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Looking to spruce up your desktop or phone screen with sleek backgrounds? Look no further! In this article, we've curated a selection of inspiring color-themed background generators just for you.

While many people appreciate high-resolution backgrounds with intricate details, they can sometimes make it challenging to spot icons and files on your desktop.

To sidestep cluttered icons and overly elaborate designs, opting for simple, vector-based backgrounds with flat colors is the way to go. That's why we've handpicked five free online background generators that let you effortlessly customize your background without any hassle of registration.

5 Free Online Tools to Create Your Own Backgrounds Without Registering an Account

Simply pick your preferred style, tweak some parameters to suit your taste, and voila! Within moments, you'll have a personalized desktop background in JPG, PNG, or SVG format. We've put numerous background generators to the test to bring you the cream of the crop.

»  Cool Backgrounds

Our background generator stands out as the premier choice amidst a plethora of options. It provides captivating backgrounds that serve as a versatile toolkit for crafting dynamic images tailored for blogs, social media, and websites. Not only do these backgrounds adorn digital spaces, but they can also double as desktop wallpapers or be resized for mobile phone backgrounds. With four distinct styles—polygonal triangles, diverse lines, and multilayer gradients—users can select from pre-defined color palettes, ensuring exceptional color variety.

The backgrounds produced by this tool are formatted panoramically, making them ideal for computer use. However, they can be cropped to suit mobile phone screens, offering flexibility in application. It's worth noting, though, that the resulting images are exclusively available in PNG format, a limitation that can be worked around.

» BGJar

BGJar is considered the go-to background generator for designing backgrounds in SVG format, making them usable as backgrounds for websites and applications as well. The generator offers six different styles to choose from, all of which are simple yet extremely elegant.

Featuring a carefully designed user interface, the generator provides a wide range of options. For each style, we can customize the panel size, gradient type, colors in HEX or RGBA format, as well as other details like wave curvature and line direction.

Once you've chosen the appropriate background, you can download it directly as an SVG file or copy the code in CSS format to use it anywhere you like. It's a highly recommended background generator for its versatility and ease of use.

» Haikei App

The background generator offers the most comprehensive range, featuring 15 distinct styles for selection. It boasts extensive customization options, encompassing colors, shapes, and formats, along with intricate details that enhance the image's appeal.

Furthermore, users have the flexibility to select the background size according to their preferences. Although the PNG format restricts the download size to 900 pixels, this limitation can be effortlessly bypassed by opting for the SVG format.

It's important to note that if there's no software available to edit SVG files, users can directly open the file from their browser. This allows large-dimensional images, such as those sized at 1200 pixels, to be displayed in full resolution. Users can conveniently capture a screenshot to preserve the image in JPG or PNG format.

» BgGenerator

This background builder is exceptional thanks to a unique feature of extreme customization. We can edit everything from the colors of the elements to the size of the shapes and small details, to create a unique image that expresses us.

When creating the background, it can be easily downloaded in JPG or PNG format without the need for pre-registration, making the user experience more convenient and easy. The app offers 7 different styles to choose from, but the polygon pattern is the most admired to me personally because of its novelty and distinction.

» Superdesigner

Superdesigner, like the other tools on this list, offers its service for free without the need for prior registration. It allows users to choose backgrounds from 5 different styles, with the option to customize details such as colors and design.

This generator provides most export options, as it can select SVG, PNG, and JPG code formats. Users can also choose the appropriate image size (1x, 2x, 3x, 4x, and 5x), providing great flexibility in the design and export process.

Above, we presented to you the five best online tools to create high-resolution wallpapers for your phone or computer screen for free.