Free Online Image Editor
Drawing Concentrated Lines on Images
This is a free image editor that runs in your web browser.
It allows you to edit images easily on a PC or smartphone without installing anything.
Using this tool lets you draw concentrated lines on an image with simple controls.

How to Draw Concentrated Lines on Images

First, click "Open Image File" in the main menu to load an image file.
Open Image File
You can also open a file by dropping the image directly onto the canvas.
Drop Image File

Set the area for the concentrated lines

Once the image is loaded, drag and drop to select the location to be at the center of the concentrated lines.
Selection area
If you do not select an area, concentrated lines will be drawn toward the center of the image.
When you are done with set up, click the Apply button to draw the concentrated lines on the image.
Concentrated Lines
Number of Lines This sets the number of concentrated lines. The larger the number, the denser the lines will be.
Line Weight This sets the thickness of the lines.
Opacity This sets the transparency of the lines. Larger values are more opaque, while smaller values are more transparent.
Line Color This sets the color of the concentrated lines.
[Ex. 1] Concentrated lines drawn toward the center of the image
add Concentrated Lines 1 Arrow add Concentrated Lines 2
[Ex. 2] Concentrated lines drawn toward the bottom right of the image
add Concentrated Lines 3 Arrow add Concentrated Lines 4

Saving Images

When you finish editing, save your image.
Please save the image that is displayed on the canvas directly from the menu of your web browser.
save image as
You can also save your work using "Save Image" in the main menu, but this may not function in some browsers.
save image

Handling of images

This app performs the image processing on the user's device, and does not transmit any imported images externally.
Accordingly, there is no worry of the content of the image being recorded on servers, nor of any leakage to outside parties.