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Image Paste on GitHub

by HyoYoonNam
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Description

Upload pasted images to your GitHub repository and insert the raw CDN link automatically instead of saving them locally. - This plugin has not been manually reviewed by Obsidian staff.

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Latest Version

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Changelog

See all version on GitHub

README file from

Github

Image Paste on GitHub

Upload pasted (or dropped) images straight to your own GitHub repository and insert a raw.githubusercontent.com link instead of saving the file into your vault. Keep your Obsidian vault small while your screenshots live on GitHub's CDN.

Why

Unlike Notion, Obsidian stores every pasted image as a local file, so your vault keeps growing. This plugin intercepts the paste, commits the image to a GitHub repo you control, and embeds the public raw URL — nothing is written to your vault.

⚠️ Before you start

  • The target repository must be public. Raw GitHub links only render without a token for public repos, so every image you paste becomes publicly accessible. Do not paste sensitive screenshots.
  • Use a fine-grained personal access token scoped to a single repository with Contents: read and write, and give it an expiration date. Nothing else is needed, so a leaked token can only push to that one image repo.
  • The token is stored unencrypted in this vault's plugin data (data.json). Do not sync, commit, or share data.json.

Setup

Open Settings → Image Paste on GitHub. The settings are ordered so you choose the repository first, then create a token scoped to it:

  1. Fill in Owner (your username/org) and Repository.
  2. Create repository → Create: makes a new public repo (and fills in owner and repository for you). If your token is scoped too narrowly to create repos, it opens GitHub's new-repo page instead. Skip this if the repo already exists.
  3. Create a token → Open GitHub: generates a fine-grained PAT. Restrict it to that repository and grant Contents: read and write, then paste it into GitHub token.
  4. Optionally adjust Branch (default main) and Upload path (default assets).
  5. Click Test connection to confirm push access and public visibility.

When creating the token, restrict Repository access to your image repository and set Contents to Read and write (Metadata stays Read-only):

Fine-grained token settings with repository access limited to the image repo and Contents set to read and write

Usage

Paste or drag an image into any note. A ![uploading...]() placeholder appears, and once the upload finishes it is replaced with ![](https://raw.githubusercontent.com/...). If config is missing, Obsidian's default local-save behavior is left untouched.

Development

npm install
npm run dev    # watch build
npm run build  # type-check + production bundle

Copy main.js, manifest.json, and styles.css into <vault>/.obsidian/plugins/image-paste-on-github/ to test.

Security

Obsidian has no secure credential storage, so the token is kept unencrypted in data.json — the same as other token-based plugins. The plugin only sends the token to GitHub in the Authorization header; it is never written to your notes, logged, or placed in URLs. The practical risk is data.json leaking through sync, backups, or sharing, so the main protection is keeping the token narrowly scoped:

  • Scope it to a single public repository with Contents: read and write only.
  • Set an expiration date and rotate it.
  • Never sync, commit, or share data.json.

With this setup, a leaked token can only push images to that one repo — it cannot touch the rest of your GitHub account.

License

MIT

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