在线合并 PNG 图片
免费将多张 PNG 图片合并为单张大图 • 完美保留透明背景，支持纵向、横向或网格排版。
Choose PNG images or drag & drop
Alpha transparency preserved • Lossless quality • No uploads
Merged PNG Preview
需要进一步编辑图片、裁剪或处理 PSD 图层？ PhotoQuill 是一款免费的 Photoshop 替代工具与 AI 图片编辑器 完整支持图层与 PSD 格式——完全免费，无需登录。
打开免费 Photoshop 替代品 & AI 编辑器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 |