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!!! Please bid only with real offers. Underbidding and adjusting to your price later is not well tolerated! I need simple WINDOWS app, that does the following: - read pictures (.png and other main formats) - Encrypt .txt based on the pictures - All pictures/.txt follow same pattern, only one picture/.txt type - Simple UI with 2 import fields(.txt/.zip and .png) and one GO/Finish button. - care only about end product, technologies doesnt matter - Will provide big sample for testing
Project ID: 40585711
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Keen - new on Freelancer but not new to building (last client left a 5.0-star review; live proof: [login to view URL]). This is a clean, well-bounded Windows app - exactly my kind of quick, precise job. I'd build a lightweight Windows app (C#/.NET) with the simple UI you described: two import fields (.txt/.zip and .png) and one GO button, then it processes the pair and outputs the result. I'll match your exact pattern from the big sample you provide - end product first, byte-for-byte to your reference. One question so I nail it: is the picture used as the KEY to encrypt the .txt (image-derived cipher), or is the text hidden INSIDE the picture (steganography)? Once I see the sample I'll confirm the exact scheme and match it precisely - no underbidding, this is a real $30 offer.
$30 USD in 2 days
0.0
0.0
78 freelancers are bidding on average $220 USD for this job

Your requirement is refreshingly straightforward: a lightweight Windows application that reliably encrypts text based on a supplied image, without unnecessary features or technology overhead. I can build a clean desktop application with two input fields (TXT/ZIP and image), a single action button, and support for common image formats like PNG, JPG, and BMP. The application will validate the inputs, process the encryption logic based on the image pattern you provide, and generate the expected output while keeping the interface simple and easy to use. Once you share the sample files, I'll first analyze the image and text structure to fully understand the encryption pattern before implementing the solution. That ensures the final application works consistently with your complete dataset rather than just the sample. One question before we begin: is the encryption algorithm already defined by the image pattern, or should the application reproduce the behavior by reverse-engineering the samples you'll provide?
$250 USD in 7 days
8.6
8.6

got the scope and am pretty much good to get started on this. I can build a lightweight Windows application with a simple UI to import the image and TXT/ZIP, process the encryption exactly as required, and deliver a reliable standalone executable after validating it against your sample dataset. Please ping me to get started and provide you outstanding results. Thanks!!
$800 USD in 7 days
7.0
7.0

Hello there, I will build your Windows app with two import fields (one for .txt/.zip, one for .png) and a single GO button that reads the image data and encrypts the text file based on it. You will get a working .exe, ready to run on any modern Windows machine. I will test thoroughly against your big sample set before delivering, so the output is verified on real data. Questions: 1) What encryption logic ties the picture to the text (pixel values as key, steganography, or something else)? 2) Should the output be a new .txt or a different format? Share the sample files and I will prototype the core encryption within a day or two. Looking forward to potentially working together. Thanks, Kamran
$90 USD in 5 days
6.7
6.7

I will create a straightforward Windows app that reads images and encrypts text files based on them. The focus will be on delivering a user-friendly interface that meets your specific needs. Your project emphasizes the need for a simple UI with clear import fields and a finish button. I understand the importance of a seamless end product, as you want everything to follow a consistent pattern. With my expertise in app development and a strong history of delivering quality projects, we have 20+ 5-star reviews on similar projects! Regards, InterconnectBPO
$150 USD in 7 days
6.8
6.8

With over 6 years of experience as a Senior Full Stack Developer, I am confident that I have the skills and expertise needed to complete your Picture-Based Text Encryption Windows App project. My proficiency in C# and Java programming languages will enable me to effectively read and manipulate your picture and text files in various formats. I have extensive knowledge in software development and engineering, having developed numerous desktop applications with graphical user interfaces in the past. I guarantee the utmost quality and timely delivery of all my projects. Your app will be efficiently designed with a simple UI featuring import fields for .txt/.zip and .png files along with a GO/Finish button, thus ensuring user-friendliness. As a professional, well-versed in algorithm manipulation, you can trust me to handle your encryption process flawlessly. Moreover, I am adaptable with any technology necessary to serve you best. By hiring me, you are entrusting the success of your project in capable hands. My track record speaks of client satisfaction, which is what I prioritize above all else. I value clear communication and ensure that you'll receive regular updates on the progress of your project. Don't hesitate to reach out; let's get your Picture-Based Text Encryption Windows App up and running efficiently!
$350 USD in 2 days
6.2
6.2

Hi. Using C# and .NET, I can build this lightweight Windows application and deliver it as a simple standalone executable. I can start immediately, test it against your large sample set, and provide a fixed final price before work begins—no later price increase. I am very familiar with image processing, text-file encryption, ZIP handling, Windows desktop applications, and portable deployment. I have 9+ years of software development experience. I wish to work for you. Thanks for attention.
$200 USD in 3 days
6.3
6.3

