OPERAVA · Free tools

Useful utilities, individually built. Connected by OPERAVA.

Seven polished productivity tools and research resources, with privacy notes and individual HTML editions.

Collection of digital productivity tools

Open a free utility

OPERAVA document tools

Word to PDF Converter

Convert .docx documents in your browser with an editable preview, PDF download and print fallback.

Open tool →

Single HTML file ↗

Read the full OPERAVA utilities guide →
Using OPERAVA utilities: File-processing tools work in your browser; local drafts and exchange-rate caches remain on your device. Some features require an internet connection to load public libraries or published data. Verify outputs before professional or financial use. No account is required.

More capabilities, same privacy-first approach

Currency

Favorite pairs & fee estimates

Save frequent pairs, view inverse rates and model optional percentage deductions against published reference rates.

Open converter →
Planning & math

Backups & memory

Search, import and export local calendar notes; use calculator memory controls and tab-local history.

Open calendar →
Documents

Better file workflows

Preview PDF text, download the original PDF, choose Word PDF page options and drag-and-drop DOCX.

Open Word converter →
Code & research

Editing and bookmarks

Find and replace local HTML source; save, filter and export a private reference reading list.

Open HTML editor →

These features run in your browser. Some data and conversion libraries require an internet connection.