About ExcelToWeb.app
A specialized development service that turns your most complex Excel spreadsheets into professional, custom-coded web applications — with every formula and workflow intact.
How It Started
ExcelToWeb.app was born from a simple observation: businesses everywhere rely on Excel spreadsheets for critical calculations — financial models, pricing tools, engineering calculators, healthcare scoring systems — but Excel wasn't designed to be shared, accessed on mobile, or used by multiple people simultaneously.
What started as a handful of freelance conversion projects quickly revealed a massive, underserved market. Companies were stuck with brilliant spreadsheets that only one person could use at a time, that broke when emailed, and that were impossible to embed on a website.
After completing the first 50 conversions, a clear pattern emerged: clients didn't just want a web app — they wanted someone who understood Excel deeply enough to guarantee that every formula, every edge case, every conditional path would work identically in the browser. That specialized expertise became the foundation of ExcelToWeb.app.
Today, with over 600 projects completed across finance, healthcare, engineering, real estate, agriculture, and more, ExcelToWeb.app is one of the most experienced Excel-to-web conversion services available anywhere.
Verified Track Record
Transparency matters. Rather than asking you to take our word for it, we invite you to check our public track record on Fiverr — an independent platform with verified client reviews, ratings, and completed order counts that we can't edit or fake.
Fiverr Profile
Hundreds of verified 5-star reviews from real clients worldwide. Every review is verified by Fiverr — only clients who completed a paid order can leave a review.
View our Fiverr profileOur Process, Step by Step
File Analysis
You share your Excel file via email, our contact form, or Fiverr. We analyze every sheet, formula, macro, and data flow. Within 24 hours, you receive a detailed quote covering scope, timeline, features, and cost — with no obligation to proceed.
Development
Once you approve the quote, we build your web application using clean, modern web technologies. Every formula is recreated in JavaScript and tested against your original Excel file. We share progress updates and ask clarifying questions as needed.
Testing & Validation
Before delivery, we run your own sample data through both the original Excel file and the new web app side by side. Every calculation path, every conditional branch, every edge case is verified. We don't deliver until the results match.
Delivery & Support
You receive the complete source code, deployment assistance, and a revision period to request adjustments. We're available for follow-up questions, future modifications, and ongoing maintenance if you need it.
Your Data Is Safe
We understand that Excel files often contain sensitive business data — proprietary formulas, client information, financial models. Here's how we protect your information:
NDA Available
We sign NDAs before you share sensitive files. Your business logic stays confidential.
SSL Encryption
All file transfers and communications are encrypted with industry-standard SSL/TLS.
Data Deletion
All project files are permanently deleted within 90 days of delivery.
Single Developer
Your files are only accessed by the one developer assigned to your project.
Industries We Serve
Ready to Transform Your Excel?
Send us your Excel file and get a free quote within 24 hours, or order directly through our Fiverr gig for a streamlined process.