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GainTools OST to VCF Converter vs JSON to CSV Converter

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

GainTools OST to VCF Converter compared with JSON to CSV Converter
DetailGainTools OST to VCF Converter logo GainTools OST to VCF ConverterJSON to CSV Converter logo JSON to CSV Converter
What it doesExport OST contacts to VCF to access on various email applications and mobile devices Free online tool to convert JSON to CSV with privacy, nested data flattening, and interactive preview
StageNot given Not given
FoundedNot given Not given
Based inIN Not given
Pricing modelFreemium Free
PricingFree trial available; full license $39 USD with 30-day money back guarantee No cost, unlimited conversions
Key features
  • Reads any OST file for contact extraction
  • Saves entire contact details to VCF format
  • Filters and selects specific OST files for data extraction
  • Supports MS Outlook versions 2003 to 2016
  • Easy sharing of Outlook contacts to multiple devices
  • Exports all contact properties including names, addresses and phone numbers
  • User-defined output location for VCF files
  • Handles corrupted OST files
  • 100% private client-side conversion with no server uploads
  • Interactive table preview with search and pagination
  • Nested JSON object flattening using dot notation
  • Multiple delimiter options: comma, semicolon, tab, pipe
  • Syntax-highlighted code editors with dark/light themes
  • Drag and drop file upload and URL loader
  • RFC 4180 compliant CSV escaping
  • One-click CSV download and clipboard copy
  • Support for large files up to tens of megabytes
  • Automatic JSON schema discovery and validation
What makes it different
  • Seamless migration of all contact properties without modification or damage
  • Compatible with any MS Outlook version and corrupted files
  • Free demo version available for lifetime
  • 24/7 technical support included
  • Simple 3-4 step conversion process for non-technical users
  • No account creation, row limits, or paywalls required
  • RFC 4180 compliant output for seamless spreadsheet import
  • Dual visualization modes for raw CSV and interactive table views
Community votes00
DR (Domain Rating by Ahrefs)27 +1 (up) since last check2 no change since last check
Trust Flow (Majestic)240
Citation Flow (Majestic)2317
Referring domains (Majestic)6073

5 details filled in for both companies.

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