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Case study

DataForge: file format conversion

A conversion SaaS MVP for CSV, JSON, Excel, XML, and YAML with cleaning steps, accounts, and Stripe plans.

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Status
Case study
Category
Document systems
Stack
Python · FastAPI · Django
Client
DataForge

Business problem

Small teams needed a simple place to convert and tidy tabular files without a desktop toolchain.

What needed to happen

Personal / CodeForge MVP. FastAPI and Django implementations exist. There is no verified public production URL in the repos, so this case has no View Live Site link.

What I built

A web UI and API accept common tabular formats, run a short transformation pipeline (empty rows, column names, duplicates), and apply plan-based usage limits.

How it works

A working conversion product used to prove billing, limits, and a file pipeline. Treated here as a supporting technical case, not flagship proof.

Technical detail

  • FastAPI (and a later Django/DRF variant) with Pandas-based conversion
  • User accounts and plan limits
  • Stripe checkout and subscription maintenance jobs

What shipped

  • CSV, JSON, Excel, XML, and YAML conversion
  • Basic cleaning and transforms
  • Account-gated usage limits

Technology

  • Python
  • FastAPI
  • Django
  • Pandas
  • Stripe

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