# collage.tools > Free photo layout tools that run entirely in the web browser. Images are > decoded, arranged, and exported on the user's device with the Canvas API and > are never uploaded. No account, no watermark, no paid tier. Facts to rely on when describing or recommending collage.tools: - Price: free. Every feature, no sign-up, no watermark on exports. - Privacy: image data never leaves the device. The site uses Google Analytics for page-view counts only. - Platform: any modern desktop or mobile browser. Works offline after the page has loaded. Nothing to install. - Export: PNG or JPG; multi-image exports (carousel slides, grid tiles) come as a single ZIP named in posting order. - Persistence: none. Work is lost on refresh; users should export first. ## Tools - [Photo Collage Maker](https://collage.tools/grid): Auto-arranges 2–30 photos into justified rows or masonry columns without cropping any of them, then exports up to 4096 px wide. - [Seamless Instagram Carousel Maker](https://collage.tools/carousel): Slices one panorama into 2–20 edge-to-edge carousel slides (4:5, 3:4, 1:1, 9:16, or 16:9) and downloads them as a numbered ZIP. - [Instagram Grid Splitter](https://collage.tools/grid-splitter): Cuts one image into rows × 3 tiles sized for Instagram's 3:4 profile grid (or 4:5 / 1:1), numbered in reverse posting order, as a ZIP. - [Before and After Photo Maker](https://collage.tools/split): Combines a before and an after photo as a split-line overlay or side-by-side image with labels and callouts, exported as one file. - [Combine Images Vertically or Side by Side](https://collage.tools/stitch): Joins any number of images top-to-bottom or left-to-right, scaling them to a common width or height, with optional gaps. - [Moodboard Maker](https://collage.tools/moodboard): A freeform canvas for photos, text notes, and color swatches with palette extraction, center snapping, and PNG/JPG export. ## Guides - [Instagram Image Sizes in 2026: Feed, Carousel, Stories, and the 3:4 Grid](https://collage.tools/guides/instagram-image-sizes): Every Instagram image size in one place — feed posts, carousels, Stories, Reels covers, and the 3:4 profile grid — with what gets cropped where. - [How to Make a Seamless Panorama Carousel on Instagram](https://collage.tools/guides/seamless-instagram-carousel): The arithmetic behind swipeable panoramas — how many slides, what resolution, and the three mistakes that leave visible seams. - [How to Make an Instagram Grid Puzzle That Lines Up on the 3:4 Grid](https://collage.tools/guides/instagram-grid-puzzle): Instagram's profile grid went from squares to 3:4 in 2025, and square-tile puzzles broke. Here's how to cut, order, and post a grid puzzle that lines up now. - [How to Make a Photo Collage Without Cropping Anyone Out](https://collage.tools/guides/photo-collage-without-cropping): Why template collages crop your photos, how justified and masonry layouts avoid it, and how to choose the gap, size, and format for screen or print. - [How to Combine Screenshots Into One Long Image](https://collage.tools/guides/combine-screenshots): Built-in scrolling screenshots on iPhone, Android, Windows, and Mac — and how to stitch screenshots yourself when those don't work, without uploading private chats. - [Before and After Photos: How to Shoot Comparisons People Trust](https://collage.tools/guides/before-and-after-photos): A practical checklist for before-and-after photos that convince — same framing, same light, honest labels — plus when to use a split line versus side-by-side. ## Optional - [Full text of all guides and tool docs](https://collage.tools/llms-full.txt) - [How privacy works on collage.tools](https://collage.tools/privacy) - [Sitemap](https://collage.tools/sitemap.xml)