{"id":263642,"date":"2026-08-24T11:54:23","date_gmt":"2026-08-24T18:54:23","guid":{"rendered":"https:\/\/picsart.com\/blog\/?p=263642"},"modified":"2026-08-24T11:54:23","modified_gmt":"2026-08-24T18:54:23","slug":"replace-object-in-video-with-ai","status":"publish","type":"post","link":"https:\/\/picsart.com\/blog\/replace-object-in-video-with-ai\/","title":{"rendered":"How to replace an object in a video with AI"},"content":{"rendered":"<p>To replace an object in a video with AI, edit one frame from the clip first, approve it, then let a video model rebuild the rest of the footage to match that frame. You name the object, describe what it should become, and the workflow writes both prompts for you.<\/p>\n<p>The order is what makes it work. Editing a single still takes seconds and you can look at it before committing, so the video model ends up matching a picture you already approved instead of interpreting a sentence you hoped would land.<\/p>\n<p>The eight steps below run that chain in Picsart Flow, on the shots that are actually hard: an object held, moving, and lit by the same light as everything else in frame.<\/p>\n<h2><span id=\"What_replacing_an_object_in_a_video_actually_means\">What replacing an object in a video actually means<\/span><\/h2>\n<p>Swapping an object in a video is not an edit applied to a shape. The model has to generate a new object, place it exactly where the old one sat, and then keep it there while the camera moves and the light changes.<\/p>\n<p>The new object is the easy part. What decides whether the shot holds together is everything that must not move:<\/p>\n<ul>\n<li>The size, position, and angle the original object occupied<\/li>\n<li>The depth of field at that distance from the lens<\/li>\n<li>The motion blur the camera was already producing<\/li>\n<li>The color grade running across the whole shot<\/li>\n<li>The light landing on the object, and anything it reflects onto nearby surfaces<\/li>\n<li>The hands, if someone is holding it<\/li>\n<\/ul>\n<p>That last one is where most attempts fall apart. A hand wrapped around a swapped object has to close around the new shape convincingly, and keep closing around it for the length of the clip.<\/p>\n<h2><span id=\"Why_editing_one_frame_beats_prompting_the_whole_clip\">Why editing one frame beats prompting the whole clip<\/span><\/h2>\n<p>Describing the change straight to a video model is one instruction covering hundreds of frames, and you find out whether it worked only after the render finishes. Pulling a still out first and editing that instead changes three things at once:<\/p>\n<ul>\n<li><strong>You can inspect it.<\/strong> A still renders in seconds and shows you exactly what the change looks like before you commit to a full clip.<\/li>\n<li><strong>You can correct it.<\/strong> If the new object is wrong, you fix it on one image instead of re-rolling the whole render.<\/li>\n<li><strong>Consistency has something to anchor to.<\/strong> The video model is no longer interpreting a sentence. It is matching a picture you already approved.<\/li>\n<\/ul>\n<h2><span id=\"What_you_need_before_you_start\">What you need before you start<\/span><\/h2>\n<ul>\n<li>A clip with the object visible in most frames<\/li>\n<li>A clear idea of what it should become<\/li>\n<li>A look at the shot to check whether anything is reflecting off the object<\/li>\n<\/ul>\n<p>Nothing else. You do not need to write a prompt, and you do not need to mask anything by hand.<\/p>\n<h2><span id=\"How_to_replace_an_object_in_a_video_with_Picsart_Flow\">How to replace an object in a video with Picsart Flow<\/span><\/h2>\n<h3>Step 1. Open the template in Picsart Flow<\/h3>\n<p>Start from <a href=\"https:\/\/picsart.com\/flow\/templates\/d37a135f3707c037b64ce4e8d83c556cb976c0473eaea16c2de2a96067cf667f\">Video Object Replacement for Prop Swaps<\/a>. The canvas opens with the whole chain already wired: the input clip, a frame pulled from it, an instruction field, two prompt nodes, an edited frame, and the output.<\/p>\n<p>Nothing needs rebuilding. You are filling in two lines and reading what the chain produces.<\/p>\n<h3>Step 2. Add your clip<\/h3>\n<p>Drop your video into the input node. The example that ships with the template is a portrait street vlog shot, eight seconds, with a handheld microphone in frame throughout.