What Is BugCapturer? A Free Visual Feedback Tool for the Web

Why You Need BugCapturer

How Painful Traditional Bug Feedback Is

You find a website issue and want to report it. The traditional workflow goes like this:
  • Press Print Screen to capture
  • Open a paint tool and paste
  • Circle the problem area with a brush (ugly, imprecise)
  • Open your email client
  • Manually type the URL
  • Manually check and type the browser version
  • Try to open DevTools and copy error messages (if you even know how)
  • Write a description
  • Attach the screenshot
  • Send
  • Total time: 5-15 minutes. And you'll probably miss critical information, leading to back-and-forth questions from developers.

    How BugCapturer Does It

  • Click the extension icon
  • Select the problem area
  • Add arrows/text annotations
  • Write a one-line description
  • Click "Send Email"
  • Total time: 30 seconds. URL, browser info, console errors, failed network requests — all collected automatically.

    Core Features

    Area Screenshot

    After clicking the extension icon, simply drag on the webpage to select any area. No need to capture the full screen and then crop — just select exactly what you want to report.
    • 8-directional resize handles for precise selection
    • Auto-dimming outside the selection to highlight the focus
    • Quick launch via right-click context menu ("Screenshot Feedback")

    5 Annotation Tools

    After taking a screenshot, the annotation editor provides 5 tools:
    Tool Purpose Example
    Arrow Point to a specific problem element Red arrow pointing to overlapping buttons
    Rectangle Highlight a problem area Rectangle around a misaligned layout block
    Text Add text notes Annotate "Text is truncated here"
    Brush Freehand drawing Circle, underline, or checkmark
    Mosaic Blur sensitive information Redact usernames, emails, API keys
    After annotation, the screenshot is automatically copied to the clipboard. You can also paste it directly into an email with Ctrl+V.

    Automatic Technical Metadata Collection

    When submitting feedback, BugCapturer automatically collects the following information — no manual input needed:
    Information Why It Matters
    Page URL Precisely locate the problem page
    Browser name and version Diagnose browser compatibility issues
    Operating system Diagnose OS-specific issues
    Screen resolution Check layout across different resolutions
    Viewport size Identify responsive layout issues
    Device Pixel Ratio (DPR) Detect Retina/HiDPI display issues
    Timestamp Record when the issue occurred
    Manually filling in this information takes at least 2-3 minutes and is error-prone. BugCapturer does it automatically in one click.

    Automatic Console Error Collection

    When a webpage has issues, the browser console almost always shows error messages. But most people don't know how to open the console, let alone copy errors from it. BugCapturer V1.0.1 adds automatic console error collection:
    • Only collects error level entries (filters out info/warn noise)
    • Includes error message + source location (filename:line:column)
    • Collects up to 10 most recent errors
    • Only collects at submission time, no background monitoring
    • Users can uncheck the option for full control
    This means even the least technical users can submit bug reports with professional diagnostic information.

    Automatic Failed Network Request Collection

    Many webpage issues aren't caused by frontend rendering — they're caused by failed API calls. The page looks broken because the data never arrived. BugCapturer V1.0.1 automatically collects failed network requests:
    • Only collects requests with status code ≥ 400 (actual failures)
    • Includes URL, HTTP method, status code, and status text
    • Collects up to 5 most recent failures
    • Sensitive parameters in URLs are automatically sanitized (token, key, secret, password replaced with *)
    • Only collects at submission time, no background monitoring

    One-Click Email Sending

    After filling in the description, click "Send Email":
    • Automatically launches the system default email client
    • Email subject is auto-generated (includes feedback type and page title)
    • Email body includes: description, technical metadata, console errors, network errors
    • Screenshot is automatically copied to clipboard — just Ctrl+V to paste as attachment
    • Everything is pre-filled — you just click "Send"

    7-Language Support

    BugCapturer supports 7 languages:
    • 中文 (Simplified Chinese)
    • English
    • Deutsch
    • Français
    • Español
    • Português (Brasil)
    • 日本語
    The extension interface language automatically follows your browser language setting, and can also be manually switched.

