Precision tools engineered for
limitless workflow efficiency.
CYJ Labs is an independent product studio developing lightweight browser extensions, AI utilities, and developer productivity software.
OUR PRODUCT SUITE
Handcrafted for focused creators
ContextSlicer
Multi-select and extract non-contiguous text passages across any webpage. Batch copy with color classifications and instant formatted markdown citations.
- ✓ Alt/Option non-contiguous text drag selection
- ✓ 7-Color categorized session baskets
- ✓ 100% Local CSS Highlight API with zero tracking
ClipSync Markdown
BETAUnified clipboard bridge syncing browser research clippings directly into Obsidian, Notion, and Logseq without cloud vendor lock-in.
- ✓ Bidirectional local JSON vault sync
- ✓ Automatic citation footnote generator
- ✓ End-to-end encrypted storage
QuickFlow CLI
LABSDeveloper terminal micro-utilities for high-speed text sanitization, API mock responses, and automated web scraping workflows.
- ✓ Single binary native automation
- ✓ High-speed JSON/CSV streaming pipelines
- ✓ Zero cloud dependencies
TRANSPARENT LICENSING
Simple, one-time pricing. No hidden fees.
All transactions are processed under global compliance by our authorized Merchant of Record (Creem).
Access standard core features for our standalone tools and extensions.
Lifetime commercial license for ContextSlicer Pro and upcoming studio tools.
About CYJ Labs
CYJ Labs (operating via cyjstc.xyz) is an indie software laboratory dedicated to building practical, minimalist productivity tools for global developers, researchers, and creators.
We prioritize local-first privacy, fast execution speeds, and transparent one-time purchase models over ad-supported tracking and intrusive subscriptions.
Need Help or Have a Question?
Our support team responds to customer inquiries and license issues within 24–48 business hours.
support@cyjstc.xyz