# Green Screen Remover > Free in-browser green and blue screen removal for photos and video. > Nothing is uploaded, no sign-up, no watermark. Origin: https://greenscreenremover.net - [Green Screen Remover — Remove Green Screen from Video & Image](https://greenscreenremover.net/): Free green screen remover that runs inside your browser. Drop a video or a photo shot on a green or blue screen, key the backdrop out, and download a transparent PNG, a PNG sequence or a transparent WebM. No upload, no sign-up, no watermark. - [Remove a Green Screen Without Uploading Anything](https://greenscreenremover.net/no-upload-green-screen-remover): How to key out a green or blue screen with nothing leaving your computer: no upload, no account, no queue. A browser-based green screen remover that works on video and photos, and why keeping the file local matters. - [Blue Screen Remover — Key Out a Blue Backdrop in Your Browser](https://greenscreenremover.net/blue-screen-remover): A blue screen remover that runs locally: drop a photo or clip shot against a blue backdrop and export a transparent PNG, PNG sequence or WebM. No upload, no account, no watermark. - [Chroma Key Benchmark — What We Measured and Where It Fails](https://greenscreenremover.net/chroma-key-benchmark): A reproducible chroma key benchmark on synthetic 320x240 fixtures: Cb/Cr distance keying versus two naive baselines, with mean IoU, oracle thresholds, and the two fixtures a single global threshold cannot solve. - [Remove Green Screen from Video — Export Transparent WebM, No Upload](https://greenscreenremover.net/remove-green-screen-from-video): Remove a green screen from a video in your browser: the backdrop is keyed out frame by frame and you export a transparent WebM or a PNG sequence. No upload, no account, no watermark. - [Transparent Background Video — Formats That Actually Carry Alpha](https://greenscreenremover.net/transparent-background-video): How to make a video with a transparent background: which formats carry an alpha channel, why MP4 cannot, why transparent clips often play on black, and how to export one in your browser with no upload. - [Remove Green Background from Photo — Export a Transparent PNG](https://greenscreenremover.net/remove-green-background-from-photo): Remove a green background from a photo in your browser: the backdrop is keyed out and you download a transparent PNG at the full resolution of the original. No upload, no account, no watermark. - [Green Screen Lighting Guide — Light the Backdrop So the Key Comes Out Clean](https://greenscreenremover.net/green-screen-lighting-guide): How to light a green screen so a chroma key comes out clean: light the backdrop on its own, light the subject separately, keep them apart, kill the bounce — plus the measurements behind why an uneven screen fails. - [Blue Screen vs Green Screen — How to Choose, and What Breaks](https://greenscreenremover.net/blue-screen-vs-green-screen): Blue screen or green screen: what each one is good at, the luminance gap between them, why most green-only keyers score zero on blue, and the cases where neither works. - [OBS Chroma Key Settings — What Similarity, Smoothness and Spill Do](https://greenscreenremover.net/green-screen-obs-settings): What OBS's chroma key sliders actually change: Similarity, Smoothness and Spill Reduction, described in terms of the threshold maths they run on, with the measurements behind each one. - [Green Screen Spill Suppression — Why Edges Go Green and How to Fix It](https://greenscreenremover.net/green-screen-spill-suppression): What green screen spill is, why the rim of your subject turns green, what spill removal does to the pixels, and the cases where no slider fixes it — with the measurements behind each claim. - [Transparent WebM Explained — Which Players and Editors Keep the Alpha](https://greenscreenremover.net/transparent-webm-explained): What a transparent WebM is, how VP9 carries an alpha channel, where the transparency gets dropped, why the file has no duration, and how to test whether the alpha survived. - [PNG Sequence vs Transparent WebM — Which Export to Pick](https://greenscreenremover.net/png-sequence-vs-webm): PNG sequence or transparent WebM: what each one keeps, why the sequence is lossless and heavy, why WebM is small and lossy, the 1200-frame ceiling, the real-time recording limit, and how to choose between them. - [Green Screen Tolerance Explained — What the Slider Actually Changes](https://greenscreenremover.net/green-screen-tolerance-explained): What the tolerance slider on a chroma key really does: it moves one threshold measured in the Cb/Cr plane, in units you can read, plus the measurements that show where raising it fixes a shadowed screen and where it eats your subject. - [Remove White Background Without a Green Screen — What Actually Works](https://greenscreenremover.net/remove-white-background-without-green-screen): No green screen? What a chroma key can and cannot do with a white wall: why a neutral backdrop falls back to a luminance key, the margin that leaves you, and where it stops working. - [Green Screen for YouTube Shorts — Shoot Vertical Footage That Keys Clean](https://greenscreenremover.net/green-screen-for-youtube-shorts): How to shoot and key green screen footage for vertical short video: why the tall frame makes the lighting worse, the 1200-frame ceiling on PNG export, and the shots that never come out clean. - [DIY Green Screen at Home — Materials, Size and Wrinkles That Actually Key](https://greenscreenremover.net/diy-green-screen-at-home): How to set up a green screen at home that actually keys clean: which materials work, how big to make it, why wrinkles are the one thing that wrecks the matte, and what a DIY screen cannot