<\/p>\n<p>Short clips are easier. Every extra second is more footage that has to stay consistent with itself. The clips that come out cleanest share three things:<\/p>\n<ul>\n<li>The object stays in frame from start to finish<\/li>\n<li>The camera moves smoothly or not at all<\/li>\n<li>Nothing crosses between the camera and the object<\/li>\n<\/ul>\n<h3>Step 3. Name what should be changed<\/h3>\n<p>The instruction node has two labels, and the first one is a single line. Name the object the way you would point at it out loud.<\/p>\n<p>Write `microphone`, not `the dark grey foam-tipped handheld microphone in the lower left of the frame`. The chain expands the description later. Your job here is to identify one thing unambiguously.<\/p>\n<p>If two similar objects are in frame and only one is changing, add just enough detail to separate them.<\/p>\n<h3>Step 4. Describe what it should become<\/h3>\n<p>The second label takes one sentence. Describe the new object, and tell the chain what to carry over from the old one.<\/p>\n<p>The instruction that ships with the template is 27 words. Hold that number, because of what happens next.<\/p>\n<section class=\"try_prompt_block\" data-pulse-section-group=\"blog article\">\n    <h3 class=\"try_prompt_title\">Swap the object<\/h3>\n\n    <div class=\"try_prompt_card\" data-pulse-section=\"blog article_try prompt\">\n        <p class=\"try_prompt_text\" id=\"try-prompt-6a8cc52408f73-text\">WHAT SHOULD BE CHANGED: microphone. EXPECTED CHANGE: replace the mic with a pink toy mic that keeps the same size, position, and lighting as the original mic<\/p>\n\n        <button type=\"button\"\n                class=\"try_prompt_copy\"\n                data-copy-target=\"#try-prompt-6a8cc52408f73-text\"\n                aria-label=\"Copy prompt\"\n                title=\"Copy prompt\"\n                data-pulse-name=\"try prompt - copy\">\n            <img class=\"try_prompt_copy_icon\"\n                 src=\"https:\/\/cdn-cms-uploads.picsart.com\/cms-uploads\/79a9b2ac-f4c9-436b-b388-a05a484adf00.png\"\n                 alt=\"\"\n                 width=\"20\" height=\"20\"\n                 loading=\"lazy\" decoding=\"async\">\n            <svg class=\"try_prompt_check_icon\" viewBox=\"0 0 24 24\" width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\">\n                <polyline points=\"5,12 10,17 19,7\"><\/polyline>\n            <\/svg>\n            <span class=\"try_prompt_copy_tooltip\" role=\"status\" aria-live=\"polite\">Copied<\/span>\n        <\/button>\n    <\/div>\n\n    <\/section>\n\n<p>The phrase doing the real work is the second half. Naming what stays the same is what keeps the new object welded to the shot instead of floating on top of it.<\/p>\n<h3>Step 5. Read the image prompt the workflow writes<\/h3>\n<p>Your 27 words arrive at a prompt node that turns them into a 400-word image edit specification. It is structured rather than prose, covering the primary objective, the subject being edited, and the replacement described down to material and finish.<\/p>\n<p>In the shipped example it identifies the microphone as the object in the subject&#8217;s right hand, then specifies bright pink plastic with a slight sheen, rounded toy-like construction, and a ball-style top.<\/p>\n<p>You write none of this. You can read it, which is the point. If the chain misidentified the object, you see it here, before anything renders.<\/p>\n<h3>Step 6. Approve the edited frame before anything renders<\/h3>\n<p>The specification goes to an image node running <a href=\"https:\/\/picsart.com\/ai-models\/nano-banana-2\/\">Nano Banana 2<\/a>, which produces the edited still. Same pose, same background, same light, one thing different. Open it at full size and check in this order:<\/p>\n<ul>\n<li>Is the right object changed?<\/li>\n<li>Does the new object sit at the same size and angle as the old one?<\/li>\n<li>Do the hands still make sense around it?<\/li>\n<li>Did anything else in the frame quietly shift?<\/li>\n<\/ul>\n<p>The fourth check catches the most damage. Image edits sometimes adjust a face or a background detail nobody asked about, and once that frame becomes the reference, the whole clip inherits it. Fix problems here, at the cheapest point in the workflow.