Core // GamingSystems online

The gamer's toolkit

Core is the gaming house of Alvseike — everything a streamer or YouTuber needs to capture, cut and publish gameplay. It all runs in your browser. No uploads, no watermark, no lag.

21
Tools
0
Uploads
100%
Local
With Pro

The pipeline · clip → upload

  1. 01
    Capture

    Record screen or tab

  2. 02
    Compress

    Shrink for fast upload

  3. 03
    Reframe

    9:16 for Shorts & Reels

  4. 04
    Thumbnail

    Design a 1280×720 thumbnail

  5. 05
    Ship

    Export clip or GIF

The arsenal

21 tools
Universal Converter

Convert images between PNG, JPG, WebP, AVIF and more — instantly, in your browser.

Smart Cropper

Crop images to any ratio with smart guides — no upload, fully private.

Watermark Tool

Add text or logo watermarks to images and batches locally.

Palette Extractor

Pull a color palette from any image for your brand or overlay.

GIF Maker

Turn images or clips into optimized GIFs right in the browser.

Thumbnail Maker

Design click-worthy thumbnails — layer images, bold outlined text, shapes and emoji on a drag-and-drop canvas.

Background Remover

Remove a solid or green-screen background and download a transparent PNG — right in your browser.

Image Compressor

Compress JPG, PNG and WebP to a target file size or quality — locally, no upload.

Social Pack Exporter

Export one design to every social size in a single pack.

Streamer Pack

Export Twitch panels, offline banner, overlay and avatars from one image.

HTML5 Ad Builder

Build animated multi-slide HTML5 banner ads with image and text layers — export a ready-to-upload creative, no code.

QR Code Pro

Generate styled QR codes for links, wifi and more.

Video Compressor

Shrink video file size for upload without a cloud service.

Video Cropper

Crop and trim video frames locally in your browser.

Video Editor

Quick cuts, merges and edits — no timeline software needed.

Screen Recorder

Record your screen with a webcam picture-in-picture overlay and mixed mic + system audio — one click, no install.

Video to Image

Grab high-quality stills and frames from any video.

Aspect Resizer

Reframe video to 16:9, 9:16, 1:1 and more, filling the edges with a blurred or solid background — for every platform.

Virtual Cam Operator

Pan, zoom and track a virtual camera over your capture.

Subtitle Converter

Convert subtitles between SRT and VTT, shift timings and fix numbering — no upload.

Voice Recorder

Record voice notes and takes straight from your mic.

Nothing uploaded

Your footage never leaves your machine — no server, no risk of a leaked clip.

No render queue

Capture, compress and reframe run on your device. No waiting behind other users.

Creator-ready

Presets sized for YouTube, Shorts, Reels, Twitch and TikTok out of the box.

Ready to level up?

Every Core tool is free to start, right in your browser. Go Pro when you want unlimited renders across the whole arsenal.

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