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I need a lightweight, minimalist single-page web app that reads an existing Excel contact list, runs full-text search on first and/or last name (partial strings included), and result is laid out for phone use in landscape mode. the visitor can tap an “INTERESTED” button beside it along with A small text field so they can leave a comment. On submission, the contact’s details plus the comment are written to a separate list (a new Excel sheet, CSV, or JSON file—whatever is easiest to maintain). No user login or authentication is required; the page should open directly and be ready to search. Deliverables: • Clean HTML, CSS, and JavaScript (or a concise framework) implementing the search, “Interested” action, and data capture • A short script or helper utility that imports the original Excel file and handles the write-back of comments to the secondary list • Brief setup notes so I can drop the files onto a basic web host or local server and start using the page immediately Acceptance: the page loads in under two seconds on a modern phone, search is responsive as I type, and every submitted comment reliably appears in the separate list with a timestamp.
Project ID: 40493377
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176 freelancers are bidding on average $36 USD for this job

Hello, I can build your lightweight single-page web app with clean HTML, CSS, and JavaScript, optimized for fast mobile use. It will read your Excel contact list, support responsive full-text search, and let visitors tap “INTERESTED” with a comment field. Submissions will be stored in a separate list (CSV/JSON/Excel) with timestamps. Would you prefer the secondary list in CSV for easy editing or JSON for structured flexibility? I’ve done similar work with great success and confident to fulfill your requirements. Let’s talk.
$100 USD in 7 days
9.7
9.7

Hello, This is a straightforward project and I can deliver a clean, mobile-friendly solution that allows users to search contacts instantly, mark records as interested, add comments, and save submissions with timestamps. My proposed solution includes: ✓ Fast real-time search with partial matching on first and last names ✓ Mobile landscape-optimized interface ✓ Instant filtering as users type ✓ "INTERESTED" action beside each contact ✓ Comment entry with timestamp tracking ✓ Separate response storage (CSV, JSON, Excel-compatible output, or Google Sheets) ✓ No login required ✓ Lightweight and fast-loading design ✓ Simple deployment on standard hosting For maintainability, I recommend converting the source Excel file into JSON for fast client-side searching, while storing submitted responses separately through a lightweight PHP endpoint or Google Sheets integration. The result will load quickly on mobile devices, remain responsive even with large contact lists, and provide an easy way to export or review all collected responses. I have experience building CRM-style search tools, data management systems, and lightweight administrative interfaces where speed and simplicity are critical. I can start immediately and deliver a fully documented solution with setup instructions. Best regards, Microlent Systems
$20 USD in 7 days
9.5
9.5

Having read your project description, I am confident that I can deliver exactly what you need. Building lightweight, mobile-friendly web application is my specialty and I am able to craft a clean HTML, CSS, and JavaScript solution that will fulfill your requirements. My extensive experience in programming and web development means I understand the nuances of optimizing and ensuring fast load times, so you can expect the page to load in under two seconds on any modern phone.
$50 USD in 1 day
8.7
8.7

Hello, As a leading web service provider in Pakistan, my team and I at Our Software have extensive experience designing and developing mobile-friendly websites using clean HTML, CSS, and JavaScript. We know the importance of a minimalist approach in maximizing performance and improving user experience, which aligns perfectly with your project vision. In addition, our mastery in handling JSON will ensure seamless data transfer from the contact list to the secondary file for each "Interested" action. Moreover, speed is a paramount factor for any online platform, and we understand that completely. Our proficiency in optimizing websites has enabled us to achieve page-loading time well under two seconds on various screen sizes, including mobile devices. Furthermore, we appreciate the significance of real-time responsiveness during search operations; our strong JavaScript skills guarantee smooth and speedy search results as soon as the visitor starts typing. In conclusion, choosing us would mean leveraging a team that truly understands your needs; one that promises not only an excellently designed webpage but also an easy-to-use backend solution for importing Excel files and ensuring every submitted comment appears accurately in the separate list with a timestamp. Your project's success is our utmost priority, and we're committed to transforming your ideas into a reality that exceeds your expectation. Let's create something wonderful together! Thanks!
$30 USD in 1 day
8.6
8.6

