next tool to broaden your image optimization options.

7. ImageOptim

ImageOptim is a desktop app designed specifically for Mac users to compress images efficiently for SEO purposes. This free, open-source tool minimizes image file sizes without compromising quality, making it a go-to choice for developers and SEO experts.

The app automatically removes unnecessary metadata and color profiles, streamlining the optimization process.

Standout features of ImageOptim include:

• Lossless compression as the default setting, with an option for lossy compression to achieve greater reductions.
• Batch processing for optimizing multiple images at once.
• A simple drag-and-drop interface for an easy workflow.
• Command-line integration, enabling automated processing for advanced users.

ImageOptim supports widely used formats like PNG, JPEG, and GIF. For web developers dealing with extensive image libraries, its ability to process entire folders makes it a practical option for bulk tasks.

That said, ImageOptim's macOS exclusivity means Windows and Linux users will need to look elsewhere. Additionally, it lacks the web-based integration found in some cloud-based tools, which might be a drawback for users seeking online solutions.

For Mac users focused on image optimization, ImageOptim offers a straightforward, cost-free solution. Keep reading to explore tools that cater to other platforms and needs.

8. Compress PNG

Compress PNG is designed specifically to shrink PNG file sizes, making your web pages load faster and improving SEO. Make it a habit to compress your PNG images before uploading them and regularly review your image assets to ensure they're optimized. Up next, we’ll look at another tool to help fine-tune your image optimization process.

9. Optimizilla

Optimizilla is a handy tool for compressing JPEG and PNG images without sacrificing their quality.

It features a side-by-side comparison interface, allowing you to see real-time previews as you tweak the quality slider. Some standout features include batch processing, an adjustable quality slider with instant previews, and no need for registration.

On the downside, it has a file size limit per image and lacks advanced options like metadata removal or automatic resizing, which might be inconvenient for more demanding users.

Let’s move on to the final tool in our list.

10. BrightSide SEO and Image Compression Alternatives

When it comes to image optimization from an SEO perspective, BrightSide SEO focuses on delivering cost-effective services like technical audits, keyword research, and performance tuning. However, it doesn't include a specific tool for image compression.

For compressing images, CompressJPEG is a great option. This online tool works with JPEG and PNG files, offering a simple and easy-to-use interface. No need to sign up or deal with complicated settings - just upload, compress, and download.

Pairing CompressJPEG for image compression with BrightSide SEO's services can help improve your site's speed and search engine rankings.

Tool Comparison Chart

When choosing image compression tools for SEO in 2025, keep these factors in mind:

• Free vs. Paid Plans: Free plans often limit the number of images you can optimize each month. Paid plans typically include extras like bulk processing and API access.
• Ease of Use: Some tools are browser-based and work well for individual users. Others integrate directly with platforms like WordPress, making them ideal for bloggers and small businesses.
• Performance Testing: Try compressing sample images with multiple tools to see how they compare in terms of compression levels, image quality, and speed.
• Advanced Features for High-Volume Users: If you handle a large number of images, look for features like custom integrations, dedicated API support, or white-label options. Balance these against their cost to see if they meet your needs.

For a tool that supports both image optimization and your broader SEO goals, BrightSide SEO offers solutions designed to improve search rankings and site performance.

Summary and Recommendations

Our review highlights some of the best image compression tools tailored to various business needs in 2025:

For WordPress users, ShortPixel stands out with its WordPress plugin, offering smooth integration and efficient bulk compression. It simplifies optimization tasks for content managers handling large image libraries.

For small businesses and freelancers, TinyPNG is a great free option. Its simple interface makes it easy to handle basic image compression needs without hassle.

For enterprise-level requirements, Kraken.io provides advanced features like API access and automated workflows. Its lossless compression technology reduces file sizes effectively while maintaining image quality.

For a combined SEO and image optimization approach, BrightSide SEO offers tools that pair image compression with broader SEO support, making it a solid choice for businesses looking for a more integrated strategy.

Key Features to Look For

When choosing an image compression tool, prioritize these features:

• Batch processing to save time and improve workflow
• Support for multiple formats like JPEG, PNG, and WebP
• Customizable compression levels to balance quality and size
• API access for seamless integration with your systems

Picking the right tool can improve your website’s loading speed and strengthen your SEO efforts. Be sure to consider factors like your monthly image volume, quality needs, and budget. Testing several tools with your specific image types before committing to a paid plan is a smart move.

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