PNG画像をオンラインで結合
透明背景を完全に保持しながら複数のPNG画像を1枚に結合 • 劣化なしの高品質出力。
Choose PNG images or drag & drop
Alpha transparency preserved • Lossless quality • No uploads
Merged PNG Preview
画像の編集、トリミング、PSDレイヤーの操作が必要ですか？ PhotoQuill は無料のPhotoshop代替・AI画像エディターです レイヤーとPSD形式に完全対応 — 完全無料、登録不要。
無料の Photoshop 代替ツール＆AI エディターを開くUse an in-browser alpha-aware canvas merger. Unlike standard image tools that force a solid white background, PhotoQuill preserves 32-bit RGBA channels throughout composition. Multiple transparent PNGs are stitched together seamlessly without converting alpha pixels to solid color blocks.
Why Merge PNG Images with PhotoQuill?
Alpha Transparency Maintained
Transparent backgrounds in your stickers, logos, icons, and product cutouts remain fully transparent without background discoloration.
Private Local Execution
No confidential artwork is sent over the network. Every operation is executed inside your browser using client-side WebAssembly and Canvas.
Lossless Precision
Pixel-perfect rendering without artifact generation or quality downsampling, perfect for web assets and game sprites.
Merging PNG vs. Merging JPG Matrix
| Comparison Factor | Merge PNG | Merge JPG |
|---|---|---|
| Alpha Transparency | Supported (Full 8-bit Alpha) | No (Replaced by solid color) |
| Compression Type | Lossless Deflate (Zero degradation) | Lossy DCT (Higher file compression) |
| Ideal Scenarios | App icons, UI mockups, logos, game sprites | Photography, real-estate photos, scans |
| Output File Size | Moderate to large (Preserves crisp edges) | Small to compact (Optimized for web photos) |
PhotoQuill Local vs. Cloud Combiners
| Evaluation Metric | PhotoQuill Web-Native Tool | Traditional Cloud Merger |
|---|---|---|
| Data Privacy | 100% On-Device (Zero Uploads) | Uploaded to Remote Server |
| Memory & Resolution Limit | Up to 8K/16K (Device RAM) | Often capped at 10MB or 2048px |
| Registration / Fees | Free, No Sign-up | Often requires account or premium tier |