The hosted SeedVR2 upscaler
Upscale short clips with SeedVR2, no GPU needed
The SeedVR2 upscaler is ByteDance's SeedVR2 restoration model wrapped in a browser form. You upload or reference a clip, pick a target resolution, read the credit preflight, submit, and download the finished file. There is no ComfyUI graph, no model download, and no workstation GPU to provision. The model family is the same one that runs in a local ComfyUI install, but the hosted path moves the inference off your machine.
This is a SeedVR2.net explainer for the hosted SeedVR2 upscaler. SeedVR2 is ByteDance's open-source video and image restoration model. Filenames, resolutions, credits, and upload limits are as published at review time; confirm against the live tool before submitting a paid job.
Run the SeedVR2 upscaler in the browser
The hosted tool accepts a browser file up to 500 MB or a directly accessible public HTTPS video URL. Pick 720p, 1080p, 2K, or 4K, read the credit preflight, then submit. Your finished file downloads when the job completes, without a local model install.
First eligible 5-second 720p Standard run: free
Verify your email to use your first video run without credits or a card. A failed run does not use the trial; longer clips and other settings show their exact credit cost before submission.
Browser upload limit: 500 MB. For larger files, paste a publicly accessible HTTPS URL. Each job supports videos up to 10 minutes.
Quick scene presets
Presets pick a model for a common scenario. You can still switch models manually below.
Upscaled preview
Compare the enhanced output before exporting the final file.
Upload a clip, paste a direct video URL, or load the sample. No example video is downloaded until you ask for it.
Tip: keep your original FPS and avoid pre-scaling. The upscaler handles cadence better than most NLE plugins.
Test before processing the full video
Upscaling cannot recreate detail removed by heavy messaging compression. Test the hardest 5–10-second segment first; a higher-priced model is not automatically a better fit.
The upscaler at a glance
Five facts decide whether the browser upscaler fits your job: the model behind it, what you can submit, which resolutions exist, what it costs, and what you download at the end.
- Model
- SeedVR2 (ByteDance)
- Input
- 500 MB or a public URL
- Resolutions
- 720p / 1080p / 2K / 4K
- Cost
- Credit preflight first
- Output
- Downloaded video file
Open-source video and image restoration under Apache-2.0, 3B and 7B checkpoints.
Browser upload up to 500 MB, or a directly accessible public HTTPS video URL, up to ten minutes.
Standard covers 720p and 1080p; Pro covers higher targets with a higher credit cost.
The tool shows required credits before submission; the first signed-in 2K can finish on trial.
You download the upscaled file when the job finishes; nothing is installed locally.
What the SeedVR2 upscaler actually is
SeedVR2 is ByteDance's restoration model for low-resolution, compressed, or damaged video and images. The upscaler on this site is that model exposed as a hosted web tool. The key difference from running the research code yourself is that the inference, GPU, and model weights live on a provider, so you only need a browser, an upload path, and enough space to keep the result.
The model restores rather than simply resizes. A naive upscale stretches existing pixels; SeedVR2 reconstructs plausible detail from what is left in the source. That is why a low-res face or small text can come back sharper, and why already-erased pixels cannot be invented truthfully. Restoration improves damaged signal; it does not recover information that was never recorded.
- SeedVR2 is a restoration model, not a pure resize filter.
- Hosted inference means no GPU, no model files, and no local graph.
- Restored detail is plausible, not a factual recovery of lost pixels.
How to upscale a clip, step by step
Open the hosted upscaler and add a source: either upload a browser file up to 500 MB or paste a directly accessible public HTTPS video URL. The tool reads duration and shows which resolutions are available. Sources longer than ten minutes are outside the supported range, so trim a long master before submitting.
Pick your target resolution next. 1080p is the default for a social or delivery master; 4K is a Pro path that costs more and only helps when the source has enough recoverable detail. Read the credit preflight before you confirm, because the required credits scale with model variant, billed duration, and resolution.
- Add a file or a public HTTPS URL, then read the duration.
- Choose 1080p for general delivery; reserve 4K for sources with real detail.
- Confirm the credit preflight before submitting a paid job.
Picking the right resolution and model path
The Standard path serves 720p and 1080p, and the Pro path reaches 2K and 4K. Resolution is not quality by itself: upscaling a 360p clip to 4K spends more credits without creating detail the source never had. A useful rule is to match the target to the delivery surface and the source's recoverable information, not to the biggest number in the menu.
Think in terms of deliverable, not fantasy. A 1080p deliverable for a phone or a social feed is a defensible target; a 4K master for a cinema finish only matters if the source, lens, and pipeline support it. When in doubt, run one short 1080p sample first and judge the result before committing the full clip.
What the upscaler can and cannot fix
The upscaler is strongest on soft focus, mild compression blocking, sensor noise, and modest low resolution. It can sharpen faces, steady small text, and clean grain without flattening the image into plastic. Those are the cases where the underlying restoration model has signal left to work with.
It cannot recover a face that was a four-pixel blob, read text that was never legible, or restore motion detail that was blurred out at capture. It can also invent detail that looks confident but is not in the source. For important material, review faces, text, and motion frame by frame before you accept the file.
- Best cases: soft focus, compression blocks, noise, mild low resolution.
- Hard cases: tiny faces, illegible text, capture-time motion blur.
- Treat invented detail as a reason to review, not a reason to skip review.
Reviewing an upscaled clip before you trust it
Download the finished file and review it at delivery size and normal speed first, then scrub frame by frame. Check that identities are unchanged, small text is accurate, hair and fabric keep texture instead of smoothing into a single tone, and motion stays consistent from frame to frame. A single marketing still is not enough to judge a video.
Keep the source alongside the output. If a crop fails, change one thing at a time, such as the resolution or the source trim, and re-run only the failing section. Rejecting and re-running the whole clip repeatedly is the expensive way to hunt for a setting that was never the problem.
SeedVR2 upscaler limits
Upload limits, resolutions, credit amounts, and hosted behavior change. This guide reflects the hosted tool at review time; always confirm the live preflight and file limits before you submit a paid job.
- Browser uploads are capped around 500 MB; larger sources need a public direct URL.
- Sources longer than about ten minutes fall outside the supported range.
- Restoration cannot recover detail that the source never captured.
- The hosted path depends on network access and provider availability.
SeedVR2 upscaler questions
Do I need a GPU to use the SeedVR2 upscaler?
No. The hosted upscaler runs inference on a provider, so your device only needs a current browser and a reliable connection. A local GPU is only required if you self-host the research code or run the ComfyUI template.
Which resolution should I choose, 1080p or 4K?
Choose 1080p for a social or delivery master and reserve 4K for sources that genuinely have recoverable detail. Upscaling a low-detail source to 4K spends more credits without adding information, so run a short 1080p sample first.
How long can my source clip be?
The hosted tool supports sources up to about ten minutes. Trim longer masters before submission, and note that the credit preflight scales with model variant, billed duration, and resolution.
What do I download at the end, and is there an app to install?
You download the finished upscaled video file. There is no desktop app to install; the upscaler runs in the browser. The only separate local path is the open-source model for ComfyUI, which is a different workflow.