8 min read
Top 5 Free Online Image Editors for 2026: Which One is Best?
Looking for a Photoshop alternative? We compare the best free online image editors to help you choose the right tool for your needs.
Read ArticleCrop Images Online for Free
Transform your photos with our advanced cropping tool. Whether you need a square for Instagram, a 16:9 for YouTube, or a custom size, Onyx makes it easy. 100% private, no uploads required.
How to Crop an Image in 3 Steps
1
Upload your photo to Onyx or drag and drop it onto the canvas.
2
Select the "Crop" tool from the sidebar and choose a preset ratio (Original, Square, 16:9, etc.) or drag the handles freely.
3
Click the checkmark or "Apply" to finalize your crop, then export your perfectly compositioned image.
Preview
Social Media Ready
Includes built-in presets for Instagram Posts (1:1), Stories (9:16), YouTube Thumbnails (16:9), and more.
Privacy Guaranteed
Unlike other tools, your images are processed entirely on your device. Nothing is ever uploaded to a server.
Lossless Editing
Our smart cropping algorithm ensures your image stays sharp and clear, pixel for pixel.
Custom Aspect Ratios
Need a specific dimension? Type in exact pixel values or aspect ratios for precise control.
Frequently Asked Questions
How do I crop a photo into a circle?
Use our "Mask" tool instead of standard crop. Select the "Circle" shape mask to instantly create a round image perfect for profile pictures.
Can I crop multiple images at once?
Currently, Onyx focuses on perfecting one image at a time to ensure maximum quality and control.
What file formats can I crop?
We support all major formats including JPG, PNG, WebP, and even PDF pages.
Is there a watermark?
Never. Onyx is completely free and adds no watermarks to your exported images.
Related Articles
5 min read
How to Edit Photos Privately in Your Browser
Did you know most online editors upload your photos to their servers? Learn why local-processing editors like Onyx are safer.
Read Article6 min read
The Ultimate Guide to Image Cropping and Resizing
Master the basics of image composition. Learn the difference between cropping and resizing and how to do it without quality loss.
Read Article