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Need capctha solver in .net

  • Posted:
  • Proposals: 28
  • Remote
  • #4502947
  • OPPORTUNITY
  • Awarded
İsmail D.Mohit K.Adnan M.Raj S.Harminder K. + 23 others have already sent a proposal.
  • 5

Description

Experience Level: Expert
Seeking an experienced .NET developer to build a robust CAPTCHA solver service. The solution must accept CAPTCHA images encoded in Base64, perform accurate recognition with at least 95% success rate, and expose results through a local HTTP API. Deliverables include well-documented, maintainable .NET code, automated tests demonstrating accuracy, and deployment instructions. Emphasis on reliability, performance, and secure handling of image data.

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Clarification Board Ask a Question

  • VCONN P.

    Hi Lolum,

    To ensure the proposal is perfectly tailored to your environment, I would love to clarify a few details:

    1. CAPTCHA Style: Are these standard alphanumeric images (e.g., 4-6 static characters), or do they include heavy background noise, lines, or wave distortions?

    2. Dataset Availability: Do you have a small labeled dataset (e.g., 100–500 pre-solved sample images) that we can use to train the logic and run the automated accuracy tests?

    3. Hosting Preference: Do you plan to run this locally as a Docker container, a standard Windows Service, or directly via IIS?

    Looking forward to your response.

    Best Regards.
    VConn Pvt Ltd

  • Bhargav K.

    Which CAPTCHA type do you need solved? Can you provide sample images?

  • Exult Cyber Solution Pvt. Ltd

    Hello, Lolum, thank you so much for providing detailed information about your job.

    Sunil here from ECS Software

    I have questions before final scope confirmation:

    1. Are these CAPTCHA images generated by your own system or an authorized internal dataset?
    2. Can you provide a labeled sample dataset for accuracy testing?
    3. What average response time is required per image?
    4. Should the local HTTP API run as a Windows service, Docker container, or standard .NET web service?

    Im waiting for your answer

    Best Regards,
    Sunil
    Expert-Vetted Freelancer