
Closed
Posted
Paid on delivery
I need a small program that lets me build clear, professional cost estimates for my window-replacement customers. The flow I have in mind is simple: I open the app, choose a window style from a dropdown that shows thumbnail images, enter the size and quantity etc. Window styles should not be limited to only single-hung, double-hung, or casement; I want the structure flexible so I can upload or swap in any window image/category in the future without code changes. A clean, modern interface is important because I’ll be sharing my screen with homeowners while we talk [login to view URL] to use platform Core deliverables • A working desktop or browser-based application (whichever you’re strongest at) • Dropdown gallery of window images with easy add/replace functionality • Real-time cost calculation logic that separates product price from optional installation labour • Editable price tables so I can update material and labour rates myself • A printable/email-ready summary I can hand to the customer Acceptance criteria 1. Selecting a window image instantly pulls in the correct base cost. 2. Toggling “include installation” refreshes the total while preserving the original product-only number. 3. Adding a new window style through an admin screen (or simple folder drop) automatically shows it in the dropdown. 4. Final estimate exports cleanly to PDF. If you already have experience with lightweight pricing tools—perhaps built with Excel-VBA, Python (Tkinter/Flask), or JavaScript frameworks—that’s a plus, but I’m open to your preferred stack so long as updates are straightforward for a non-coder.
Project ID: 40575879
219 proposals
Remote project
Active 1 min ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
219 freelancers are bidding on average $150 CAD for this job

⭐⭐⭐⭐⭐ Create Professional Cost Estimates for Window Replacement Customers ❇️ Hi My Friend, hope you're doing well. I’ve reviewed your project requirements and see you are looking for a tool to create cost estimates for window replacements. You don't need to look any further; Zohaib is here to help you! My team has successfully completed over 50 similar projects for cost estimation tools. I will ensure your application has a clean, user-friendly interface and the necessary features to meet your needs. ➡️ Why Me? I can easily build your cost estimation tool as I have 5 years of experience in application development, focusing on user-friendly interfaces, real-time calculations, and data management. My expertise includes Python, JavaScript, and creating dynamic applications. Additionally, I have a strong grip on integrating flexible structures that allow for easy updates without code changes. ➡️ Let's have a quick chat to discuss your project in detail, and I can show you samples of my previous work. I look forward to discussing this with you! ➡️ Skills & Experience: ✅ Application Development ✅ User Interface Design ✅ Real-Time Calculations ✅ Data Management ✅ PDF Generation ✅ Dropdown Functionality ✅ Cost Estimation Tools ✅ Python (Tkinter/Flask) ✅ JavaScript Frameworks ✅ Excel VBA ✅ Client Communication ✅ Project Management Waiting for your response! Best Regards, Zohaib
$150 CAD in 2 days
8.0
8.0

Hi, ★★★ Python / JavaScript Expert ★★★ I can create a user-friendly application for generating cost estimates for your window-replacement customers. I will start by designing a clean interface that allows you to select window styles from a dropdown with thumbnail images. The application will include real-time cost calculation logic to separate product prices from installation costs. I will ensure that you can easily update material and labor rates through editable price tables. For the functionality of adding new window styles, I will implement an admin screen or a simple folder drop feature to make it easy for you to manage the images without needing to change any code. The final estimates will be exportable to PDF for easy sharing with your customers. Happy to discuss the details.
$100 CAD in 5 days
7.7
7.7

Hi, this is a straightforward estimating tool on the surface, but the real engineering risk is keeping pricing rules editable without letting the UI, image catalog, and exported quote drift out of sync. I’ve built several production systems like this where the value is in a clean operator workflow, not just the form itself. The closest match is Squarespace Checkout Streamlining for Meal Service -- 2, where I built a guided selection flow with live validation and business-rule enforcement. Custom Feature Development & Integration is also relevant because it involved extending UI, data structures, and maintainable handoff paths for the client. I usually structure this as separate layers for catalog data, pricing logic, and estimate rendering. That keeps window images/categories swappable without code changes, while preserving reliable real-time recalculation for product-only versus product-plus-installation totals. For this kind of tool, reliability comes from explicit pricing tables, versioned estimate math, and deterministic PDF generation rather than embedding logic inside the UI. I’d lean browser-based unless you specifically need offline desktop use, since admin edits and future updates stay simpler for a non-coder. If useful, I can sketch the data model for window styles, editable rate tables, and the estimate calculation flow before build starts. Thanks, Hercules
$140 CAD in 7 days
7.5
7.5

