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Model
Open the menu to browse brands, then hover a brand to choose a model variant.
Upload the clip you want to continue. Output duration follows the source video for this model.
Kling Extend Beta bills per source-video second. A 5s clip costs roughly 2× a 3s clip.
Upload an image to guide how the generated clip should conclude.
Output duration follows the source video for Kling Extend Beta. This model does not accept a separate duration setting.
Use the controls on the left and hit Generate to create your first video here.
ClipTrend is a free AI video extender that continues any short clip with fresh frames, natural motion, and a consistent scene. Upload a 3-10 second MP4, describe what should happen next in plain English, pick an extend-capable model, and the AI generates the next segment with matching character identity, camera motion, lighting, and pacing. The video extender ai workspace is purpose-built for the most common pain point with AI-generated video today: individual model outputs cap at 5, 10, or 15 seconds, but platforms like TikTok, Reels, and YouTube Shorts reward clips closer to 20-60 seconds. Instead of reshooting or reprompting from scratch, the free ai video extender stitches additional continuous footage onto your existing clip so you never lose the look, the character, or the momentum. Supported extend video ai models include Kling Extend Beta (the flagship Kling AI extend video engine with end-frame guidance and the most reliable general-purpose continuation quality), Seedance 2 extend via omni-reference for Seedance-origin clips, and Wan 2.7 first-and-last-frame extension for seamless loop creation. The Kling AI extend video path is the default recommendation for any uploaded MP4 because it is source-agnostic — clips from Runway, Pika, Luma, other AI tools, or phone footage all extend cleanly on Kling AI extend video. Every run produces a watermark-free MP4 ready for direct upload. The free AI video extender tier offers pay-as-you-go credit packs from $11.99 — a few credits per Kling AI extend video pass means new accounts can run several extensions before upgrading. The extended clip feeds back into Video Edit for scene rewrites, Character Swap for subject changes, or another Video Extend pass for truly long-form narrative. Creators who want to extend video with ai length free of watermarks pick ClipTrend because the ai extend video length free workflow exports commercial-safe MP4s on every tier with no "upgrade to remove watermark" gate.
ClipTrend lets you compare the best AI models for this tool in one workspace. Pick the one that fits your quality, speed, and budget.
Kling Extend Beta is the platform's most reliable ai video extender — a continuation edit model with end-frame guidance that works on any uploaded clip, regardless of which model generated the original. It analyses the final frames of your source video, preserves character identity and scene composition, and generates the next 5-10 seconds of motion with matching lighting. Kling Extend Beta accepts prompts up to 2000 characters, so you can.
Seedance 2 extend is the premium option for continuing Seedance-origin clips using the model's omni-reference capability. Because Seedance 2 accepts the original clip as a reference video along with additional image and audio references, the continuation preserves character, scene, and motion style far better than a pure video-to-video extend. Use this path when your source clip was generated by Seedance 2 or Seedance 2 Fast and you need a 4-15.
Wan 2.7 extend uses first-and-last frame conditioning to create frame-consistent extensions — particularly useful when you need to create a seamless loop (where the final frame matches the first) or extend a clip to land on a specific composition. The model reads the target end frame as a constraint, so you can precisely control where the extended clip finishes. Ideal for social backgrounds, NFT drops, brand loops, and scenes that.
Kling 2.5 Turbo extend is a cheaper alternative to Kling Extend Beta when you need fast iteration — 26 credits per pass, 5 or 10 second continuation output. Quality trails the Kling Extend Beta flagship for complex scenes but is perfectly serviceable for short creator content, talking-head continuations, and simple product clips. The speed-and-cost advantage makes it the right pick for running multiple continuation variants before locking the final.
