Overview
Virtual reading ruler for tables, text files, and data. Highlight rows to never lose your place in large datasets or dense text.
Never lose your place again when reading large tables, datasets, or dense text. DataFocus Ruler adds a virtual reading ruler to any webpage — a horizontal guide that highlights the current row or line, making it easy to track your position across wide tables, CSV data, financial reports, code, and more. ▸ FREE FEATURES • Horizontal ruler follows your cursor or scrolls with keyboard • Lock the ruler in place to read without moving it • Adjustable opacity and color • Works on any website — tables, lists, code blocks, spreadsheets • Keyboard shortcuts: Alt+R to toggle, arrow keys to move • Lightweight — zero performance impact ▸ PRO FEATURES • Multiple ruler colors and custom themes • CSV export of highlighted data • Table auto-detection and smart highlighting • Row and column guides • Configurable ruler height and position Perfect for: • Data analysts scanning large spreadsheets online • Developers reading log files or JSON tables • Researchers reviewing data-heavy pages • QA engineers comparing table values • Anyone who reads wide tables on the web Built with care by SwiftClip — extensions that eliminate digital friction.
Details
- Version2.0.0
- UpdatedMay 25, 2026
- FeaturesOffers in-app purchases
- Offered bySwiftClip
- Size17.86KiB
- LanguagesEnglish
- Developer
Email
etriacorporation@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
DataFocus Ruler has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
DataFocus Ruler handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site