Hello, As an experienced web developer and leader at Our Software, I am confident that we can provide you with a tailor-made solution for your Window Estimate Dropdown App. We specialize in developing clean, modern user interfaces that will impress your customers without sacrificing functionality. Our frontend development skills, particularly in JavaScript, allow us to create dynamic dropdown galleries with ease. Moreover, we have a long history of creating user-friendly platforms that even non-coders can easily navigate and update on their own. This would make it simple for you to upload or swap in window images/categories, as you mentioned being important. Additionally, our expertise extends into building tools with real-time cost calculation logic, editable price tables, and export functionalities - everything you need to efficiently generate clear estimates as per your vision. At Our Software, we're committed to transforming clients' dreams into a reality. With this project, we see the opportunity to merge innovative technology and excellent customer service. By choosing us for your Window Estimate Dropdown App, you're not only getting a highly-skilled team but also dedicated professionals who believe in the "WOW" factor. Let's together take your window replacement business to new heights with our tailored solution. Thanks!
$130 CAD in 2 days
7.7
7.7

Hi, I can build a flexible pricing tool that stays easy to update later by keeping window images/styles editable without code changes and separating product cost from installation so totals remain clear during homeowner walkthroughs. I’d approach the first version with a simple, clean flow: select a style from thumbnail images, enter size and quantity, and see the estimate update instantly. I’d structure the pricing and style data carefully so future changes are safe for a non-coder. The interface will be modern, and the final quote will be clean for print/PDF use. Initial scope: - Style gallery with thumbnails - Editable product and labor rates - Live estimate calculator - Installation toggle with separate totals - PDF-ready summary output I have experience building practical, user-friendly tools with clear data structures and professional presentation. If needed, I can also discuss the best setup for adding new styles, either through an admin screen or a simple folder-based upload workflow. I can review this with you in Freelancer chat or a video call between 11 AM and 8 PM IST. If you’d like, I can get started right away.
$147 CAD in 5 days
7.7
7.7

I HAVE DEVELOPED SIMILAR ESTIMATION AND PRICING TOOLS BEFORE, AND I CAN SHOW EXAMPLES DURING OUR DISCUSSION I can build a modern, easy-to-use estimating application that generates accurate window replacement quotes in real time while remaining simple to update without coding. WORKFLOW: • Design a clean, user-friendly interface with a window style gallery and image thumbnails. • Build dynamic pricing with editable material and labor rate tables. • Implement real-time calculations with optional installation costs. • Add an admin section to manage window categories, images, and pricing without code changes. • Generate professional PDF estimates ready for printing or emailing. USER ROLES: • ADMIN: Add/edit window styles, upload images, update pricing tables, labor rates, and manage estimate templates. • USER: Select window styles, enter dimensions and quantity, toggle installation, view live pricing, and export estimates to PDF. I can develop this as either a desktop application or a browser-based solution, depending on your preference. The application will be fast, scalable, and designed so future updates—such as adding new window styles or adjusting prices—are simple and require no technical knowledge. I look forward to discussing your requirements and sharing similar pricing tool examples. THANKS CHRISTINA
$200 CAD in 7 days
7.4
7.4

Hi, I'm a senior developer with 20+ years of experience, Top Rated on Freelancer.com with 1,500+ completed projects and a 5-star record, and I've built similar pricing tools before. I'll build a desktop Electron app with a clean React frontend so you can share it easily on screen. The window dropdown will pull images from a local folder so you can add or swap styles without touching code—just drop new images in and they appear automatically. I'll separate material costs from installation in editable tables you can update yourself, and the total will refresh in real time when toggling installation or quantity. The printed estimate will match the screen exactly and export cleanly to PDF. I'll include a simple admin screen if you prefer not to edit files directly. I can start immediately.
$200 CAD in 2 days
7.1
7.1

