For example, if you have a PNG of a donut on white background, then the white color will be both inside and outside of the donut. Locate the watermark you want to remove and click. After uploading the PDF file, go to the toolbar on top of the page and click on Edit. Delete a watermark Go to Insert and then Watermark to open a panel on the right. This watermark remover allows you to get rid of a logo in seconds. Simply uncheck the box and the watermark you added will be removed.
If you do not need anymore adding on your document, you can easily remove a watermark. Additionally, we have added an option "Match Outer Pixels Only", which lets you remove only those areas that are in contact with the outer edges of the image. Go to Soda PDF Online and click on Open in the left toolbar. The watermark youve made will be visible on the document as you continue editing.
This way, you don't have to know the name or code of the transparent color and you can make the PNG transparent by simply clicking on the color in the PNG. For example, if you click a green pixel, then all greenish pixels will be made transparent. The Smallpdf Delete PDF Pages online tool allows you to delete a page from anywhere in your document and save it as a new file. Also, you can interactively click on the input PNG to instantly remove any color and its tones. By increasing the smoothness radius, you can remove more pixels from the edges and make PNG clearer. This option makes the pixels on the border between transparency and opacity semi-transparent.
If you remove the color and the edges of the image still have a pixel or two of the old color, you can refine the edges and smooth them by enabling the "Smooth Edges" checkbox. For example, if the color that you're removing is red, then it will also remove cherry-red, rose-red, wine-red, and similar shades of red. By default, 30% similar color tones are matched but you can change it as you see fit. To match similar color tones, enter the similarity percentage in the settings.
This online browser program replaces any solid color and its close color tones in a Portable Network Graphics (PNG) photo or picture with transparent pixels.