Category
Tutorials
50 posts
- TutorialsΒ·Β·10 min read
How to Remove and Replace Objects in Photos Without Uploading Them
A precise browser-local workflow for selecting an object, refining its mask, reconstructing the space it occupied, and placing a real replacement asset as an editable layer β without sending the photo to a server.
- TutorialsΒ·Β·11 min read
From Long Video to Captioned Highlights: A Browser-Local Workflow
Turn a long clip into reviewed highlight ranges, transcribe its latest edited audio, correct timed captions, and export a shorter captioned result while keeping the work on your device.
- TutorialsΒ·Β·9 min read
Restoring an Old Family Photo, End to End: Face First, Then Colour
A complete in-browser workflow for a scanned family print β neutralise the paper, rebuild the face with GFPGAN (one per run), then colourise with DDColor. Including the part that decides whether you should use the result at all: what 'restore' does and does not recover.
- TutorialsΒ·Β·9 min read
Writing Alt Text That Actually Helps β and Where an AI Caption Fits
Most images ship with no alt text because there are a hundred of them and no time. A captioning model that runs on your device fixes the blank-page problem but not the hard part. Here is the decision that comes before the writing, what the model can and cannot know, and the edit pass that turns a caption into alt text.
- TutorialsΒ·Β·8 min read
Removing Unwanted Objects from Video in Your Browser: Click, Track, Erase
The rebuilt object remover in the NSS Video Editor lets you click an object to select its full outline, draw a box, or auto-detect licence plates β then remove, blur, or pixelate it across the clip, entirely on your device. Here is how the selection, tracking, and fill actually work, and where the honest limits are.
- TutorialsΒ·Β·7 min read
What Your Videos Know About You: Stripping Hidden Metadata Before Sharing
Videos recorded on a phone carry GPS coordinates, device details, and precise timestamps in the file itself. Here is what a video file actually embeds, how our in-browser remover strips it without re-encoding a single pixel, and β honestly β what stripping cannot remove.
- TutorialsΒ·Β·8 min read
From Cutout to Marketplace White β Finishing a Background Removal for Listings
A transparent PNG is only half the job for many storefronts. Learn how to remove a background in NSS, verify the alpha, place a solid white or brand-colour back, and export a listing-ready image without uploading your photos.
- TutorialsΒ·Β·8 min read
Clean Animated Product GIFs β Background Removal Without Soft-Edge Surprises
Turn product spins and logo loops into clean animated GIFs in the browser. Learn when colour-key beats AI, how temporal smoothing helps, why GIF only offers 1-bit alpha, and when APNG is the better export.
- TutorialsΒ·Β·9 min read
From Background Removal to Finished Video: A Complete Browser Editor Workflow
Turn a raw clip into a finished browser-edited video with NSS: trim the timeline, remove or replace the background, arrange layers, add timed text, colour grade, clean distractions, and choose export settings.
- TutorialsΒ·Β·8 min read
Fixing an Imperfect AI Cutout: Brush, Magic Wand, and Edge Refine
An AI cutout is a strong first pass, not a locked result. Learn how to diagnose missing subject, leftover background, halos, and rough edges, then repair each problem with Erase, Restore, Magic Wand, and Edge Refine in the NSS image editor.