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STL File Converter vs Invoice-Converter.com

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

STL File Converter compared with Invoice-Converter.com
DetailSTL File Converter logo STL File ConverterInvoice-Converter.com logo Invoice-Converter.com
What it doesFree browser-based converter for 3D model files and image-to-STL Convert PDF invoices to validated XRechnung, ZUGFeRD, or UBL e-invoices
StageNot given Not given
FoundedNot given Not given
Based inNot given DE
Pricing modelFreemium Freemium
PricingFree for image-to-STL conversion, 3D file format conversion, and preview. AI generation: Starter $6.90 (60 credits), Standard $14.90 (200 credits), Professional $29.90 (500 credits). One-time payment, no subscription. 20 credits per AI generation. One-time: €5 per conversion excl. taxes. Starter: €10/month with annual billing (€120 per year) excl. taxes. Professional: €15/month with annual billing (€180 per year) excl. taxes. Enterprise: €35/month with annual billing (€420 per year) excl. taxes. 3-day trial on first subscription.
Key features
  • Convert PNG, JPG, WEBP to STL up to 10 MB
  • Heightmap mode for photo reliefs
  • Extrude mode for logos and silhouettes
  • 3D preview before download
  • Convert 3D files (STL, OBJ, GLB, glTF, 3MF) up to 50 MB
  • Local file processing in browser
  • Adjust depth and base settings
  • Adjust output size
  • AI image-to-3D generation with credits
  • PDF to XRechnung conversion
  • PDF to ZUGFeRD conversion
  • PDF to UBL conversion
  • EN 16931 validation
  • KoSIT reference validator integration
  • AI-powered extraction
  • Batch processing (up to 10 files)
  • Email import and API access
  • Leitweg-ID support
  • Manual review and editing before download
What makes it different
  • All free tools run locally in your browser with no uploads or signup needed
  • No file size caps, watermarks or paywall after limited conversions
  • Open-source 3D engine (three.js) powers conversions
  • Credits never expire and are one-time payment only
  • Built specifically for photo reliefs, logos and decorative plates
  • Works without an account for upload and review
  • Every XRechnung checked with KoSIT reference validator before download
  • No XML coding required
  • Supports multiple European e-invoice standards in one tool
  • Money-back guarantee for failed conversions
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check5 no change since last check
Trust Flow (Majestic)28
Citation Flow (Majestic)1925
Referring domains (Majestic)726

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