    Privacy by Design: Zero Data Upload

    BugCapturer has adhered to one principle since its inception: Your data belongs only to you.
    Principle Implementation
    Zero data upload No data is uploaded to any server. Screenshots, annotations, and technical info all stay local
    No registration No account creation, no email verification — install and use
    Minimal permissions Only requests necessary browser permissions — no browsing history, no tab content access
    One-time collection Console errors and network requests are only collected at submission time, no background monitoring
    User-controlled Technical diagnostic info is enabled by default but can be unchecked with one click
    URL sanitization Sensitive parameters in network request URLs are automatically replaced with *
    Direct email Reports are sent through your own email client, never through any third party
    Unlike competitors like Marker.io and Usersnap, BugCapturer doesn't operate any cloud service or store any user data, so there's zero risk of data breaches. For enterprises with GDPR compliance requirements, this is the safest choice.

    Who Is BugCapturer For

    QA / Test Engineers

    The core user group. Submitting dozens of bug reports daily, BugCapturer compresses each report from 5-15 minutes to 30-60 seconds, while automatically attaching technical diagnostic information to reduce "cannot reproduce" back-and-forth.

    Frontend Developers

    When debugging cross-browser compatibility issues, you need to quickly document how things look different across browsers. BugCapturer automatically collects browser version, resolution, and viewport info — saving you from manual documentation.

    Product Managers

    When collecting user feedback, users often can't clearly describe the problem. Have them install BugCapturer — they can precisely "show you" where the issue is, and the attached technical info saves you from follow-up questions.

    UI/UX Designers

    During visual reviews, you need to annotate differences between design mockups and the actual page. BugCapturer's 5 annotation tools are precise enough to mark any visual issue.

    Everyday Internet Users

    Anyone who finds a website issue and wants to report it. No technical background needed, no DevTools required — submit a professional report in 30 seconds.

    BugCapturer vs Other Approaches

    Dimension Manual Screenshot+Email Phone Photo via Chat Professional Feedback Platform BugCapturer
    Time 5-15 min 2 min 3-5 min 30 sec
    Annotation None/weak None Strong 5 tools
    Technical info Manual None Auto-collected Auto-collected
    Console errors Need DevTools None Partial Auto-collected
    Network errors Need DevTools None Partial Auto-collected
    Privacy Varies Low Data in cloud Zero upload
    Price Free Free Paid Free
    Registration None None Required No registration

    Installation and Usage

    Installation

  • Visit the Chrome Web Store
  • Click "Add to Chrome"
  • Confirm installation
  • Installation time: about 5 seconds.

    Usage

  • Find a website issue while browsing
  • Click the BugCapturer icon in the browser toolbar (or right-click → "Screenshot Feedback")
  • Drag to select the problem area
  • Annotate with arrows, text, etc.
  • Select feedback type (Bug / Suggestion / Question)
  • Write a description (one sentence is enough)
  • Check "Include technical diagnostic info" (checked by default)
  • Enter the recipient's email
  • Click "Send Email"
  • Paste the screenshot in the email client (Ctrl+V), then click Send
  • Done! A complete report with screenshot, annotations, technical metadata, console errors, and network errors has been sent.

    FAQ

    Is BugCapturer free?

    Completely free. No paid version, no feature limitations, no trial period.

    Is my data safe?

    BugCapturer doesn't upload any data to any server. All information is processed locally in your browser and sent through your own email client. We don't even have a server to store your data.

    Do I need to create an account?

    No. Install and use — zero barriers.

    Does it support Firefox / Safari?

    Currently supports Chrome and Edge (Chromium-based browsers). Firefox and Safari versions are in the planning stage.

    Are screenshots uploaded to the cloud?

    No. Screenshots are saved locally in your browser and pasted into emails via the clipboard. They never pass through any third-party server.

    Does it constantly monitor console errors?

    No. BugCapturer only collects current console errors at the moment you click "Send Email" — no background monitoring. You can also uncheck "Include technical diagnostic info" to completely disable this feature.

    What languages are supported?

    Chinese, English, German, French, Spanish, Portuguese (Brazil), and Japanese — 7 languages total. The interface language automatically follows your browser setting.

    Ready to Get Started?

    BugCapturer is permanently free, requires no registration, uploads zero data, and supports 7 languages. From discovering an issue to sending a report — just 30 seconds. Add BugCapturer to Chrome — Free

    Stop describing bugs,
    start showing them.
    Free forever, no signup. Install in seconds, send your first bug report today.
    Add to Chrome — Free