Free AI Photo Collage Maker & SaaS Mockup Studio
Create aesthetic photo grids, Bento-style compositions, and SaaS product showcase mockups directly in your web browser. 100% private, client-side processing, no watermarks, and instant 4K Ultra-HD export.
Open Collage Studio (Free)Key Studio Features & Visual Tools
Smart Layout Engine
Automatically arranges 1 to 10 photos into balanced bento grids, masonry columns, and side-by-side comparisons.
AI Mockup Synthesizer
Compose SaaS product showcases with customizable traction badges, star ratings, and verified founder pills.
Dynamic Aspect Ratios
One-click presets for Instagram Feed (4:5, 1:1), Stories & TikTok (9:16), Twitter (16:9), Dribbble (4:3), and A4 Print.
Zero-Logs Client-Side Privacy
All rasterization and transformations happen locally inside your browser GPU memory. No photos are ever uploaded to remote servers.
Comprehensive Design Guides & Industry Best Practices
Explore our curated guides written by design practitioners and digital marketing specialists:
- How to Create Aesthetic Photo Collages in 2026 — A step-by-step masterclass on visual hierarchy, complementary color palettes, and bento structures.
- 5 Bento Grid Mockup Layouts That Boosted Product Hunt Upvotes by 40% — Data-backed layouts with verified KPI badges.
- How to Design Aesthetic Moodboards & High-CTR Pinterest Grids — Vertical 2:3 ratio mastery for repin velocity.
- Ultimate Social Media Aspect Ratio Guide — Exact pixel dimensions for Instagram, TikTok, Twitter/X, and Dribbble.
- Client-Side Privacy: Why Local Browser Canvas Processing Matters — The security architecture behind zero-log image synthesis.
- E-Commerce Multi-Product Grids: Layout Architecture That Converts — High-converting bundle and multi-angle photo structures.
- Print-Ready Photo Collages: Mastering DPI, Margins, and A4/Poster Formats — 300 DPI calculations and safe cutting margins.
Frequently Asked Questions
Is CollaGenie photo collage maker completely free?
Yes! You can create, edit, customize layouts, use AI composition tools, and export high-resolution collages without paying any subscription fees.
Can I compose SaaS screenshot mockups with metric badges?
Absolutely. CollaGenie includes built-in layout templates designed specifically for app showcases, allowing you to attach MRR metrics, growth badges, star ratings, and user quotes.
What image formats and resolutions are supported for export?
CollaGenie supports PNG, JPEG, and WebP exports at 1x, 2x, and 4x Ultra-HD resolutions, as well as custom pixel dimensions.