Hi, I can build this lightweight, mobile-first web app with a fast live-search experience and simple data capture workflow. ✔ Import existing Excel contact list (XLSX/CSV) ✔ Real-time full-text search by first name, last name, or partial matches ✔ Optimized for phone landscape mode and fast loading ✔ “INTERESTED” button with expandable comment field ✔ Timestamped submissions saved to a separate CSV, JSON, or Excel-compatible file ✔ Clean HTML/CSS/JavaScript with minimal dependencies ✔ Responsive, searchable interface with sub-2 second load times ✔ Setup script and documentation for local hosting or deployment on a basic web server **Deliverables** • Complete source code • Excel import utility • Comment capture and export functionality • Setup guide and maintenance notes • Testing to ensure all submissions are reliably recorded with timestamps Best regards, M. Rizwan LA
$20 USD in 1 day
8.2
8.2

Hello, You need a fast, no-login contact lookup page that feels effortless on a phone, and I can build it so the right record is found in seconds, then captured cleanly with the comment and timestamp. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. I’ll create a lightweight single-page web app in clean HTML/CSS/JavaScript, optimized for landscape mobile use with responsive live search across first and last names, partial matching, and a simple INTERESTED flow that reveals the comment field only when needed. For write-back, I can use a maintainable JSON or CSV list with a small PHP helper to import the Excel contacts and store submissions reliably. I’ll also include setup notes so you can deploy it to a basic host or local server with minimal effort. Do you want the submission data saved as CSV, JSON, or a second Excel sheet, and should the original contact list be re-imported automatically if it changes? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$30 USD in 3 days
8.3
8.3

I see you need a lightweight, mobile-first single-page app that loads an Excel contact list, supports instant partial name search, and lets users tag a record as “INTERESTED” with a comment saved into a separate file (CSV/JSON/Excel). I’d build this as a fast vanilla JS SPA using SheetJS for Excel parsing and in-memory indexing for instant search, with a small PHP (or Node) endpoint to reliably append submitted interest entries with timestamps. Approach Phase 1: Excel import + responsive search UI (live filtering) Phase 2: “Interested” action + comment capture flow Phase 3: backend write (CSV/JSON) + deployment + mobile performance tuning Questions: Preferred storage format for output (CSV, JSON, or Excel)? Will your hosting support PHP, or should this be fully static + API? Best regards, Ivane
$20 USD in 7 days
8.4
8.4

My question: Approximately how many contact records will the Excel file contain? I can definitely help you with this project. With 12+ years of experience in web applications, JavaScript, APIs, data processing, and performance optimization, I can build a lightweight mobile-friendly web app with instant search, partial name matching, an "INTERESTED" workflow, comment capture, and reliable timestamped storage to CSV, JSON, or Excel. The solution will be fast, easy to deploy on basic hosting, and designed for smooth landscape use on phones. I'll also provide a simple import utility and concise setup documentation for immediate use.
$30 USD in 7 days
8.2
8.2

Hello, I am available to build this lightweight, mobile friendly web app with fast real time search, an “Interested” workflow, comment capture, and reliable timestamped data storage. The solution will be optimized for phone landscape use, load quickly, and use clean HTML, CSS, and JavaScript with minimal dependencies. I will provide the search interface, Excel import utility, comment write back functionality (CSV/JSON/Excel), and clear setup instructions. Looking forward to your response. Best regards!
$450 USD in 9 days
8.3
8.3

Hi, I can build your minimalist single page contact search app. It will read your Excel list, run fast partial search on first and last names in landscape mode, and add an Interested button with a comment field that writes records to a separate file with a timestamp. I will deliver clean HTML, CSS and JavaScript, an import helper, and simple setup notes so you can host it right away. Loads in under two seconds. Happy to start now.
$30 USD in 1 day
7.6
7.6

Woah Hello, It looks like you're looking for a simple, fast web app that lets users search through an Excel contact list on their phones. The goal is to have a clean interface where they can find contacts quickly and leave comments when they're interested. I totally get how important it is for this to be lightweight and responsive, especially on mobile. With my 7+ years of experience in web development, I can create a streamlined HTML, CSS, and JavaScript solution that meets your needs. I'll ensure the search function is quick and that the comment capture feature works seamlessly, writing data back to a manageable format like CSV or JSON. Plus, I’ll provide clear setup notes so you can get everything running smoothly on your server right away. Looking forward to collaborating on this! Best regards, Ivan Mandinski
$10 USD in 1 day
7.5
7.5