✅Hi, Client. I am a senior Python/C# developer✅ I have successfully completed several projects similar like yours. I am interested in your project. I would like to work for you in the long term. Please send a message to discuss this project. I look forward to hearing from you. My main goal is to gain my client's satisfaction by completing a job with 100% accuracy I am a senior Python/C# developer with over 10 years of rich experience in C#/C/C++/QT/Java/Python/tesseract OCR/OpenCV/ML Programming, API integration/Database management. So, I can complete it within your timeline. Best regards! From Hien ...
$200 USD in 2 days
5.7
5.7

Hello Sir as i am computer engineer and programmer with master degree in cryptography and encryption so i can surely help you doing that , so please let me help you , i have big experience in similar projects , thanks and regards
$150 USD in 7 days
5.5
5.5

Hello, I can develop this Windows desktop application with a simple, user-friendly interface exactly as requested. The application will: * Import PNG and other common image formats. * Import TXT or ZIP files. * Process and encrypt the TXT data based on the provided image pattern. * Include a clean UI with two file selectors (Image + TXT/ZIP) and a GO button. * Handle large sample files for testing and ensure reliable performance. * Deliver the complete source code and a standalone Windows executable. I focus on delivering the required functionality rather than unnecessary complexity, and I’ll thoroughly test the application using your sample data before delivery. Best regards, Muhammad Rizwan LA
$140 USD in 2 days
5.2
5.2

Hello There! I’m Md. Toriqul Islam, and I’m excited to partner with you. I can dive into your project immediately. I have over 10 years of experience developing custom Windows desktop applications, file processing tools, and data encryption solutions. I understand you need a lightweight Windows application that imports image and text/ZIP files, encrypts the TXT data based on the provided image pattern, and generates the required output through a simple interface with two input fields and a single action button. I can build a fast, reliable solution that works with your sample files and is easy to use. Skilled in: C#, .NET, WinForms/WPF, File Processing, Encryption, Image Processing, Desktop Application Development. Fixed Price: I can provide a firm quote after reviewing your sample files and encryption requirements. I’m ready to start immediately and would be happy to discuss this project. Please share the sample images and TXT files so I can evaluate the workflow before finalizing the quotation. Looking forward to hearing from you. Best regards, Md. Toriqul Islam
$75 USD in 3 days
5.1
5.1

Hello There!!! ★★★★ (Simple Windows app for picture-based text encryption with clean UI) ★★★★ I read your project carefully and understand you need a lightweight Windows application that imports image and text/ZIP files, encrypts the text based on the image pattern, and provides a simple, reliable interface. The focus is on a stable end product rather than a specific technology. ⚜ Windows Desktop App ⚜ Image Processing ⚜ Text Encryption ⚜ Clean UI Design ⚜ ZIP & PNG Support ⚜ Testing with Sample Data ⚜ Well-Structured Code I have experience building desktop applications with C# and Java, including file handling, encryption logic, and user-friendly interfaces. I'll develop a fast, dependable solution, test it thoroughly with your sample files, and deliver clean, maintainable code on time. I'd be happy to discuss the encryption workflow and get started soon. Warm Regards, Farhin B.
$110 USD in 10 days
5.0
5.0

Having a solid background in software development, particularly in web and mobile app development, I believe I can effectively meet your requirements for a picture-based text encryption Windows app. I am proficient in various programming languages including Java, PHP, .NET, HTML/HTML5/CSS which allows me to navigate through different technologies seamlessly. Throughout my 9+ year tenure in the field, I've developed a firm understanding of how to read and manipulate different file formats such as .png and .txt. This experience will undoubtedly come handy as your project necessitates precise reading of specific pictorial and textual patterns. A solid proof of my competency is the fact that I've grasped profound knowledge encryption. In addition to robust privacy protocols, my company also provide added benefits like affordable hosting and domain options for your convenient long-term retention of your application. We also provide free after delivery support for 3 months to ensure the stability and efficiency of our deliverables. Let us turn your ideas into reality while providing you with a budget-friendly solution!
$140 USD in 7 days
4.4
4.4

With your project involving the encryption of .txt files based on pictures, my skill in C# programming and image processing definitely makes me the best fit for this job. My expertise in these areas allows me to understand the intricacies of file encryption while ensuring compatibility across various image formats, giving you a reliable and efficient final product. Additionally, my proficiency in Java will enable me to complement the Windows app environment perfectly. I have extensive experience in designing simple yet intuitive user interfaces, making complex functionalities as straightforward as possible. Rest assured, your app will have two well-implemented import fields (for .txt and .png files) and a clear GO/Finish button. Being detail-oriented, I strictly adhere to patterns and guidelines given; this project's uniformity will be maintained throughout. Lastly, I’m not just about delivering code; I prioritize delivering value by ensuring the end product's usability and functioning. It’s not just your main formats that matter, but how they function too – this is what separates a good developer from a great one. With my combination of skill, experience, and commitment to excellence, choosing me for this project would result in an app that meets all your requirements effectively and efficiently.
$140 USD in 2 days
4.2
4.2

