# CoverView renders blog cover images in the browser and exports them as PNG

> CoverView is an MIT licensed React application that composes a blog cover image in the browser, with seven themes, multiple fonts, an Unsplash image search, over a hundred developer icons and a size preset for each blogging platform, and it exports the result without a round trip to a server because the rendering happens client side.

**rutikwankhade/CoverView** — 🛠 Create awesome cover images for your blog posts quickly.

- Repository: https://github.com/rutikwankhade/CoverView
- Website: https://coverview.vercel.app
- Stars: 1,108 · Forks: 182
- Language: JavaScript
- License: MIT
- Published: 2026-10-19 · Updated: 2026-10-19 · Language: en
- Canonical page: https://hysenlabs.com/projects/rutikwankhade-coverview

## The whole tool runs in the browser

CoverView's pitch is short. Creating cover images for your blogs is now super easy.

The feature list is what you would expect from a small, focused tool.

- super fast and easy to use
- unsplash integration to search images
- 7 different themes, multiple fonts
- 100+ dev icons with option to upload custom icon
- Cover size based on blogging platform (i.e hashnode and dev)

What the dependencies reveal is the mechanism, and it is the interesting part of the project. The runtime dependencies include dom-to-image at ^2.6.0, which is the library that serialises a DOM subtree to an image, and react-component-export-image at ^0.1.6, which is a React wrapper around that idea. So the cover image is a live DOM, a styled React tree, and the export is a rasterisation of that tree in the browser.

That single decision has a lot of consequences and it is what makes the tool fast. There is no render on a server, no upload, no queue, and no image processing service. The user composes a cover, sees it exactly as it will look, and downloads the result. The acknowledgements credit dom-to-image explicitly, along with Hero Patterns for the background patterns and Devicons for the icon set.

Hero Patterns is worth noting as a dependency of the design rather than only of the code. The themes are built on a library of generated geometric SVG patterns, which is why seven themes is a plausible number for a tool with no design team, since the visual variety comes from a parameterised pattern generator rather than from seven hand-drawn layouts.

The application itself is a Create React App project, which the README says outright, and the scripts are the Create React App scripts.

```json
"scripts": {
  "start": "react-scripts start",
  "build": "react-scripts build",
  "test": "react-scripts test",
  "eject": "react-scripts eject"
}
```

The eject script is still there, which is the standard Create React App escape hatch, and the fact that it remains in the scripts suggests the project has not needed to leave the Create React App conventions.

## Tailwind for the layout, headlessui and react-select for the controls

The dependency list mixes a few eras of React tooling, and the styling choice is worth calling out.

The styling is Tailwind, with tailwindcss at ^3.0.24 in the dev dependencies, postcss at ^8.4.12, autoprefixer at ^10.4.4, a postcss.config.js and a tailwind.config.js at the repository root. For a tool whose entire output is a graphic, using a utility-first CSS framework is a natural fit, because the layout of a cover is a set of positioning and sizing decisions rather than a design system, and Tailwind expresses those directly in the markup.

The interface components are @headlessui/react at ^1.7.7, which provides unstyled accessible components, and react-select at ^5.10.2 for the dropdowns, which is what you want for a font picker or a theme picker with many options. The router is react-router-dom at ^6.30.3, so the app has more than one route, most likely an editor and a settings or gallery view.

The internationalisation stack is i18next at ^24.2.3 with i18next-browser-languagedetector at ^8.0.4 and react-i18next at ^15.7.4, and dotenv at ^16.0.1 for the environment. So the tool is translated, and it reads its configuration from a .env file.

The Unsplash integration is unsplash-js at ^7.0.20, which is the official JavaScript client. That library needs an access key, and there is no key in the repository, so the image search is the one feature that requires the user to obtain a credential before it works. The .env.example is not in the top level listing, but the dotenv dependency implies the configuration is expected in an environment file.

The schema validation pair is ajv at ^8.12.0 with ajv-keywords at ^5.1.0, and it is a runtime dependency rather than a dev one, which tells you the application validates data at runtime, most likely the saved configuration or the imported content.

## The export path and the per platform size presets

The last feature is the one that decides whether the output is usable at all.

Cover size based on blogging platform (i.e hashnode and dev)

A cover image is not a decorative extra, it is the thumbnail that appears in a feed, in a search result and in a social card, and the platforms disagree about the aspect ratio and the pixel size they want. The cover you make for a 1200 by 630 Open Graph card is not the cover that looks right in a Dev.to listing, and a tool that lets you pick the destination and renders the right canvas removes the most common way these images go wrong.

So the application holds the composition, the theme, the font, the icon and the image as state, renders them into a sized container, and the export library turns that container into a file. The size presets are not a post-processing crop, they are the layout constraint, so the theme has to be designed for each aspect ratio rather than scaled into it.

The icon handling is the other half. A hundred plus dev icons with option to upload custom icon covers two cases, the developer who wants the logo of the tool their post is about, which is the Devicons set, and the developer who wants their own project's logo, which is the upload. The Devicons dependency in the acknowledgements is the source of the hundred.

The fonts are a separate dimension from the themes. Seven themes and multiple fonts means the theme is a colour and layout treatment while the font is orthogonal, so a user can keep a theme and change the typeface when a post is about typography, which is a reasonable thing to want.

