iToolsPro

Image Stitcher

Combine multiple images into one - horizontal / vertical / grid, adjustable gap / background / fit, all local.

Layout
Height px
Gap px
BG
Output
Images 0
Click or drag multiple images here PNG / JPG / WebP, multi-select
Add images to reorder here
Preview
Add images to generate a stitched preview
Size - Images 0 File -
Stitch · Grid · Combine

Image stitching,combine · local-first

Combine images into one - horizontal strip, vertical long image or grid collage, live preview.

100% local · nothing uploaded

Core features

Three layouts
Horizontal strip, vertical long image, grid collage - rows/cols auto or manual.
Horizontal, vertical, grid.
Fine tuning
Gap, background color, fit (contain / cover), output format - all adjustable.
Gap, background, fit, format.
Local-first
All stitching runs in the browser - images never leave your device.
Runs fully in the browser.

Use cases

📜 Stitch screenshots into a long image ↔ Side-by-side compare ⊞ Grid collage 🖼 Photo collage 🎬 Comic strip

图片拼接功能说明与使用指南Image Stitcher Guide

了解图片拼接的功能、如何拼接,以及常见问题解答。Combine images into a horizontal strip, vertical long image or grid collage.

功能说明What It Does

图片拼接可把多张图片合成一张,支持横向条带、纵向长图与网格拼图三种布局,行列可自动或手填。

Combine multiple images into one with horizontal, vertical or grid layouts, with auto or manual rows / columns.

支持间距、背景色、拟合方式与输出格式调节,拖拽即可排序,改设置即时预览。

Adjust gap, background, fit and output format, drag to reorder, and preview instantly.

适合制作长图、对比图、产品展示图与九宫格拼图。

Great for making long images, comparison images, product showcases and grid collages.

无需安装软件,拖入图片即可拼接。

No software install — drop images in and stitch them.

适用人群Who Should Use

电商卖家、自媒体制作产品展示长图。

Sellers and creators making product showcase long images.

需要拼接截图、对比图的普通用户。

Everyday users who need to stitch screenshots or comparison images.

技术原理How It Works

通过 Canvas 按布局(横向 / 纵向 / 网格)绘制多张图片。

Draws multiple images on a canvas according to the layout (horizontal / vertical / grid).

拼接与导出在浏览器本地完成。

Stitching and export run locally in the browser.

安全与隐私Privacy & Security

图片在本机拼接,不上传。

Images are stitched on-device and never uploaded.

使用步骤How to Use

  1. 批量上传图片并拖拽排序。Upload images and drag to reorder.
  2. 选择横向 / 纵向 / 网格布局。Choose horizontal / vertical / grid.
  3. 调整间距、背景与拟合方式。Adjust gap, background and fit.
  4. 点击「下载」保存拼接结果。Click download to save.

常见问题FAQ

Q1. 支持哪些输出格式?Q1. Which output formats are supported?

支持 PNG 与 JPG 两种输出格式。PNG and JPG output formats.

Q2. 网格行列怎么设置?Q2. How to set grid rows and columns?

可手填行×列,填 0 表示自动计算最优排布。Set rows × columns, or 0 for auto layout.

Q3. 图片会上传吗?Q3. Will images be uploaded?

不会,拼接全程在浏览器本地完成。No, stitching runs entirely in the browser.