Skip to main content

STL File Converter vs File Compressor Online

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 File Compressor Online
DetailSTL File Converter logo STL File Converter File Compressor Online
What it doesFree browser-based converter for 3D model files and image-to-STL Free online image and file compressor with exact target KB size and 100% in-browser privacy
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
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. Not given
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
  • Exact target KB size selection without guessing
  • 100% original resolution preservation without downscaling
  • Support for JPG, PNG, WebP, and GIF formats
  • Live side-by-side comparison slider before saving
  • No subscriptions, watermarks, or daily file limits
  • Metadata and GPS tag removal
  • Works on desktop, tablet, and mobile devices
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
  • Guaranteed privacy through 100% in-browser architecture with zero file uploads to servers
  • Exact target KB fitting without resolution loss or pixel breaking
  • Designed specifically for government visa, passport, and job portal upload requirements
  • Completely free with no registration, subscriptions, or hidden fees
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check5 no change since last check
Trust Flow (Majestic)23
Citation Flow (Majestic)1913
Referring domains (Majestic)78

4 details filled in for both companies.

More alternatives to STL File Converter More alternatives to File Compressor Online

Help centre