You want a clean estimate tool for window replacements: pick a window style from a thumbnail dropdown, enter size and quantity, and get an instant, professional cost breakdown you can screen-share with homeowners—with the flexibility to add or swap window images and categories yourself later, no code changes. I'd build this as a browser-based app (React) so it opens on any laptop or tablet you screen-share from, with nothing to install. Selecting a window thumbnail instantly pulls its base cost. An "include installation" toggle recalculates the total while keeping the product-only figure visible side by side, so the homeowner sees exactly what labour adds. All rates—material and labour—live in an editable price table you control from a simple admin screen, no developer needed. Adding a new window style is a matter of uploading an image and setting its price in that same admin panel; it appears in the dropdown automatically. The final estimate exports to a clean, branded PDF ready to print or email. I'll store your styles and rates so everything persists between sessions. I've built 240+ apps including pricing and admin dashboards for non-technical owners, so the editable price tables and easy image management are exactly the kind of self-service tooling I design for. Muhammad Saad
$30 CAD in 5 days
7.3
7.3

With over a decade of experience in handling challenging projects, I have a proven track record in Full Stack Development, WordPress Theme and Plugin Development, Mobile App Design and Development, UX/UI, and Brand Identity. I have successfully delivered thousands of projects to organizations in various tiers, providing top-notch support and high-quality work. Regarding your project of creating a program for professional cost estimates for window-replacement customers, I would need more details on the specific window styles you offer or plan to offer in the future. This information will help me tailor the solution to your exact needs for easy updating and managing the program. I can develop a custom desktop or browser-based application with a user-friendly interface featuring a dropdown window image gallery for easy addition or replacement of styles. The program will have real-time cost calculation logic separating product prices from optional installation labor, allowing for editable price tables to update rates seamlessly. The program will enable selecting a window image to retrieve the base cost, dynamically updating the total cost when toggling installation options, simplifying the process of adding new styles, and providing an option to export the final estimate to PDF for customer sharing. While I am proficient in Excel-VBA, Python (Tkinter/Flask), and JavaScript frameworks, I am open to using your preferred stack for ease of use and seamless updates even for non-coders. Let's work closely together to create a robust, user-friendly cost estimation tool for your window-replacement business.
$225 CAD in 5 days
7.2
7.2

Excellent experience with similar pricing tools. >>> I will surely achieve your given goals. I can build a clean, easy-to-use estimate application with editable price tables, dynamic window selection, PDF export, and flexible image/category management. Please ping me to get started. Thanks!!!
$240 CAD in 7 days
6.9
6.9

Hi I understand you are looking for a lightweight, user-friendly tool to build clear, professional window replacement estimates. The core flow—select a window style from a thumbnail dropdown, enter size and quantity, and instantly see a split between material cost and installation labor—needs to be reliable, easy to update, and quick to share as a printable or email-ready summary. I’m a results-driven developer with experience turning pricing concepts into repeatable workflows and clean interfaces. I’ll structure the app so you can swap in new window styles without touching code, update material and labor rates directly, and export polished PDFs or emails that you can present on screen. For this project I would deliver a lightweight application that can run as a desktop or browser app, with a thumbnail gallery dropdown that supports add/replace functionality, real-time cost calculations that preserve the product-only price when toggling installation, and an admin area or drag-and-drop folder approach to add new styles automatically. The final estimate would export to PDF, and I’d include a simple, reusable price-table and a clean, printable summary layout aligned with your branding. Best, Justin
$140 CAD in 7 days
6.5
6.5

