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NullPaste

Paste and share code online with syntax highlighting

Share code online with a clean, syntax-highlighted link in seconds. Supports 100+ languages, auto-detected. No account required.

NullPaste is a fast, anonymous tool for pasting and sharing code online. Get a clean, syntax-highlighted link in seconds — no account, no ads, no tracking.

  1. Open NullPaste

    Go to nullpaste.org. No account or sign-up — the code editor is ready immediately.

  2. Paste your code

    Drop in your code snippet. The editor supports up to 1 MB — enough for large files.

  3. Set the language (optional)

    NullPaste auto-detects the programming language for syntax highlighting. To override it, type the language name in the Language field (e.g. python, typescript, sql).

  4. Choose privacy options

    Add a password if the snippet is sensitive, or enable burn-after-read for a one-time share. Set an expiry so stale snippets don't linger.

  5. Share the highlighted link

    Click Create paste and copy the URL. The recipient sees fully syntax-highlighted code — no account, no plugin required.

Supported languages (auto-detected)

Syntax highlighting is powered by Shiki and covers 100+ languages. Common ones include:

  • JavaScript
  • TypeScript
  • Python
  • Rust
  • Go
  • Java
  • C / C++
  • C#
  • PHP
  • Ruby
  • Swift
  • Kotlin
  • SQL
  • Bash / Shell
  • YAML
  • JSON
  • HTML
  • CSS
  • Markdown
  • Dockerfile
  • Terraform
  • GraphQL
  • + 80 more

When to use NullPaste for code

  • Sharing a snippet in a support ticket, Slack, or Discord
  • Sending a config file or deployment script to a colleague
  • Posting a code review diff when your editor doesn't have a built-in share feature
  • Sharing a one-time debug output — use burn-after-read so it disappears after one view
  • Sharing sensitive credentials or keys — use end-to-end encryption so the server never sees the content

Related guides

Create a paste