Image optimizer
Elevate your images with robust editing tools available through the premium CKBox and Uploadcare integrations. In this guide you will discover how to modify and enhance visuals directly in the editor, giving you greater creative control.
# Image optimizer by Uploadcare
Uploadcare provides not only basic image editing capabilities, but also image properties adjustments and photo filters, further extending CKEditor 5 feature set.
# Demo
Click on the image to invoke the image toolbar, then use the image editing button
to access the Uploadcare editor.Tokyo: A City of Contrasts
Tokyo, the vibrant capital of Japan, is a city that seamlessly blends ancient traditions with cutting-edge modernity. From the serene temples and meticulously manicured gardens to the neon-lit skyscrapers and bustling tech hubs, Tokyo offers a captivating experience for visitors from all walks of life.
One of the most fascinating aspects of Tokyo is its unique blend of old and new. While the city is a global leader in technology and innovation, it also holds onto its rich cultural heritage. You can find serene temples and traditional tea houses nestled amidst the towering skyscrapers and bustling shopping districts. This harmonious coexistence of the past and present is what makes Tokyo such a captivating and unforgettable destination.
This demo presents a limited set of features. Visit the feature-rich editor example to see more in action.
# Image editing
Image optimizer by Uploadcare provides a handful of image editing capabilities, such as:
- rotation, mirroring and flipping,
- cropping,
- image parameters adjustment,
- filters.
What is great about image editing in Uploadcare is that all edits are not changing the original image. You can easily go back to the original after the cropping for examples.
# Image parameter adjustment
For more advanced image customization, Image optimizer by Uploadcare lets you fine-tune image parameters, ensuring you get the exact image you need. You can easily adjust brightness, exposure, gamma, contrast, saturation, vibrance and warmth.
If you are not sure which of the options would yield best results for a specific image, you can use the enhance functionality, which will adjust the image’s colors, saturation, and levels to unveil previously hidden details and bring colors to life automatically.
# Photo filters
Image optimizer by Uploadcare also provides a wide range of predefined photo filters that can quickly change the visual style of your image. Each of the over 40 filters can be applied with variable intensity.
# Configuration
To set up the editing capabilities, read the Uploadcare documentation.
All features listed above are available both for images uploaded to Uploadcare before editing and – if you enable the external images editing option – for images from other sources (external). Keep in mind that external images will be automatically uploaded to your Uploadcare account, once you click the edit image button to enable all the editing capabilities.
# Image optimizer by CKBox
CKBox provides image editing tools, straight from the asset manager or CKEditor 5, making working on content faster and more efficient. It saves time and resources as there is no need to resort to using a dedicated image editing software.
# Demo
Click on the image to invoke the image toolbar, then use the image editing button
to access the CKBox image editor.Warsaw's Charm

Warsaw, the vibrant capital of Poland, is a city steeped in history and culture. Despite being heavily damaged during World War II, Warsaw has been meticulously reconstructed, showcasing its rich heritage through landmarks like the Royal Castle and the Old Town Square. Today, it's a modern metropolis with a thriving arts scene, diverse culinary offerings, and a dynamic atmosphere that blends its historical charm with a contemporary spirit.
This demo presents a limited set of features. Visit the feature-rich editor example to see more in action.
# Image editing
CKBox premium feature provides editing capabilities such as:
- rotation, mirroring and flipping,
- cropping (freeform and to defined aspect rations),
- resizing (also to predefined presets).
All edits result in a new image being created on your CKBox account. This is done to preserve the original image, for example if it is used in other places. Editing and overwriting images is possible through the CKBox panel.
# Configuration
To set up the editing capabilities, read the CKBox documentation.
All the listed features are available both for images uploaded to CKBox before, and – if you enable the external images editing option – images from other sources (external). Keep in mind that external images will be instantly uploaded to your CKBox account, once you click the edit image button to enable all the editing capabilities.
Every day, we work hard to keep our documentation complete. Have you spotted outdated information? Is something missing? Please report it via our issue tracker.
With the release of version 42.0.0, we have rewritten much of our documentation to reflect the new import paths and features. We appreciate your feedback to help us ensure its accuracy and completeness.