Hi, your "Window Estimate Dropdown App" project is right in my wheelhouse. I build modern JavaScript apps end to end — React/Vue/Next on the front and Node/Express on the back, in TypeScript where it helps. Working with javascript, python, user interface / ia, backend development, frontend development, app development, web application, desktop application, I focus on responsive, fast UIs, clean component structure, and reliable APIs — no page-builder shortcuts. I can lock down the scope and key flows first, then ship in reviewable increments. Let's hop on a quick chat to align on your requirements? ⭐ 5.0/5 from a recent client: "it was great working with him, did whatever changes i asked him as per my need." Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$225 CAD in 3 days
6.5
6.5

The key risk is making new window styles easy to add without accidentally breaking the pricing tied to each image, so I’d keep images, categories, base costs, and labour rates in editable data rather than hard-code them into the interface. I’d build this as a lightweight browser-based app with a clean estimate screen and a simple admin area for managing window styles, thumbnails, material pricing, and installation rates. Selecting a style would load its base cost immediately, while the installation toggle would calculate labour separately and keep the product-only subtotal visible. The PDF output would use a dedicated print layout rather than printing the screen directly, so the customer receives a clean summary with sizes, quantities, selected styles, product costs, optional labour, and totals. I’d also validate missing dimensions, quantities, and pricing entries before export, since incomplete estimates are the most likely issue during a live customer conversation.
$150 CAD in 1 day
6.3
6.3

With over x years of experience in software engineering and a specialization in frontend development, I am confident that I can build the window estimate dropdown app you need. Being under the top 1% of freelancers on this platform is not just about rankings; it showcases my dedication to delivering excellent work. My skill set, especially my proficiency in Python, aligns perfectly with the technical requirements you outlined for this project. What makes me unique is my ability to provide future-ready solutions. I understand your need for a flexible structure where new window images/categories can be added or replaced without any code changes. Rest assured, I will make that happen efficiently. I have also worked extensively with tools like Excel-VBA and Flask so updating your material and labour rates would be a smooth task for me. Lastly, but most importantly, as a Tech Savvy Virtual Assistant, I am well-versed in understanding and fulfilling non-coder's needs effectively. This means when we talk numbers with homeowners while using the app, I'll ensure the interface remains clean and modern, ensuring a clear, professional user experience - much like the cost estimates you provide your customers. What are we waiting for? Let's transform your window-replacement business using an intelligent pricing tool!
$140 CAD in 3 days
6.0
6.0

Hello, I hope this message finds you well. I have a clear understanding of your project requirements for developing a Window Estimate Dropdown App for your window-replacement business in Canada. The key objective is to create a user-friendly application that allows you to generate professional cost estimates efficiently during customer interactions. My approach involves structured requirement confirmation, controlled planning, clean implementation, testing & validation checkpoints, and milestone-based transparency to ensure the successful delivery of the project. With expertise in JavaScript, Python, User Interface / IA, Backend Development, Frontend Development, App Development, Web Application, and Desktop Application, I am well-equipped to handle the development of this application. You can view examples of my previous work in my portfolio: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ To better understand your priorities, could you please share your main focus for this application? I invite you to open a chat to discuss and finalize the project scope seamlessly. Best regards, Muhammad Anas Khan
$90 CAD in 4 days
5.7
5.7

Hi there, Your window estimate tool needs flexible image-based dropdowns, editable pricing, and clean PDF output without code changes. I’ve spent the last 4 years solving exactly this type of problem. I built a browser pricing app for a contractor that separated product and labor totals, and a desktop quoting tool that let non-technical users update rates and swap catalog items safely. The real risk here is not the calculator itself; it’s keeping the catalog structure flexible so new window styles, thumbnails, and prices can be added without breaking estimates or losing the product-only base amount when installation is toggled. I’ll build a clean app with a thumbnail dropdown, live recalculation, editable product/labor tables, and a print/PDF export that stays readable on-screen with homeowners. I’ll structure the catalog so new image folders or admin entries automatically appear in the selector, and I’ll keep the estimate logic separated from presentation for easy maintenance. I’ll keep the build isolated, documented, and simple to update for a non-coder. Best regards, John allen.
$155 CAD in 3 days
5.7
5.7

