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How-to guides

Straightforward, search-friendly how-to guides for the most common tasks — making a transparent PNG, removing a video background, upscaling an image, making a music visualizer, and adding captions — done free and in the browser with the Novus apps.

8 articles

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All8Images3Video & audio2Visualizers3

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  1. Turning a photo into a transparent PNG in the browser

    Field guide · Jun 7, 2026

    How to make a transparent PNG (free, no upload)

    A step-by-step guide to exporting a true transparent PNG with NSS Background Remover, and why straight-alpha export matters.

    NSS Background Remover

  2. Removing a video background per frame in the browser

    Field guide · Jun 7, 2026

    How to remove a video background for free (in your browser)

    A practical guide to per-frame video background removal and finishing in the video editor with NSS Background Remover.

    NSS Background Remover

  3. Upscaling a small image with AI super-resolution in the browser

    Field guide · Jun 7, 2026

    How to upscale an image without losing quality

    How AI upscaling adds real detail (not just pixels) and how to use 2× / 4× super-resolution in NSS Background Remover.

    NSS Background Remover

  4. Making a music visualizer video in the browser

    Field guide · Jun 7, 2026

    How to make a music visualizer video

    The fast path from a track to a finished, reactive visualizer video with Novus Visualizers.

    Novus Visualizers

  5. Adding AI captions to a video on-device, free

    Field guide · Jun 7, 2026

    How to add captions to a video for free

    How on-device Whisper transcription turns the slow part of captioning into a few timing tweaks.

    Novus Visualizers

  6. Steps from uploading a track to exporting a vertical Spotify Canvas loop in the browser

    Field guide · Jun 6, 2026

    How to make a Spotify Canvas video (free, in-browser)

    A step-by-step guide to producing a vertical, looping Canvas video from your own track without any desktop software.

    Novus Visualizers

  7. A folder of product photos flowing through an in-browser batch into a ZIP of transparent cutouts

    Field guide · Jun 2, 2026

    How to batch-remove backgrounds from a product catalog

    A practical guide to clearing an entire product catalog of backgrounds in one in-browser batch, without uploads or per-image busywork.

    NSS Background Remover

  8. Making a lyric video for free: upload, transcribe on-device, style captions, and export

    Field guide · May 19, 2026

    How to make a lyric video for free (auto-synced captions, in your browser)

    A step-by-step guide to making a lyric video with Novus Visualizers: on-device transcription, fixing timing, styling captions over a reactive background, and exporting for the platform you need.

    Novus Visualizers

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