The application is deployed at coverview.vercel.app, and the package.json marks the package as private with version 0.1.0, which tells you the project is not published to a registry. It is a deployed web application, not a library, and the repository has no GitHub releases, with the last push to master on 2026-07-15.

## Where CoverView is the wrong choice

The first wrong case is a publication that needs a template and a review step. The tool composes one cover at a time, by hand, in the browser. A team publishing a weekly digest with a fixed design, a house font, a logo and a colour palette, and a colleague who has to approve each image, needs a design template workflow rather than a canvas. Nothing in the feature list describes templates, presets that can be saved, or a batch mode.

The second wrong case is a team that needs images generated automatically. Because the composition lives in the browser, there is no headless mode, no API and no scriptable path, unless someone drives the React app in a browser automation. A pipeline that generates one cover per post from a content record cannot use this tool as it stands.

The third wrong case is a workflow that needs to keep the covers in version control. The output is a downloaded image file, so a team can store it, but the composition itself, the theme choice, the font and the icon, is not an artefact the tool can export or re-import, so the source of truth for a cover design would have to live somewhere else, and probably in a document rather than in the tool.

The fourth wrong case is a user who cannot get an Unsplash key, or who does not want their covers to depend on third party imagery. The search is the most useful part of the feature list for a non-designer, and it is also the part with a credential requirement and a network dependency.

## How it differs from a design tool

The comparison worth making is with Figma or Canva, and the difference in approach is what the tool optimises for.

A design tool is general. It gives you a canvas, layers, a shape tool, a colour picker and an export menu, and it expects you to know how to use them. The output is exactly what you made, which is the point, and the cost is that producing a good looking cover is a design task.

CoverView is specific. It knows the destination sizes, it knows that a developer cover usually has a title, a subtitle, a background image and a technology icon, and it has seven themes that already combine those elements into a composition. The user's job is to pick a theme, pick a font, search for a background and drop an icon on it. That is a much shorter path to a result that looks designed.

The second difference is the output. A design tool exports an arbitrary image. CoverView exports an image that is already the right shape for a blogging platform, which removes the crop step that turns a good cover into a bad thumbnail.

The third difference is the cost. A design tool is a large application with a large learning curve. This is a Create React App project with a handful of dependencies and one screen, and the whole thing is a React tree that a DOM to image library can serialise. The cost of using it is essentially zero, and the cost of using it is also that you cannot do anything it did not anticipate.

The fourth difference is where the background images come from. A design tool has a stock library you pay for, or you bring your own. CoverView uses Unsplash, which is free and searchable, and which is the right default for a blog cover, where a photograph is usually better than an abstract shape. The trade is the API key and the dependency on a third party service that can change its terms or its access model.

## Conclusion

CoverView fits a blogger who publishes a few posts a month on Hashnode or Dev and wants a consistent cover image without opening a design tool, and it fits a developer who wants a cover with their own project icon on it. It does not fit a publication that needs a template, an approval step and consistent branding across dozens of posts, since there is no template or batch mechanism described. Before adopting it, note that the project has no GitHub releases, the last push was on 2026-07-15, and that the Unsplash search needs an API key, so the feature is unavailable until one is configured.

## FAQ

### What is CoverView and what does it do?

It is an MIT licensed React application for creating blog cover images quickly, composed in the browser and exported as an image. It offers seven themes, multiple fonts, an Unsplash image search, over a hundred developer icons with a custom upload option, and cover sizes matched to the blogging platform such as Hashnode and Dev.

### How do I run CoverView locally?

Clone the repository with git clone https://github.com/rutikwankhade/CoverView.git, cd into the CoverView directory and run npm start. The project was bootstrapped with Create React App and the scripts are react-scripts start, react-scripts build and react-scripts test.

### What libraries does CoverView use to render and export?

dom-to-image at version 2.6.0 and react-component-export-image at 0.1.6, so the cover is a live DOM tree that is rasterised in the browser rather than rendered on a server. The styling is Tailwind CSS 3 with PostCSS and autoprefixer, and the controls use headlessui and react-select.

### Does CoverView need an API key?

The Unsplash integration uses the official unsplash-js client at version 7.0.20, and the application reads configuration from a .env file with dotenv. No key is included in the repository, so the image search needs a credential before it works, and the other features do not.

### Is CoverView available as a published package?

No. The package is marked private at version 0.1.0 with the name cover-img, the repository has no GitHub releases, and the application is deployed at coverview.vercel.app. The last push to master was on 2026-07-15, and the licence is MIT.

## Sources

- [Issues](https://github.com/rutikwankhade/CoverView/issues)
- [License: MIT](https://github.com/rutikwankhade/CoverView/blob/master/LICENSE)
- [Project website](https://coverview.vercel.app)
- [README](https://github.com/rutikwankhade/CoverView/blob/master/README.md)
- [rutikwankhade/CoverView on GitHub](https://github.com/rutikwankhade/CoverView)

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Hysen Labs editorial analysis, written from the project's own repository and release notes. Cite the canonical page: https://hysenlabs.com/projects/rutikwankhade-coverview