Hello! We can build a simple estimate tool for your window-replacement quotes. 1. Do you want this as a desktop app or a browser app? 2. Should new window styles be added through an admin screen or a folder drop? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$140 CAD in 7 days
6.3
6.3

As a full-stack developer with a wide array of skills, I believe I would be the ideal candidate for your Window Estimate Dropdown App project. With a solid foundation in JavaScript, along with experience in all major web and mobile development stacks, I can assure you that the final product will not only be functional but also scalable and efficient. One key aspect of your project that aligns well with my expertise is the need for maintaining a clean, modern user interface while ensuring flexibility. Being able to easily update window styles without any coding changes is something I can accomplish effortlessly. This applies to the whole project, including editable price tables and exporting estimates to PDF - all tasks that usually require intricate implementation and yet essential to your business. In addition, having created multiple applications with complex pricing logic similar to your project using Python (Tkinter/Flask) API framework I can apply these learning in real-time costing logic needed for separating the product price from optional labor installation with ease and accuracy. Finally, throughout all stages of the project, I pledge towards maintaining clear communication and delivering reliable solutions. I understand the importance of keeping you involved in the process and can facilitate this via screen-sharing or other collaborative methods. Let me take care of your window estimate needs – together we can build something that simplifies your process!
$30 CAD in 7 days
5.8
5.8

Hello, this is a straightforward estimating app, but the part that usually matters most is making the pricing model editable without letting the UI, image catalog, and export logic drift out of sync. I’ve built several production systems where non-technical users manage records, assets, and output documents through a clean web interface. The closest match here is DocIntel AI for the admin and document workflow patterns, and Dent-Cloud for the browser-based application structure and maintainable frontend/backend separation. For this kind of tool, I usually structure it around three layers: a window-style catalog with image metadata, a pricing/rules layer for product and installation logic, and an estimate output layer for customer-ready summaries. That keeps future style additions simple and avoids hardcoding categories. Since you mentioned JavaScript and Python, I’d lean browser-based so updates are easier for you and PDF export is consistent. The real risk is not calculation itself; it’s keeping admin edits, dropdown image selection, and exported totals perfectly consistent. I design these as long-term maintainable tools, not one-off forms. If useful, I can sketch the data model and estimate flow first so the add/replace behavior is locked down before buildout. Clifton
$140 CAD in 7 days
5.6
5.6

Aloha! My name is Md Rashedul, your full-stack developer extraordinaire. With a proven track record in both traditional web development and modern AI engineering, I'm highly confident in delivering your desired Window Estimate Dropdown App. My skills in JavaScript and Python put me at the helm of your project, guaranteeing a product that's not just proficient but forward-thinking. But what sets me apart is my ability to create systems with non-technical users like you in mind. I know that even though you aren't a coder, it's important that you're able to easily update material and labour rates without much hassle and that your clients will receive polished PDF estimates. And that's exactly what I bring to the table - an easy-to-use platform with clean, modern interface design that churns out precise estimates with ease. More so, since this project requires flexible structure which allows for future changes without huge code reworks, my experience in AI-powered WordPress plugins and LangGraph-based intelligent workflow automation comes into play. These give me the unique adaptability necessary to integrate new window styles/customers as well as streamline the cost calculations process effortlessly for you. Overall, I am not just a coder but a turner of concepts into fully functional products who values clear communication and client satisfaction above all else!
$130 CAD in 2 days
5.7
5.7

Surrey, Canada
Payment method verified
Member since Feb 11, 2022
$10-100 CAD
$30-250 CAD
$30-250 CAD
$30-250 CAD
$10-30 CAD
₹1500-12500 INR
$15-25 USD / hour
₹12500-37500 INR
₹1500-12500 INR
$30-250 AUD
$250-750 USD
$250-750 USD
₹600-1500 INR
$15-25 USD / hour
₹600-1500 INR
€100-450 EUR
$250-750 USD
$250-750 USD
$250-750 USD
₹600-1500 INR
$250-750 USD
$30-250 NZD
₹750-1250 INR / hour
$250-750 USD
$100 USD