<\/p>\n<h3>Step 7. Check what the video prompt protects<\/h3>\n<p>The approved frame goes to a second prompt node, which writes the video instruction. This one runs 109 words, and reading it is the most useful thirty seconds in the process.<\/p>\n<p>It spends one clause on the change. Everything else lists what must stay identical:<\/p>\n<ul>\n<li>Size, spatial position, and orientation<\/li>\n<li>Perspective<\/li>\n<li>Lighting conditions and shadows<\/li>\n<li>Environmental reflections on the object&#8217;s surface<\/li>\n<li>Hand positions and grips<\/li>\n<li>Movements and interactions<\/li>\n<li>Subjects and backgrounds<\/li>\n<li>Camera movement and color grading<\/li>\n<li>Audio<\/li>\n<\/ul>\n<p>Sixteen protections, one edit. That ratio is not padding, it is the craft of the job. Object replacement in video is a preservation problem wearing the costume of a substitution problem, and the generated prompt makes that visible.<\/p>\n<p>It also explains why hand-written prompts underperform here. Most people write the change and forget the list.<\/p>\n<h3>Step 8. Generate and inspect the result<\/h3>\n<p>Run the workflow. The approved frame and the video prompt both go to <a href=\"https:\/\/picsart.com\/ai-models\/kling-3-0\/\">Kling 3.0 Omni<\/a> in edit mode, which rebuilds the clip to match the frame you signed off on.<\/p>\n<p>Watch the output at full size rather than as a thumbnail. Thumbnails hide exactly the artifacts you are looking for.<\/p>\n<p>Three moments fail first, in this order:<\/p>\n<ul>\n<li>Where the object moved fastest<\/li>\n<li>Where it crossed in front of something detailed<\/li>\n<li>Where hands made contact with it<\/li>\n<\/ul>\n<p>If one section breaks, shorten the clip to the part you need and run it again rather than trying to fix a long render with a longer instruction.<\/p>\n<h2><span id=\"One_shoot_every_product_variant\">One shoot, every product variant<\/span><\/h2>\n<p>The playful version of this is a prop swap. The template turns a reporter&#8217;s microphone into a child&#8217;s pink toy mic, and the distance between the serious framing and the silly prop is the whole gag. Prop swaps are cheap content because the shot already exists.<\/p>\n<p>The commercial version matters more. Shoot one clip of a creator talking to camera with a product in hand, then swap the product. Same creator, same take, same delivery, different item. One shoot gives you:<\/p>\n<ul>\n<li>A variant per colorway<\/li>\n<li>A variant per SKU<\/li>\n<li>A regional version with a different pack<\/li>\n<li>A seasonal version on the same performance<\/li>\n<\/ul>\n<p>Ad variants only hold up if the performance is identical across them, and identical is exactly what the generated video prompt spends most of its words demanding.<\/p>\n<p><section class=\"tips_block\" data-pulse-section-group=\"blog article\">\n    <h3 class=\"tips_title\">Tips for a clean replacement<\/h3>\n\n    <div class=\"tips_list\" data-pulse-section=\"blog article_tips\">\n                    <article class=\"tips_item\">\n                <div class=\"tips_item_header\">\n                    <span class=\"tips_item_icon\" aria-hidden=\"true\"><\/span>\n                    <h4 class=\"tips_item_title\">Name the object plainly<\/h4>\n                <\/div>\n                <p class=\"tips_item_body\">One or two words beats a full description. The chain writes the detail.<\/p>\n            <\/article>\n                    <article class=\"tips_item\">\n                <div class=\"tips_item_header\">\n                    <span class=\"tips_item_icon\" aria-hidden=\"true\"><\/span>\n                    <h4 class=\"tips_item_title\">Say what carries over<\/h4>\n                <\/div>\n                <p class=\"tips_item_body\">Size, position and lighting are the three worth naming every time.<\/p>\n            <\/article>\n                    <article class=\"tips_item\">\n                <div class=\"tips_item_header\">\n                    <span class=\"tips_item_icon\" aria-hidden=\"true\"><\/span>\n                    <h4 class=\"tips_item_title\">Keep clips short<\/h4>\n                <\/div>\n                <p class=\"tips_item_body\">Cut to the seconds you actually need before you run anything.