These browser-based image tools help with quick edits, social assets, and lightweight production prep.
When you need a fast image change without opening heavy editing software, these tools do the job in a few clicks: resize a photo to an exact size, or add a caption, label, or watermark before you share it. Each tool keeps the controls simple so you can finish a single task and move on.
They work right in your browser, with no account and no software to install.
Image Resizer
Resize images to exact dimensions and export optimized output.
Image Text Overlay
Add watermarks, captions, and labels to single images or batches.
How to choose
Use the image resizer when you need a photo at a specific width or height, such as a profile picture or a banner. Use the image text overlay when you want to add words to an image, such as a caption, a label, or a simple watermark before sharing.
Related guides
- How to resize images for the webChoose the right dimensions and keep files small without losing quality.
Frequently Asked Questions
- Will my images be uploaded permanently?
- No. Files are retained only for short processing windows and then cleaned up.
- Can I use this on mobile?
- Yes, image tools are responsive and work on modern mobile browsers.
- Do I need to install anything?
- No. The image tools run in your browser with no installation.
- Is there a file size limit?
- Very large files may process slowly, so resize before adding overlays when a file is large.
- Do the tools cost anything?
- No. The image tools on STSApps are free to use.