YAML Comment Remover

Clean your YAML files by stripping out all comments. This free tool removes inline and full-line comments, leaving only the functional configuration data.

YAML Comment Remover

Remove comments from YAML files while preserving structure

Remove Inline CommentsRemove Comment LinesPreserve Empty Lines

YAML Input

YAML Without Comments

How YAML Comment Removal Works

YAML comment removal strips all comments (lines starting with # and inline # comments) while preserving the actual configuration data. The tool parses your YAML, identifies comment tokens, and regenerates the document without them.

This is different from simple text search-and-replace because it understands YAML syntax. It won't accidentally remove # characters inside quoted strings, which are literal values, not comments.

Here's the process:

YAML is tokenized to identify comments vs data
Comment tokens are filtered out
Remaining tokens are serialized back to YAML
Output is valid YAML without any comments

Example:

# Database config
database:
  host: localhost  # Default host
  port: 5432

Becomes:
database:
  host: localhost
  port: 5432

When You'd Actually Use This

Sharing configs publicly

Remove internal notes before sharing configuration files. Comments often contain sensitive information about infrastructure, credentials hints, or internal URLs.

Production deployment

Deploy clean configs without development comments. Production configurations should be minimal—comments add noise without value in deployed environments.

Reducing file size

Strip comments to reduce configuration file size. Heavily commented files can be significantly larger than necessary for runtime use.

Automated processing

Prepare YAML for tools that don't handle comments well. Some parsers or processors work better with comment-free YAML.

Security auditing

Review what information comments reveal. Strip comments before external audits to ensure no accidental information disclosure through inline notes.

Template generation

Create clean template files from configured examples. Remove specific comments to create generic templates for others to customize.

What to Know About Comment Removal

Comments are permanently removed. Once stripped, comments cannot be recovered. Always keep a backup of your original commented file for reference.

Quoted # characters are preserved. Hash symbols inside quoted strings (like URLs or regex patterns) are not removed—they're data, not comments.

Structure remains unchanged. Only comments are removed. All data values, nesting, and YAML structure stay exactly the same.

Formatting may change slightly. Without comments, some whitespace may be adjusted. The data is identical, but exact formatting might differ.

Pro tip: Use version control to track both commented (source) and uncommented (generated) versions. Generate comment-free YAML as a build step, not a manual process.

Common Questions

What counts as a YAML comment?

Comments start with # and continue to end of line. Full-line comments have # at the start. Inline comments have # after data. Both types are removed.

Will this break my YAML?

No. Comments are ignored by YAML parsers anyway. Removing them produces equivalent YAML that works identically in all applications.

Does it handle # in strings?

Yes. Hash symbols inside quoted strings are preserved. The tool understands YAML syntax and only removes actual comments, not literal # characters.

Can I remove only some comments?

This tool removes all comments. For selective removal, edit manually or use a more advanced tool that supports comment filtering rules.

Why remove comments at all?

Comments add size, can leak information, and aren't needed at runtime. Production configs benefit from being minimal and focused on actual configuration.

Is this tool secure?

Yes. Processing happens entirely in your browser. Your YAML is never uploaded to any server. All operations are local and private.

Can I process multiple files?

This tool processes one file at a time. For batch operations, use command-line tools or scripts that can iterate over multiple YAML files.

Other Free Tools

Search tools

YAML Comment Remover