<\/p>\n            <\/article>\n                    <article class=\"tips_item\">\n                <div class=\"tips_item_header\">\n                    <span class=\"tips_item_icon\" aria-hidden=\"true\"><\/span>\n                    <h4 class=\"tips_item_title\">Prefer shots where the object stays in frame<\/h4>\n                <\/div>\n                <p class=\"tips_item_body\">Objects that leave and re-enter have to be rebuilt on arrival.<\/p>\n            <\/article>\n                    <article class=\"tips_item\">\n                <div class=\"tips_item_header\">\n                    <span class=\"tips_item_icon\" aria-hidden=\"true\"><\/span>\n                    <h4 class=\"tips_item_title\">Watch the hands<\/h4>\n                <\/div>\n                <p class=\"tips_item_body\">Contact points break before anything else does.<\/p>\n            <\/article>\n                    <article class=\"tips_item\">\n                <div class=\"tips_item_header\">\n                    <span class=\"tips_item_icon\" aria-hidden=\"true\"><\/span>\n                    <h4 class=\"tips_item_title\">Check reflections<\/h4>\n                <\/div>\n                <p class=\"tips_item_body\">A new object throws different light onto nearby surfaces, and that has to be handled too.<\/p>\n            <\/article>\n                    <article class=\"tips_item\">\n                <div class=\"tips_item_header\">\n                    <span class=\"tips_item_icon\" aria-hidden=\"true\"><\/span>\n                    <h4 class=\"tips_item_title\">Inspect the still, not the render<\/h4>\n                <\/div>\n                <p class=\"tips_item_body\">Every problem is cheaper to fix one step earlier.<\/p>\n            <\/article>\n                    <article class=\"tips_item\">\n                <div class=\"tips_item_header\">\n                    <span class=\"tips_item_icon\" aria-hidden=\"true\"><\/span>\n                    <h4 class=\"tips_item_title\">Re-run rather than over-write<\/h4>\n                <\/div>\n                <p class=\"tips_item_body\">A longer instruction rarely rescues a bad result.<\/p>\n            <\/article>\n            <\/div>\n<\/section>\n<br \/>\n<section class=\"section_faq\" id=\"faq-faq-6a8cc5240932e\">\n            <h2 class=\"faq_title\" id=\"Get_answers_to_common_questions\">Get answers to common questions<\/h2>\n    \n    <div class=\"faq_items\">\n                    <div class=\"faq_item faq_item--active\">\n                <button type=\"button\" class=\"faq_question\" aria-expanded=\"true\">\n                    <span class=\"faq_question_text\">Can AI replace an object in a video?<\/span>\n                    <svg class=\"faq_chevron\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                        <path d=\"M6 9L12 15L18 9\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                    <\/svg>\n                <\/button>\n                <div class=\"faq_answer\" aria-hidden=\"false\">\n                    <div class=\"faq_answer_content\"><p>Yes. The model generates the new object, places it where the original sat, and matches it across the surrounding frames. Quality depends on how much of the original context you tell it to preserve.<\/p>\n<\/div>\n                <\/div>\n                <div class=\"faq_divider\"><\/div>\n            <\/div>\n                    <div class=\"faq_item \">\n                <button type=\"button\" class=\"faq_question\" aria-expanded=\"false\">\n                    <span class=\"faq_question_text\">What makes an object hard to replace?<\/span>\n                    <svg class=\"faq_chevron\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                        <path d=\"M6 9L12 15L18 9\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                    <\/svg>\n                <\/button>\n                <div class=\"faq_answer\" aria-hidden=\"true\" data-collapsed>\n                    <div class=\"faq_answer_content\"><p>Movement, contact, and detail behind it. An object held in a hand, crossing a busy background, in a moving shot is the hard case. A static object against a plain wall is the easy one.<\/p>\n<\/div>\n                <\/div>\n                <div class=\"faq_divider\"><\/div>\n            <\/div>\n                    <div class=\"faq_item \">\n                <button type=\"button\" class=\"faq_question\" aria-expanded=\"false\">\n                    <span class=\"faq_question_text\">Why edit a single frame instead of the whole video?