ToolForge

Image Merger

Image concatenate: stitch multiple images horizontally or vertically with spacing, background and size for long and comparison images.

วิธีใช้งาน

Pick two images and a direction, then download the merged result.

Overview

Image Merger is a image tool that Image concatenate: stitch multiple images horizontally or vertically with spacing, background and size for long and comparison images. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.

Use cases

  • Crop/compress for social
  • Check DPI and color mode for print
  • Batch convert PNG/JPG/WebP
  • Generate placeholders and watermarks
  • Use it to cross-check “图片拼接、image merge” in reports, docs or APIs to avoid manual conversion errors

How to use

  1. 1 Drop images
  2. 2 Adjust size/quality/format
  3. 3 Compare before/after
  4. 4 Download or copy link

Highlights

  • Local & private: processing stays in your browser
  • Live validation with tolerant parsing
  • One-click copy and export for docs, code or sheets
  • Batch and offline support under poor network

Notes

  • Process large images in batches
  • JPG drops alpha
  • Quality 70-85 balances size and fidelity

FAQ

Batch?
Yes, multi-select or folder drop.
Uploaded?
No, processing is local.
How is Image Merger different?
It runs locally with a focus on speed and privacy, plus tolerant parsing for “图片拼接、image merge” and one-click copy for reuse.
Can I use results in official reports?
Use it as a working draft and cross-check with authoritative sources; keep the exported log and parameters for traceability.
Tip：Tip: Bookmark this page or pin the tab; find related tools via categories and search (convert → calculate → export).
Colorful QR Code GeneratorColorful QR code generator: create QR codes with custom colors and size with logo and error correction for branding and events, one-click copy and offline. Crop Ratio CalculatorImage crop ratio calculator: enter original size and target ratio to get crop dimensions and keep area with preview for social and print, one-click copy and offline. เครื่องมือบีบอัดและปรับขนาดรูปภาพImage compressor: customize dimensions and quality to compress JPG, PNG and WebP keeping transparency for design, with one-click copy and offline. Image File Size EstimatorImage file size: estimate file size by resolution, bit depth and format with compression reference for upload and storage planning. Image FlipperImage flipper: flip images horizontally or vertically with rotation and download for composition and fun edits. Supports batch processing and one-click copy. Image Format ConverterImage format converter: convert between JPG, PNG and WebP with quality settings for design, with one-click copy and offline.

All calculations run locally in your browser; nothing is uploaded.