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Fastgen vs SchemaFast

Provides a full backend builder, not just file conversion

Short answer: Pick Fastgen if you want webflow-style backend creation; pick SchemaFast if you want in-browser CSV/Excel to code conversion. SchemaFast is free.

Which to pick

Pick Fastgen if you want…

  • Webflow-style backend creation

Pick SchemaFast if you want…

  • In-browser CSV/Excel to code conversion

Side by side

What it is
Fastgen:Webflow for the Backend
SchemaFast:SchemaFast converts CSV and Excel files to SQL, JSON, or TypeScript in the browser with automatic type inference.
Best for
Fastgen:Webflow-style backend creation
SchemaFast:In-browser CSV/Excel to code conversion
Who it’s for
Fastgen:—
SchemaFast:Developers and students who need quick, private data conversion.
Pricing
Fastgen:Subscription
SchemaFast:Free
Starting price
Fastgen:—
SchemaFast:Free
Free plan or trial
Fastgen:—
SchemaFast:Free to use
Works with
Fastgen:—
SchemaFast:PostgreSQL, MySQL, SQLite, Supabase, TypeScript

Fastgen features

Webflow for the Backend

SchemaFast features

  • Zero-setup conversion. Drag-and-drop CSV or XLSX files and instantly get SQL, JSON, or TypeScript output.
  • Automatic type inference. AI-driven detection of booleans, integers, dates, nulls and varchar lengths.
  • Live preview & editing. Rename headers, delete rows/columns and see real-time updates with undo support.
  • Client-side privacy. All processing runs in the browser; no data is uploaded to any server.
  • Standard SQL output. Generates ANSI-SQL schema and INSERT statements compatible with PostgreSQL, MySQL, SQLite, Supabase.
  • Export options. Toggle between SQL, JSON, and TypeScript exports, with optional fields for nullability.

Fastgen vs SchemaFast FAQ

What is the difference between Fastgen and SchemaFast?+

Fastgen: Provides a full backend builder, not just file conversion.

Should I use Fastgen or SchemaFast?+

Pick Fastgen if you want webflow-style backend creation. Pick SchemaFast if you want in-browser CSV/Excel to code conversion.

Is Fastgen or SchemaFast free?+

Fastgen is listed on DevHunt as a paid subscription. SchemaFast is free.

On DevHunt

Fastgen

95 upvotes · Launched on DevHunt on Jan 3, 2023

SchemaFast

0 upvotes · Launched on DevHunt on Jan 6, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.