画像ツール
画像コラージュメーカー
画像を横・縦・グリッド・自由な混合レイアウトで結合します。
Upload images, then choose a template or add around any selected area.
ほとんどのツールはブラウザ内でローカル処理します。背景除去では選択した画像を設定済みサーバーで処理し、完了後に元画像を削除します。
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使い方
- Choose or paste JPG, PNG or WebP images. Use a template or select any area and add an image above, below, left or right.
- Select an area to replace its image, switch between full image and fill-and-crop, rotate or flip it, then adjust background, gap and margin.
- Export PNG, JPG or WebP. PNG can keep transparent background; JPG uses the chosen background colour.
おすすめの用途
- Mixed photo collages and mood boards
- Long screenshots and social media layouts
- Before-and-after, product and portfolio grids
注意点
All processing is local. Browser memory limits apply; very large canvases are capped. This tool does not detect seams, deduplicate images or create panoramas.
よくある質問
Can I mix horizontal and vertical joins?
Yes. Select an area and add images above, below, left or right. Each added area can be split again, creating nested rows and columns.
Are images uploaded?
No. Images are decoded, previewed and exported locally in your browser.
Can I export a transparent PNG?
Yes. Enable Transparent background and export PNG. JPG always receives a solid background.
Why is there empty space or cropping?
Full image mode preserves every pixel and may leave background space. Fill mode covers the area and crops overflow.
Are there output size limits?
Yes. Browser memory and a 40 megapixel safety cap limit very large exports.