The best Image Optimizer alternative to Image Toolbox is Caesium Image Compressor, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Image Toolbox and 17 are Image Optimizers so hopefully you can find a suitable replacement. Other interesting Image Optimizer alternatives to Image Toolbox are FastStone Photo Resizer, Light Image Resizer, Switcheroo Image Manipulation and Image Normalizer.
Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.
Batch process photos with resizing, cropping, color adjustments, text or watermark overlays, preview changes before saving, automate renaming with custom patterns, support for major formats, folder structures, preset settings, and drag-and-drop management.
Create email-friendly images, resize in batches, convert formats, and compress using high-quality filters. Integrated in Windows Explorer, it offers high-res settings, watermarking, a profiles library, PDF creation, and supports devices like iPad and iPhone.
Switcheroo is designed to give you a simple, quick, and easy-to-use tool to convert and manipulate your images in whatever way you like. It is built on top of the most advanced image editing libraries, ImageMagick.
Image Normalizer is a cross-platform command-line batch-processing tool that resizes and compresses images, transforming each image by:
PhotoBulk is easy-to-use bulk image editor that lets you add text/image watermark, resize, and optimize hundreds and thousands of images or photos in just one click.
Bulk Resize Photos resizes batches of your photos in your browser so that they are a more suitable size for transmission over the internet.
ImageMagicTool is a simple, browser-based utility designed to help users quickly resize, compress, or convert images without the need for software installations or logins.
SnapScaler is a privacy-first batch image processing tool designed for photographers, content creators, and e-commerce sellers.
SnapScaler is the most popular SaaS alternative to Image Toolbox.
Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.
Ralpha Image Resizer is a lightweight and portable program that can perform image operations in batch mode, such as resizing and applying filters.
Batch compress JPEG, PNG, HEIC, and WEBP images with drag-and-drop functionality, maintain high visual quality, and optimize files for storage, websites, and sharing across platforms without cloud upload or watermarks, supporting offline privacy.
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