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Merge Images Online
Combine two images side by side or stacked. Fast, secure, and completely free — no signup required.
Rapide— Conversion instantanée
Privé— 100% sécurisé
Navigateur— Aucune installation
Gratuit— Toujours gratuit
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Comment utiliser Merge Images
Done in three simple steps — no account needed.
01
Upload two images in JPG, PNG, or WebP format.
02
Choose horizontal (side by side) or vertical (stacked) layout.
03
Preview alignment and scaling if heights or widths differ.
Pourquoi utiliser Merge Images ?
- Combine two images in one click
- Horizontal and vertical layout options
- Full-resolution composite output
- Ideal for before/after and variant showcases
- Free unlimited merges—no watermarks
- Pairs with compress and resize tools
Parfait pour
- Before-and-after renovation and fitness progress
- Side-by-side product color variant displays
- UI bug comparison screenshot documentation
- Dual-photo social posts without collage apps
01What is Merge Images?
ImgifyTools Merge Images combines two photos into a single canvas—side by side horizontally or stacked vertically—for comparison collages, before-and-after showcases, dual-product listings, and social carousel substitutes in one static frame. Real estate agents place room before-renovation next to after shots. Fitness creators show progress photos aligned on consistent backgrounds. E-commerce sellers display color variants without building full collage templates in Canva. Developers document UI bug comparisons with paired screenshots. Upload two JPG, PNG, or WebP files, choose layout direction, preview alignment, and download a unified image at combined dimensions. The tool handles mismatched heights by padding or scaling options when exposed, keeping subjects readable without manual canvas sizing in Photoshop. Free unlimited merges complement crop, flip, and compress tools for complete publish pipelines. No watermarks, no account gates—just fast dual-image composition for marketing, documentation, and personal projects that need two moments in one shareable file.
03How it works
Each uploaded image decodes to a bitmap. The merger creates a new canvas whose width equals the sum of both widths (horizontal layout) or whose height equals the sum of heights (vertical layout). Images align on the orthogonal axis—top-aligned for horizontal merges, left-aligned for vertical stacks unless center alignment is offered. Background fill typically uses white or transparent for PNG output when dimensions differ slightly. Optional scaling normalizes mismatched heights in horizontal mode so side-by-side comparisons look balanced. The composite encodes once as JPG or PNG at full combined resolution. Processing is server-side for speed on large phone photos. Download delivers a single file ready for Instagram posts, Slack updates, PDF embedding, or further compression.
04Common use cases and tips
Match dimensions before merging for cleanest results—crop both sources to the same height when building horizontal before/after fitness posts. Use PNG output when either source includes transparency from background remover workflows. For product color variants, photograph items at identical scale and lighting so merged pairs look professional. Developers merging screenshots should disable UI scaling differences between captures. After merge, run image compressor if combined file exceeds email or CMS limits. Vertical stacks suit mobile story dimensions; horizontal pairs excel on Twitter and blog content. Add labels externally in design tools when text annotations are required—this tool focuses on pure image combination.
ImgifyTools vs iloveimg
See how our free merge images compares to iloveimg on price, limits, and features.
Feature
ImgifyTools
iloveimg
Price
Free merge tool, unlimited
Free with ads; premium batch
Layout options
Horizontal and vertical stack
Side by side and grid options
Input count
Two images per merge
Multiple images on premium
Output quality
Full-resolution composite
Standard merge export
Transparency
PNG merge with alpha support
PNG available
Speed
Fast server-side compositing
Cloud merge processing
Suite
Crop, flip, compress same platform
Separate collage tools
02How to merge images online?
01
Upload two images in JPG, PNG, or WebP format.
02
Choose horizontal (side by side) or vertical (stacked) layout.
03
Preview alignment and scaling if heights or widths differ.
04
Select output format—PNG for transparency, JPG for smaller size.
05
Download the merged composite image.
Why use Merge Images?
Unlike many other platforms that compromise on quality or hide results behind paywalls, ImgifyTools offers high-fidelity output with a focus on speed and user privacy. No account creation is required to start transforming your images.
Combine two images in one click
Horizontal and vertical layout options
Full-resolution composite output
Ideal for before/after and variant showcases
Free unlimited merges—no watermarks
Pairs with compress and resize tools
Perfect For...
Before-and-after renovation and fitness progress
Side-by-side product color variant displays
UI bug comparison screenshot documentation
Dual-photo social posts without collage apps
Related guides
Frequently Asked Questions
Everything you need to know about the Merge Images.
Two images per session—chain merges externally for grids of three or more.
Tool aligns and may scale; matching dimensions beforehand yields cleanest layout.
Use PNG output when either input includes alpha from cutout workflows.
Horizontal places images side by side; vertical stacks top and bottom.
No—downloads are clean without ImgifyTools branding.
Yes—combined files may be large; compress after merging for web uploads.
Yes for images you own or have rights to combine.
Pure merge only—add text and frames in design tools afterward.
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