Skip to main content
Developer Tools

robots.txt Generator

Create crawler allow and disallow rules plus sitemap references for a simple robots.txt file.

Before You Use
  • Security, encoding, token, and network outputs are workflow references. Do not enter passwords, private keys, production tokens, or real vulnerability details; verify against official security guidance.
  • File, image, and document tools run in the browser, but originals may still contain personal or sensitive information. Review both source files and outputs before sharing or submitting them.
ToolRuns in the browser
robots.txt Generator working example

Create crawler allow and disallow rules plus sitemap references for a simple robots.txt file.

Runs in your browser
Sample result
Example robots.txt Generator result
Developer result
- Cleaned or transformed value
- Validation note or error location
- Copy-ready output for the next tool
Next step: validate the cleaned value, copy it, or open a related converter
The interactive tool loads in this area when JavaScript is enabled.

How to use robots.txt Generator

Common uses include Draft robots.txt rules, Add sitemap references, Prepare crawl guidance before publishing.

  • Open robots.txt Generator and paste the code, data, URL, token, or file sample you want to check.
  • Choose the parsing, formatting, encoding, or validation option that matches the source format. Focus first on Draft robots.txt rules.
  • Run the tool and compare the output with your original snippet or technical requirement. Use the next pass to Prepare crawl guidance before publishing.
  • Copy the cleaned result, transformed value, or diagnostic note when it is ready for Add sitemap references.

Useful for

  • Draft robots.txt rules
  • Add sitemap references
  • Prepare crawl guidance before publishing

Common issues

The parser reports a syntax error.

Check quotes, commas, brackets, delimiter choice, and escaped characters before copying the result.

The copied value breaks in another tool.

Compare encoding, line endings, field order, and required format rules in the target service.

How to interpret the result

Use the output as a technical checkpoint and compare it with the original snippet before adding it to code, docs, or an API request.

Related workflow

Next path: robots.txt Generator -> security.txt Generator -> Semantic Version Compare. Keep the original input nearby so you can compare each result before using it elsewhere.

Privacy and review notes

This tool is designed to process inputs in the browser where the workflow allows it. For important work, compare the output with your original source and the rules of the service where you will use it. Use non-sensitive examples and review the output before sharing or submitting it.

Basis and limitations

Basis

  • The tool transforms or checks user-provided strings, tokens, hashes, encoded values, or network-format data in the browser.
  • Security-related pages are workflow references for development and learning, not production security validation.
  • The tool reads selected files, images, documents, or text in the browser for conversion, compression, merging, extraction, or preview.
  • File-style tools are designed for local-first preparation before sharing, upload, or publishing.

Limitations

  • Do not enter real passwords, private keys, production tokens, customer data, or sensitive vulnerability details.
  • A hash, token, encoding, or network result does not prove security strength or compromise status.
  • Even when processing happens in the browser, source files and outputs may contain personal data, location data, metadata, or copyrighted material.
  • Large or complex files can behave differently depending on browser memory and device performance.

Official check

  • For production security decisions, verify against organizational policy, official documentation, and professional security review.
  • Before sharing, submitting, publishing, or delivering files, review the source and output for sensitive data, permissions, and quality.

References and methodology

  • Official external source: OWASP Cheat Sheet Series — Practical implementation and verification guidance for web security.
  • Official external source: Korea Privacy Portal — Korean government guidance to check before storing or sharing personal data in files.

Review scope: We automatically check that the calculation basis and official source links are shown. No licensed medical, legal, or tax professional has reviewed this result individually, so confirm with the responsible agency or a professional before an important decision.