Compare the supported models across the dimensions that matter most for AI video and image generation: duration, resolution, audio support, creative flexibility, and cost.
| Feature | Kling Extend Beta | Seedance 2 Extend | Wan 2.7 Extend |
|---|---|---|---|
| Source video compatibility | Any MP4 source | Seedance-origin best | Any MP4 source |
| End-frame control | Yes | Yes (via reference) | Yes (first + last) |
| Output duration | Matches source | 4-15 seconds | 5-15 seconds |
| Max prompt length | 2000 chars | 1500 chars | 1500 chars |
Upload the short video you want to extend. ClipTrend accepts MP4 at 3-10 seconds duration and any common aspect ratio. Vertical 9:16 clips for Shorts/TikTok, horizontal 16:9 for YouTube, square 1:1 for feed all work.
Write a clear continuation prompt — describe exactly what should happen next, including the camera move, the subject action, any dialogue or audio cue, and how the shot should end. The more direction you give, the better the ai extend video length free output tracks your intent.
Pick an extend-capable model. Kling Extend Beta (21 credits) is the default for general-purpose continuation. Seedance 2 extend is best when your source clip was generated by Seedance. Wan 2.7 extend is the right pick for seamless loops or precise end-frame landing.
Optionally provide an end-frame reference image (Wan 2.7 and Kling Extend support this) if you want the extended clip to land on a specific composition.
Click Generate. Most AI video extender runs finish in 60-120 seconds. The result appears in Creation History as a continuous clip containing your original plus the continuation.
Download the watermark-free MP4, or re-upload the extended result as the new source and run another Video Extend pass to reach 20-30+ seconds. Stack as many passes as your creative direction needs.
Tap any question to expand.
Upload your clip to the Video Extend page, describe what should happen next in the prompt box, pick Kling Extend Beta (the most reliable free ai video extender option), and click Generate. The ai video extender produces the next 5-10 seconds in about 60-90 seconds on the AI video extender with pay-as-you-go credit packs.
ClipTrend ships Kling Extend Beta (the default video extender ai for any uploaded clip), Seedance 2 extend (purpose-built for Seedance-origin sources via omni-reference), Wan 2.7 extend (first-and-last frame control for loops and precise transitions), and Kling 2.5 Turbo extend (the cheapest option for rapid iteration).
Yes — generate a 10-second continuation with Kling Extend, then re-upload the joined clip and run a second extend pass on the ai video extender to reach 15-20 seconds. Each pass preserves motion continuity because the model reads the final frames of your current clip as the starting point.
Yes. ClipTrend is an AI video extender with pay-as-you-go credit packs from $11.99 and every MP4 export is watermark-free on every tier. Kling Extend Beta uses 21 credits per pass, so a Starter pack of 500 credits for $11.99 comfortably covers several extensions. No forced signup chain, no waitlist, no "upgrade to remove watermark" gate.
Pick Kling Extend Beta on the Video Extend page — this is the Kling AI extend video workflow built into ClipTrend. Upload your source clip, add an optional end-frame reference image if you want tight compositional control, write a continuation prompt (up to 2000 characters), and click Generate. The Kling AI extend video pipeline output duration follows the source video — so a 5-second source produces a 5-second continuation, and you can stack Kling AI extend video passes to reach the target ai extend video length free.
Yes. Kling Extend Beta is source-agnostic — it works on any MP4 at 3-10 seconds, regardless of which AI tool generated the original. Runway, Pika, Luma, and raw phone clips all extend cleanly. This is the biggest practical advantage over single-vendor extend tools, which usually only work on clips generated inside their own ecosystem.
You do not need Premiere, DaVinci, or After Effects — the free ai video extender handles everything in a single browser tab. Upload the source clip, write a short continuation prompt, click Generate, and the video extender ai produces the next segment in 60-120 seconds. Stack extend passes to reach 20-30+ seconds for the best Shorts and Reels retention.
Kling 2.5 Turbo extend at 26 credits per pass is the cheapest ai extend video on the platform, which makes it the right pick for rapid iteration. For final-grade output, upgrade to Kling Extend Beta (21 credits). Seedance 2 extend and Wan 2.7 extend suit specific workflows (Seedance-origin clips and first-and-last-frame loops respectively).
Credit cost varies by selected model. Entry-level generations start around 21 credits. Credit packs from $11.99 with no subscription required, and failed renders are refunded automatically.