<\/span>\n                    <svg class=\"faq_chevron\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                        <path d=\"M6 9L12 15L18 9\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                    <\/svg>\n                <\/button>\n                <div class=\"faq_answer\" aria-hidden=\"true\" data-collapsed>\n                    <div class=\"faq_answer_content\"><p>You can look at a still before committing to a render, and the approved still gives the video model something concrete to match instead of a sentence to interpret.<\/p>\n<\/div>\n                <\/div>\n                <div class=\"faq_divider\"><\/div>\n            <\/div>\n                    <div class=\"faq_item \">\n                <button type=\"button\" class=\"faq_question\" aria-expanded=\"false\">\n                    <span class=\"faq_question_text\">Do I have to write the prompts myself?<\/span>\n                    <svg class=\"faq_chevron\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                        <path d=\"M6 9L12 15L18 9\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                    <\/svg>\n                <\/button>\n                <div class=\"faq_answer\" aria-hidden=\"true\" data-collapsed>\n                    <div class=\"faq_answer_content\"><p>No. You write one short instruction naming the object and what it should become. The workflow expands it into an image specification and a video prompt.<\/p>\n<\/div>\n                <\/div>\n                <div class=\"faq_divider\"><\/div>\n            <\/div>\n                    <div class=\"faq_item \">\n                <button type=\"button\" class=\"faq_question\" aria-expanded=\"false\">\n                    <span class=\"faq_question_text\">How long can the clip be?<\/span>\n                    <svg class=\"faq_chevron\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                        <path d=\"M6 9L12 15L18 9\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                    <\/svg>\n                <\/button>\n                <div class=\"faq_answer\" aria-hidden=\"true\" data-collapsed>\n                    <div class=\"faq_answer_content\"><p>Shorter is more reliable. Trim to the section you need before running the workflow.<\/p>\n<\/div>\n                <\/div>\n                <div class=\"faq_divider\"><\/div>\n            <\/div>\n            <\/div>\n<\/section>\n\n<script type=\"application\/ld+json\">\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can AI replace an object in a video?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The model generates the new object, places it where the original sat, and matches it across the surrounding frames. 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Name the object, describe what it should become, and check the edited frame before you render.<\/p>\n<p>Open <a href=\"https:\/\/picsart.com\/flow\/templates\/d37a135f3707c037b64ce4e8d83c556cb976c0473eaea16c2de2a96067cf667f\">Video Object Replacement for Prop Swaps<\/a> to start, or browse the rest of the <a href=\"https:\/\/picsart.com\/flow\/templates\/\">Picsart Flow templates<\/a> for the neighbouring jobs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To replace an object in a video with AI, edit one frame from the clip first, approve it, then let a video model rebuild the rest of the footage to match that frame. You name the object, describe what it should become, and the workflow writes both prompts for you. The order is what makes &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/picsart.com\/blog\/replace-object-in-video-with-ai\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;How to replace an object in a video with AI&#8221;<\/span><\/a><\/p>\n","protected":false},"author":146,"featured_media":195627,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_title":"How to replace an object in a video with AI %%page%% %%sep%% %%sitename%%","_yoast_wpseo_metadesc":"Replace an object in a video with AI. Edit one frame, approve it, then let the video model match it across the clip. A step by step Picsart Flow workflow.","faq_show":true,"faq_enable_schema":true,"how_to_show":false,"how_to_show_on_single":false,"how_to_enable_schema":false,"how_to_is_upload":false,"faq_title":"Get