Add Image Lines
The Add Image Lines tool allows you to draw clean, adjustable lines on any photo. Whether you want to underline text, highlight a specific object, create annotation lines for tutorials, or design creative accents for thumbnails and graphics, this tool offers full control over thickness, color, position, angle, and opacity.
What Does “Add Image Lines” Mean?
Adding image lines means drawing straight or angled lines on top of a photo. These lines can act as highlights, annotations, separators, decorative strokes, or directional markers that guide the viewer’s attention.
The tool allows you to place multiple lines with customizable styles for educational, professional, or creative designs.
Why Use Image Lines?
- Highlight key areas in tutorials, screenshots, or presentations.
- Underline text or objects for emphasis.
- Create stylish line accents for thumbnails and banners.
- Point to specific details using angled highlight lines.
- Enhance compositions with decorative strokes.
How the Line Overlay Tool Works
You can draw one or multiple lines on the image by selecting style controls such as thickness, color, angle, and length.
- Upload your JPG, PNG, or WEBP file.
- Add a straight line to the canvas.
- Customize:
- Line thickness
- Line color
- Opacity
- Length & angle
- Position (drag anywhere)
- Add multiple lines if needed.
- Download your edited image instantly.
Types of Lines You Can Add
- Straight underline lines: Perfect for titles or highlighted text.
- Highlight lines: Draw attention to specific image areas.
- Vertical or horizontal lines: For charts, layouts, and separators.
- Angled lines: Ideal for annotations and directional guidance.
- Colored decorative lines: Trendy line elements for thumbnails.
- Multiple overlay lines: Create advanced designs or diagrams.
Best Use Cases for Adding Lines
- YouTube thumbnails to highlight areas with bold diagonal lines.
- Educational screenshots for step-by-step guides.
- Product photos to point out features.
- Business presentations using lines for emphasis.
- UI/UX design marking important interface regions.
- Creative artwork with decorative strokes and accents.
Features of the Add Image Lines Tool
- Precise line placement with drag-and-move controls.
- Custom thickness adjustment for subtle or bold lines.
- Wide color selection including neon and soft tones.
- Opacity control for transparent highlight effects.
- Supports transparent PNG output for further design use.
- No quality loss during editing.
- No watermark — professional-quality exports.
Benefits of Using Annotation & Highlight Lines
by directing viewer focus. - Makes instructions clearer in guides and tutorials.
- Adds dynamic energy to thumbnails and posts.
- Improves design aesthetics with modern linear accents.
- Allows precise marking on photos, graphics, and UI layouts.
Tips for Best Line Effects
- Use bright colors (red, yellow, neon blue) for high visibility.
- Use thin white lines for clean, minimal designs.
- Diagonal lines create stronger emphasis than horizontal ones.
- For annotations, keep lines thin and semi-transparent.
- For thumbnails, use bold lines with contrasting colors.
Frequently Asked Questions
1. Can I add more than one line?
Yes — you can add unlimited lines to your image.
2. Can I adjust line thickness and color?
Absolutely — you have full control over line styling.
3. Does adding lines reduce image quality?
No — your original resolution remains intact.
4. Can I create transparent PNG images with lines?
Yes — transparency is supported on export.
5. Are images stored on a server?
No — everything is processed locally in your browser.
Related Tools (Recommended)
Add Lines to Your Image Instantly
Upload your image and draw clean, customizable lines — perfect for highlights, annotations, tutorials, and creative designs.