Web & 認証

HTTP ヘッダーパーサー

生の HTTP ヘッダーを解析し、キーと値、CSP や HSTS などのセキュリティヘッダーを確認します。

無料で利用 登録不要 ブラウザ内で実行

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Parsed Headers (12)

HeaderValueNote
Content-Type application/json; charset=utf-8
Cache-Control public, max-age=3600, s-maxage=7200
X-Frame-Options DENY
Content-Security-Policy default-src 'self'; script-src 'self' 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-XSS-Protection 1; mode=block
Referrer-Policy strict-origin-when-cross-origin
Permissions-Policy camera=(), microphone=(), geolocation=()
Server nginx/1.24.0
Date Sat, 29 Mar 2026 12:00:00 GMT
ETag "abc123"

Security Headers Check

7/7 present
X-Frame-OptionsDENY
Content-Security-Policydefault-src 'self'; script-src 'self' 'unsafe-inline'
Strict-Transport-Securitymax-age=31536000; includeSubDomains; preload
X-Content-Type-Optionsnosniff
X-XSS-Protection1; mode=block
Referrer-Policystrict-origin-when-cross-origin
Permissions-Policycamera=(), microphone=(), geolocation=()

What is HTTP ヘッダーパーサー?

HTTP ヘッダーパーサー helps people convert, inspect, validate, or generate http, header, parser, request, response, content-type directly in the browser. It is designed for everyday work, coding, debugging, documentation, quality checks, and data preparation where clear input, reliable output, and privacy-first local processing matter.

HTTP ヘッダーパーサーの使い方

  1. 1対象の文字列、ヘッダー、トークン、設定、証明書などを入力欄へ貼り付けるか読み込みます。
  2. 2必要なモードや判定条件を選び、解析結果や警告を表示します。
  3. 3展開されたフィールド、検証結果、注意点を確認し、必要ならコピーして共有します。

Common HTTP ヘッダーパーサー use cases

Developer debugging

Use HTTP ヘッダーパーサー to quickly inspect generated output, API payloads, configuration values, or encoded data while building and debugging software.

Review before reuse

Validate or transform http, header, parser, request, response, content-type before adding the result to a project, document, form, message, or shared file.

Privacy-first browser processing

Run common http, header, parser, request, response, content-type tasks locally in the browser without sending sensitive development data to a backend service.

よくある質問

What problem does HTTP ヘッダーパーサー solve?

生の HTTP ヘッダーを解析し、キーと値、CSP や HSTS などのセキュリティヘッダーを確認します。

Do I need to install software to use HTTP ヘッダーパーサー?

No. The tool works in a modern web browser, so you can complete the task without installing a separate desktop application.

Does this tool upload my data?

The tool is designed to run in the browser whenever possible. Tools that require a backend or AI service are labeled separately.