answers to common questions","how_to_title":"How to replace an object in a video with Picsart Flow","how_to_layout":"default","how_to_cta_text":"","how_to_cta_url":"https:\/\/picsart.com\/flow\/templates\/d37a135f3707c037b64ce4e8d83c556cb976c0473eaea16c2de2a96067cf667f","how_to_image_alt":"","how_to_display_image":0,"faq_items":null,"how_to_steps":[],"prompt_box_show":false,"prompt_box_placeholder":"","prompt_box_deeplink":"","prompt_box_submit_label":"","footnotes":""},"categories":[3181,1673],"tags":[],"class_list":["post-263642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","category-how-tos","entry"],"acf":{"footer_banner_name":"Start replacing objects in your footage","footer_banner_link_":"https:\/\/picsart.com\/flow\/templates\/d37a135f3707c037b64ce4e8d83c556cb976c0473eaea16c2de2a96067cf667f","footer_banner_button_text_":"Open the template","faq_show":true,"faq_title":"Get answers to common questions","faq_enable_schema":true,"faq_items":[{"question":"Can AI replace an object in a video?","answer":"Yes. The model generates the new object, places it where the original sat, and matches it across the surrounding frames. Quality depends on how much of the original context you tell it to preserve."},{"question":"What makes an object hard to replace?","answer":"Movement, contact, and detail behind it. An object held in a hand, crossing a busy background, in a moving shot is the hard case. A static object against a plain wall is the easy one."},{"question":"Why edit a single frame instead of the whole video?","answer":"You can look at a still before committing to a render, and the approved still gives the video model something concrete to match instead of a sentence to interpret."},{"question":"Do I have to write the prompts myself?","answer":"No. You write one short instruction naming the object and what it should become. The workflow expands it into an image specification and a video prompt."},{"question":"How long can the clip be?","answer":"Shorter is more reliable. Trim to the section you need before running the workflow."}],"how_to_show":false,"how_to_show_on_single":false,"how_to_title":"How to replace an object in a video with Picsart Flow","how_to_layout":"default","how_to_steps":null,"how_to_enable_schema":false,"how_to_is_upload":true,"how_to_cta_text":"","how_to_cta_url":"https:\/\/picsart.com\/flow\/templates\/d37a135f3707c037b64ce4e8d83c556cb976c0473eaea16c2de2a96067cf667f","how_to_display_image":null,"how_to_image_alt":"","prompt_box_show":false,"prompt_box_placeholder":"","prompt_box_deeplink":"https:\/\/picsart.com\/create\/editor?category=miniapps&app=com.picsart.aura","prompt_box_submit_label":"Create","try_prompt_show":false,"try_prompt_title":"Try this prompt","try_prompt_text":"","try_prompt_deeplink":"","tips_show":true,"tips_title":"Tips for a clean replacement","tips_items":[{"title":"Name the object plainly","body":"One or two words beats a full description. The chain writes the detail."},{"title":"Say what carries over","body":"Size, position and lighting are the three worth naming every time."},{"title":"Keep clips short","body":"Cut to the seconds you actually need before you run anything."},{"title":"Prefer shots where the object stays in frame","body":"Objects that leave and re-enter have to be rebuilt on arrival."},{"title":"Watch the hands","body":"Contact points break before anything else does."},{"title":"Check reflections","body":"A new object throws different light onto nearby surfaces, and that has to be handled too."},{"title":"Inspect the still, not the render","body":"Every problem is cheaper to fix one step earlier."},{"title":"Re-run rather than over-write","body":"A longer instruction rarely rescues a bad result."}],"cta_banner_show":false,"cta_banner_title":"Need more space?","cta_banner_subtitle":"Extend any image in any direction with AI.","cta_banner_button_label":"Expand image","cta_banner_button_url":"","related_tools_title":"Related tools","related_tools_items":null,"post_level":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to replace an object in a video with AI - Picsart Blog<\/title>\n<meta name=\"description\" content=\"Replace an object in a video with AI. 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