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MergePNG vs 3D Converter

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

MergePNG compared with 3D Converter
Detail MergePNG3D Converter logo 3D Converter
What it doesMerge PNG, JPG and WebP images into a single file or PDF in your browser, with no upload and no sign-up. Free, private, and secure online 3D model conversion
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free plan: Unlimited browser-local mesh workflows, 5 cloud credits per month, 50 MB per cloud file. Pro plan: $9.9/month for 100 cloud credits per month, STEP and IGES cloud conversion, 100 MB effective cloud file limit.
Key features
  • Multiple layout presets: stack, side by side, 2-3 column grids, and compound layouts
  • Add borders and rounded corners to images
  • Drag-to-reorder images
  • Rotate and flip images
  • Export to PNG, JPG, WebP or PDF
  • Duplicate detection by SHA-256 content hash
  • Preserve PNG transparency
  • Control gap, margin, and alignment
  • Works offline after page load
  • Mobile-optimized with pixel limit checking
  • Browser-local processing for STL, OBJ, PLY, GLB, and glTF formats
  • Before-and-after validation with quality reporting
  • 3D viewer for model inspection before conversion
  • Dependency-aware package handling for MTL and image files
  • Format loss documentation showing what each conversion preserves
  • Cloud conversion for STEP and IGES formats
  • Support for up to 100 MB local files
  • Conversion history retention on Pro plan
  • Batch processing up to 20 files on Pro plan
  • No account required for local conversions
What makes it different
  • No upload required - all processing happens locally in your browser
  • Mix PNG, JPG and WebP formats in one merge
  • Free with no watermarks, sign-up or file count limits
  • Handles mobile browser limitations gracefully
  • Preserves image quality at native resolution
  • No file upload required - all conversions happen locally in your browser
  • Detailed before-and-after reports showing exactly what changes in conversion
  • Transparent documentation of format capabilities and data loss
  • Free tier with unlimited local conversions, no sign-up needed
  • Keeps referenced files together with automatic dependency resolution
Community votes00
DR (Domain Rating by Ahrefs)12 +2 (up) since last check18 +14 (up) since last check
Trust Flow (Majestic)2227
Citation Flow (Majestic)2133
Referring domains (Majestic)2929

4 details filled in for both companies.

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