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Image Stitcher

Stitch multiple images together

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image/jpeg · image/png · image/webp image/jpeg · image/png · image/webp

What does Image Stitcher do?

Stitch multiple images together Supports JPEG, PNG, WEBP, GIF, BMP formats. All processing happens locally — your images never leave your device.

Input

image/jpeg, image/png, image/webp

Output

image/jpeg, image/png, image/webp

Processing

In your browser — images never leave your device

How to use Image Stitcher

  1. 1

    Upload

    Select or drag and drop your image. Supports JPEG, PNG, WEBP, GIF, BMP formats.

  2. 2

    Configure

    Adjust the tool settings as needed for your image.

  3. 3

    Process

    Click the process button to transform your image.

  4. 4

    Download

    Download your processed image.

Features

  • Browser-based processing
  • Batch processing
  • No file upload to server

Why use Image Stitcher?

Your image is processed entirely in your browser using the Canvas API. No files are uploaded to any server. Once you close the tab, all data is removed.

Web Use

Process images for web publishing.

Sharing

Prepare images for sharing.

Editing

Edit images for your projects.

Pro tips for Image Stitcher

Know your formats

JPEG, PNG, WEBP behave differently for the same operation — lossless formats keep every edit pixel-perfect, lossy ones re-encode. Pick the output format deliberately.

Use the live preview

Image Stitcher re-runs automatically as settings change, so you can compare options side by side before committing to a download.

Batch when possible

Doing the same operation on many files? The bulk versions of this tool process entire folders at once with identical settings.

Check dimensions before you export

The result summary shows exact output dimensions and file size — verify them against the requirements of the place you will upload to.

Keyboard shortcuts speed things up

Press Enter to run the tool and Ctrl+Z to reset and start over — handy when testing many settings in a row.

Troubleshooting Image Stitcher

⚠️ The result looks blurry or low quality

Most often the source image was small or heavily compressed to begin with — processing cannot recreate detail that is not there. Start from the highest-quality original you have, avoid enlarging beyond 100%, and use a lossless output (PNG) when edges must stay sharp.

⚠️ My JPEG file will not upload

Check the file extension matches an accepted type (JPEG, PNG, WEBP). Some cameras save rare variants; re-saving the file once in a normal viewer usually fixes it. Very large files may also exceed browser memory — try a smaller copy.

⚠️ The download did not start

Browsers block automatic downloads when a pop-up blocker is aggressive or the tab lost focus. Click the download button again, allow downloads for this site, and check your Downloads folder for a (1) suffixed copy.

⚠️ The page feels slow with a huge image

A 50-megapixel photo decodes hundreds of megabytes in memory. Resize in two steps — halve the dimensions first, then fine-tune — and close other heavy tabs. Everything runs on your device, so available RAM matters.

Key terms explained

Image Stitcher in one sentence
Stitch multiple images together. Works entirely client-side on JPEG, PNG, WEBP files — nothing is uploaded to a server.
Lossless compression
Reduces file size without discarding any pixel data — the decoded image is bit-for-bit identical to the original. PNG and WebP-lossless work this way.
Lossy compression
Shrinks files by permanently discarding detail the eye tolerates losing. JPG, WebP-lossy and AVIF trade a little fidelity for large savings.
Aspect ratio
The proportional relationship between width and height (e.g. 16:9). Keeping it constant prevents stretching and squashing.
Resolution
The count of pixels an image contains (width × height). More pixels mean more detail and larger files.
Alpha channel / transparency
Extra per-pixel data that marks areas as see-through. Supported by PNG and WebP; ignored by JPG.
EXIF metadata
Hidden data a camera embeds in each photo — device, settings, sometimes GPS. Useful for organizing, risky for privacy when sharing.

Click, drag & drop, or paste an image

Accepted: JPG, PNG, WebP, GIF

Quick Answers

What does Image Stitcher do?

Stitch multiple images together

How do I use Image Stitcher?

Upload your image, adjust the settings, and click process. Download the result.

Tool Details

Input Formats

JPG, PNG, WebP, GIF, BMP

Output Formats

JPG, PNG, WebP, GIF, BMP

Processing

In your browser — no uploads

Limitations

  • Maximum file size depends on browser memory
  • Processing speed depends on device capability
  • Some features may not work in older browsers

Image Color Picker

Pick any color from an image. Get HEX, RGB and HSL values instantly.

Image Converter

Convert images between JPEG, PNG, WebP and other formats instantly.

Image Resizer

Resize images to any dimension. Maintain aspect ratio or set custom width and height.

Image Cropper

Crop images to remove unwanted areas or focus on specific parts.

Related Guides

Image Formats Guide Optimize Images for Web
Browse more utility tools →

Frequently Asked Questions

Is image stitcher free?

Yes, completely free with no limits on usage.

Are my images uploaded to a server?

No. All processing happens directly in your browser. Your images never leave your device.

What image formats are supported?

This tool supports JPEG, PNG, WEBP, GIF, BMP formats.

Can I use this on mobile?

Yes, the tool works on any device with a modern browser — Android, iPhone, and tablets.

Is image stitcher safe for private photos?

Yes. Because everything runs locally in your browser, your photos are never uploaded, stored, or seen by anyone else.

Do I need to create an account or install software?

No account, no installation, no watermark. Open the page, drop your image, and download the result.
🔒

Private

In your browser

💾

No Storage

Images stay on your device

🚫

Private

Your images never leave your device