Inspect PDF page counts, view dimensions, and extract specific page ranges in-memory.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Enter or paste your data in the input pane.
The tool calculates and formats the result instantly in real-time.
Click copy or download to export your results.
No, Utilifi processes all data 100% locally in your browser sandbox.
Yes, all Utilifi utilities are free with unlimited usage.
Zero-egress companion tools in the PDF Utilities suite
Convert color PDF pages to monochrome grayscale to reduce printer ink and file size.
Split PDF pages into separate Odd (1, 3, 5) and Even (2, 4, 6) documents for manual duplex printing.
Inspect embedded image resolutions, color spaces, and compression formats inside PDF files.
Verify whether a PDF document is optimized for Fast Web View page-by-page streaming.