Hi, I can build a lightweight, mobile-friendly single-page web app that imports your Excel contact list, provides instant partial-name search, and allows users to mark contacts as "Interested" with comments. The solution will include clean HTML/CSS/JavaScript, fast real-time search, timestamped comment capture, and automatic storage in a separate CSV/JSON/Excel-compatible file. I'll also provide a simple import utility and setup documentation so you can deploy it on any basic web host or local server. The app will be optimized for phone landscape mode, load quickly, and remain easy to maintain and extend in the future. Best regards, Ihtsham
$20 USD in 1 day
7.2
7.2

I can absolutely build this lightweight, mobile-optimized search app for you. I will design it with a landscape-first responsive layout tailored specifically for phones, ensuring sub-2-second load times and instant, responsive search filtering as you type. I will use python for backend and frontend NextJs(advance html)
$25 USD in 1 day
7.4
7.4

Hello, This is a straightforward project, and I can deliver a lightweight, fast-loading solution that works smoothly on mobile devices in landscape mode. I would build the application using clean HTML, CSS, and JavaScript with a simple backend utility for handling Excel imports and comment storage. Each submission will be saved with the contact details and a timestamp to a separate CSV, JSON, or Excel-compatible file, depending on your preference. The interface will be optimized for speed, simplicity, and usability, with no login required and minimal server requirements. The solution will be designed to load quickly, remain easy to maintain, and support future enhancements if needed. https://www.freelancer.com/u/stelianrosca618 Best regards Stelian
$20 USD in 1 day
7.0
7.0

Architecting your fast landscape search... I see you need a blazing-fast, login-free web application optimized for mobile landscape to search contacts and reliably append timestamped feedback to a secondary file. Here is exactly how I will architect this for you: Vanilla JS Frontend: I will build the UI in pure HTML/CSS and Vanilla JavaScript (avoiding heavy frameworks) to guarantee your sub-2-second load time and instant search responsiveness as you type. Data Read/Write Script: I will write a lightweight PHP helper script to parse your initial Excel/CSV list and safely append every "Interested" submission and comment to a new structured JSON or CSV file with automatic timestamps. The Handoff: You will receive the clean source code and the exact setup notes you requested so you can drop this onto any basic web host and start capturing data immediately. Quick question: For the original Excel contact list, roughly how many rows are we loading at once—is it a few hundred, or several thousand that might require me to optimize the JavaScript search indexing for mobile memory?
$30 USD in 2 days
6.9
6.9

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$200 USD in 7 days
6.9
6.9

As a seasoned full-stack developer with over a decade of experience, I'm confident in my ability to deliver an excellent solution for your mobile contact search webpage. I specialize in both web and mobile app development using a range of technologies, such as HTML, CSS, JavaScript, and JSON – skills that are highly pertinent to this project. My extensive background includes work on numerous single-page web applications and designing responsive layouts specifically for mobile use. I assure you that I can build you a lightweight and minimalist webpage that answers your unique needs and will load in under two seconds on mobile devices. Speed and accuracy is crucial for every project, and my proficiency using Excel files in web apps means your page will be efficiently set up.
$20 USD in 2 days
7.2
7.2

I will make this page using mentioned requirements. Give me chance to show you good result. Thanks -----
$18 USD in 1 day
6.7
6.7

Hello, I am an experienced Full-Stack Web Developer with expertise in creating fast, responsive, and user-friendly web applications. I can build your Mobile Contact Search Webpage with a clean interface, optimized performance, and seamless mobile experience. What I can deliver: ✔ Mobile-first responsive design ✔ Fast contact search functionality ✔ Clean and intuitive UI/UX ✔ Secure and scalable code ✔ Cross-browser compatibility ✔ Quick loading speed and optimization I have worked on similar web applications involving search, data management, and responsive interfaces. My focus is on delivering high-quality work, clear communication, and on-time project completion. I would be happy to discuss your specific requirements, search criteria, data source, and any additional features you need. Once I understand the details, I can provide an accurate timeline and implementation plan. Looking forward to working with you and bringing your project to life. Best Regards, Manu Sharma Full-Stack Web Developer
$25 USD in 7 days
6.6
6.6

Hi there! I am available for your task and do your task with full responsibility. Could we discuss more details over chat? Thank You
$10 USD in 1 day
6.1
6.1

Toronto, United States
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Member since Mar 26, 2017
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