fix. - [Green Screen Video Export Settings — Resolution, Frame Rate and Alpha](https://greenscreenremover.net/green-screen-video-export-settings): What resolution, frame rate and alpha a green screen export actually keeps: the three formats this tool writes, what each one does to your source, and the settings it does not offer. - [Green Screen Remover Without a Watermark — Clean Exports, No Logo](https://greenscreenremover.net/green-screen-remover-no-watermark): Why so many green screen tools stamp a logo on the free export, what running the key in your own browser changes, and what you give up instead of a watermark. - [Chroma Key Artifacts — Dark Rims, Green Fringes, Jagged Edges and Flicker](https://greenscreenremover.net/chroma-key-artifacts): Every common chroma key artifact and what actually causes it: the dark rim, the green fringe, holes in the subject, stair-stepped edges and edges that boil on video — with the synthetic-fixture measurements behind each one. - [Green Screen File Size Limits — How Big a Clip Can You Key?](https://greenscreenremover.net/green-screen-file-size-limits): No upload means no file size cap: why this green screen remover takes a file of any size, what limits you instead — tab memory, the browser decoder, the 1200-frame ceiling and real-time recording — and how to get a long clip through. - [Transparent PNG Alpha — Why Keyed Edges Go White or Dark](https://greenscreenremover.net/transparent-png-alpha-explained): What the alpha channel in a transparent PNG really stores: straight alpha, 8-bit coverage, why the same keyed edge looks white on a dark page and dark on a white one, and what this browser keyer writes into the file. - [Green Screen for Zoom and Meetings — What a Real Key Adds](https://greenscreenremover.net/green-screen-for-zoom-and-meetings): A meeting app replaces your background live; a keyer gives you a transparent file you can reuse. What each one actually does, why a meeting recording cannot be keyed back, and how a desk setup fails — with the synthetic-fixture measurements behind it. - [Keying Hair and Transparent Edges — What a Chroma Key Can and Cannot Do](https://greenscreenremover.net/keying-hair-and-transparent-edges): Flyaway hair, smoke, glass and motion blur: why semi-transparent edges break a colour key, what the edge slider actually changes, and the cases where no slider gets you a clean matte. - [Chroma Key vs Luma Key — How This Tool Decides Which One to Use](https://greenscreenremover.net/chroma-key-vs-luma-key): Chroma key or luma key: the one line that picks between them, why a white wall falls back to brightness, what changes when it flips, and where neither one separates anything. - [About — Green Screen Remover](https://greenscreenremover.net/about): Who runs Green Screen Remover, what the tool actually does, why it is free, how it is built, and what it deliberately does not do. - [Privacy Policy — Green Screen Remover](https://greenscreenremover.net/privacy): How Green Screen Remover handles your files and your data: local processing, no upload, no account, no advertising, and what the one disclosed affiliate link means for third-party tracking. - [Contact — Green Screen Remover](https://greenscreenremover.net/contact): How to reach Green Screen Remover: the contact address, what to include in a bug report, and what we cannot help with. - [Green Screen Camera Settings: Shutter, Frame Rate and ISO | Green Screen Remover](https://greenscreenremover.net/green-screen-camera-settings): Choose camera settings for cleaner green screen footage: control motion blur, exposure, ISO, focus and white balance, then test the actual key before recording. - [Green Screen for Product Photos: From Cutout to White Background | Green Screen Remover](https://greenscreenremover.net/green-screen-for-product-photos): How to shoot and key product photos, preserve real product colours, check transparent PNG edges, and prepare a white background without losing important details. - [Why Green Screen Edges Look Jagged: Pixels, Resolution and Feathering](https://greenscreenremover.net/why-green-screen-edges-look-jagged): Diagnose jagged green screen edges, separate scaling artifacts from a hard matte, and adjust tolerance and feathering without erasing useful detail. - [Green Screen vs AI Background Removal: Which Workflow Fits?](https://greenscreenremover.net/green-screen-vs-ai-background-removal): Choose between chroma key and AI background removal by looking at your footage, subject, edge detail and export needs, with practical tests and honest limits. - [Green Screen Wrinkles and Shadows: Fix the Backdrop Before Keying](https://greenscreenremover.net/green-screen-wrinkles-and-shadows): Fix green screen wrinkles and shadows before recording, diagnose leftover patches, and adjust the key without damaging your subject, with practical limits. - [Green Screen Clothing: Colors and Materials to Avoid](https://greenscreenremover.net/green-screen-clothing-colors-to-avoid): Choose clothing for green screen filming: avoid color overlap, test reflective fabrics and fine patterns, and learn when wardrobe changes cannot save a key. - [Green Screen Distance from Subject: Spill, Shadows and Focus](https://greenscreenremover.net/green-screen-distance-from-subject): Find a workable subject-to-green-screen distance by testing spill, shadows, framing and focus, with practical steps for small rooms and honest limits. ## For machines - API catalog: https://greenscreenremover.net/.well-known/api-catalog - OpenAPI: https://greenscreenremover.net/openapi.json - MCP endpoint: https://greenscreenremover.net/mcp - Structured content: https://greenscreenremover.net/ai/content.json - Markdown versions: request any page with `Accept: text/markdown`