A focused Windows app that encrypts .txt using an uploaded picture set, built around your required single pattern (one picture type paired with one .txt format). The UI will be straightforward: two import fields (.png / image formats and .txt or .zip) plus a single GO/Finish action. It will support common image formats, process batches consistently, and generate the encrypted output exactly as needed from the provided large sample for testing. I’ll deliver a complete end product with clean workflow, reliable file handling, and repeatable results so you can validate encryption behavior quickly on your sample.
$30 USD in 3 days
3.7
3.7

Hi, I reviewed your project: Picture-Based Text Encryption Windows App. I can help build or package a desktop application with Windows/macOS support, installer setup, branding, API integration, update flow, and code-signing guidance where required. I have experience with web-connected desktop apps, backend APIs, Laravel/Node.js, deployment, and production workflows. Please message me with your target OS, current codebase status, and expected features. Portfolio: https://www.freelancer.com/u/irfanui Regards, Mohammad 4th Dimension Partners
$75 USD in 7 days
3.5
3.5

Hello, I can create a simple Windows app for picture-based text Encryption, with a clean UI / User Interface and the exact import flow you described. My C# Programming work has included small desktop tools that read files, process ZIP or TXT inputs, and keep the user flow simple. I will make the app read PNG and other main image formats, accept the matching .txt or .zip file, then run the picture-based encryption from one GO button. I will test it against your large sample and keep the offer real, with no price gymnastics later. Best regards, Teo
$200 USD in 2 days
3.6
3.6

Hello, I recently completed a similar project, **Windows File Encryption Utility**, creating a lightweight desktop application with image processing, file handling, encryption logic, and a simple user interface. **Tech Stack:** C#, .NET, Windows Forms/WPF, File I/O, Cryptography Libraries. I can build your Windows application with a simple workflow: import the TXT/ZIP file, import the PNG/image files, process the defined pattern, encrypt the text data based on the images, and generate the final output. The UI will be minimal with two import fields and one GO/Finish button as requested. I will focus on the final working product, reliability, and easy usage rather than unnecessary complexity. I can test the application using your provided large sample files, handle common image formats, and ensure the encryption process works consistently with your fixed file pattern. The delivery will include the complete Windows app, source code, testing with your samples, and basic instructions for running the application. I can start immediately and complete it within a few days after receiving the sample data and encryption rules. Thank you. Tran Viet
$100 USD in 7 days
3.6
3.6

Hello, I’m glad to have found your project, it aligns perfectly with my skills and professional interests. I have experience developing Windows desktop applications with C# and Java, including file processing, encryption, image handling, and clean user interfaces. I can build a lightweight application that imports your image and text or ZIP files, performs the required encryption based on the image pattern, and generates the final output through a simple interface with minimal user interaction. I'll ensure the application is reliable, easy to use, and thoroughly tested against the sample data you provide, with clean, well documented code for future maintenance. I always focus on performance, accuracy, and clear communication to make sure the application behaves exactly as expected. I’d like to go over a few points: Can you explain how the image is used in the encryption process, or will the sample files fully define the algorithm and expected output? Should the application support batch processing of multiple files in the future, or is single file processing sufficient for this version? I’m confident I can make this project a success. Thank you for considering my proposal, and I hope we can collaborate soon.
$130 USD in 7 days
3.5
3.5

Hi, Thanks for sharing your project. It aligns well with work I’ve successfully completed for other clients, and I’m confident I can deliver a high-quality solution tailored to your requirements. Before providing an accurate timeline, scope, and budget, I’d like to clarify a few key details to ensure we're aligned from the start. Freelancer’s proposal character limit makes it difficult to cover everything thoroughly here. If you're available, let's connect via chat. I can walk you through similar projects I've completed, discuss the best approach for your specific requirements, and answer any questions you may have. Once I understand your expectations, I'll provide a clear execution plan with realistic timelines and pricing. I’m ready to get started as soon as we finalize the details and look forward to working with you. Best regards, Mayank Sahu
$140 USD in 7 days
3.1
3.1

Hi, I can complete this efficiently and on time. To start, it's clear that your goal is to develop a Windows app for picture-based text encryption. This project holds significant value as it aims to enhance data security through a unique encryption method. The end product will benefit users seeking a straightforward solution for encrypting text based on specific images, ensuring data confidentiality. One potential risk to consider is ensuring seamless integration between the picture and text encryption processes to maintain consistency and accuracy. Additionally, the user interface design should prioritize simplicity and user-friendliness to enhance the overall experience. In terms of a practical direction, focusing on a user-friendly interface with clear import fields for both text and images, along with a single action button for encryption, would streamline the encryption process. Emphasizing the end product's functionality over specific technologies will be key to delivering a successful solution. I have a few technical questions and some recommendations that I believe could improve the overall solution. I'd appreciate it if you could send me a message through chat so we can discuss them in more detail. Cheers, Yuan.C
$120 USD in 1 day
2.8
2.8

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