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What you can do with Jasna

Jasna is a free, GPU-based tool that finds and restores mosaics in videos and still images, with a desktop app and a command line.

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Kruk2/jasna on GitHub

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Authorization notice. This tool is dual-use. Only use it on software, sites and systems you own or have explicit permission to test, and follow the relevant licenses and terms of service.

What do you want to do?

4 use cases

  • Restore mosaics in a video with the Jasna app

    Use the desktop app to restore mosaics in a video on your own GPU, using the free BasicVSR++ model.

    View prompt
    Using the Jasna repo at Kruk2/jasna, download the release for <GPU and OS> from GitHub, unpack it to <local folder path with ASCII-only characters>, and start the app. Expected output: a restored video file from <input video path>. Verify that the output file plays and that only the mosaic areas differ from the original.

  • Batch restore a folder of videos from the command line

    Run Jasna on a whole input folder in one command and save the results to an output folder.

    View prompt
    Using the Jasna repo at Kruk2/jasna, run `jasna --input <input folder> --output <output folder>` on the Jasna release. Expected output: one restored file in <output folder> for each input file. Verify that the number of output files matches the number of inputs and that each plays.

  • Restore a single still image from the command line

    Restore one image file with a single command and save the result as a new file.

    View prompt
    Using the Jasna repo at Kruk2/jasna, run `jasna --input <image path> --output <output image path>`. Expected output: a restored image at <output image path>. Verify that the file opens and that the mosaic area looks different from the original while the rest of the picture is unchanged.

  • Restore only chosen segments of a video

    Use the Segment Editor to pick the parts of a video to restore and preview them before the run.

    View prompt
    Using the Jasna repo at Kruk2/jasna, open <input video path> in the Segment Editor, select the segments containing mosaics, and run the queue. Expected output: a restored video with only those segments changed. Verify by comparing a selected segment and an unselected segment with the original.

How to use Jasna

  1. Check you have what it needs: An NVIDIA GTX 16-series, RTX 20-series or newer GPU with a recent driver (610 or newer on Windows, 580 or newer on Linux), or an AMD Radeon RX 7000/9000 (experimental); A folder on a local disk whose path has no Chinese, Japanese, accented or other non-English characters; An SSD is recommended, since Jasna is slow to start and load models on a hard disk.
  2. Open Kruk2/jasna on GitHub and read the README and license.
  3. Download the release for your system and GPU from GitHub only.
  4. Unpack it into a folder whose path has no Chinese, Japanese, accented or other non-English characters.
  5. Start the app: double-click jasna.exe on Windows, or run jasna on Linux NVIDIA.
  6. Add your video, choose settings (move the mouse over the ⓘ icon for a tooltip) and click the ▶ button.

These steps come from our top use case, Restore mosaics in a video with the Jasna app, which also has a copy-paste agent prompt.

Jasna alternatives · Best AI repos for Content

About this repo

  • Who it is forVideo editors and hobbyists with a supported NVIDIA or AMD GPU who want to restore mosaiced footage or images on their own PC.
  • Why it is hot
  • LanguagePython
  • Sourcegithub.com/Kruk2/jasna · Back to Hot repos

Requirements

  • An NVIDIA GTX 16-series, RTX 20-series or newer GPU with a recent driver (610 or newer on Windows, 580 or newer on Linux), or an AMD Radeon RX 7000/9000 (experimental)
  • A folder on a local disk whose path has no Chinese, Japanese, accented or other non-English characters
  • An SSD is recommended, since Jasna is slow to start and load models on a hard disk
  • The Jasna release downloaded from GitHub
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Questions about Jasna

What is Jasna?

Jasna is a free, GPU-based tool that finds and restores mosaics in videos and still images, with a desktop app and a command line. It is an open-source project on GitHub: https://github.com/Kruk2/jasna.

Who is Jasna for?

Video editors and hobbyists with a supported NVIDIA or AMD GPU who want to restore mosaiced footage or images on their own PC.

What can I do with Jasna?

4 use cases so far, for example: Restore mosaics in a video with the Jasna app; Batch restore a folder of videos from the command line; Restore a single still image from the command line. Each has steps and a copy-paste agent prompt.

What do I need to run Jasna?

An NVIDIA GTX 16-series, RTX 20-series or newer GPU with a recent driver (610 or newer on Windows, 580 or newer on Linux), or an AMD Radeon RX 7000/9000 (experimental); A folder on a local disk whose path has no Chinese, Japanese, accented or other non-English characters; An SSD is recommended, since Jasna is slow to start and load models on a hard disk; The Jasna release downloaded from GitHub.

What are alternatives to Jasna?

Other hot AI repos in Content: Voice Studio, Anatomy, Comfy UI, Hyperframes, Earshot.

Is Jasna safe to run?

Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.