Data Viewer
Explore JSON, YAML, CSV, TSV & XML as a collapsible tree or table, with a highlighted source view.
A privacy-first family of fast, single-file viewers. Drag & drop a file and read it instantly — no build, no uploads, no accounts. Everything runs locally in your browser.
Explore JSON, YAML, CSV, TSV & XML as a collapsible tree or table, with a highlighted source view.
View Word documents in your browser — formatting, tables & images intact. Nothing uploaded.
Read EPUB books in your browser — chapters + contents. Your books never leave your device.
Fast, single-file, offline viewers for HTML, Markdown, ePUB, PDF, data, Word & spreadsheets.
Render HTML in a sandboxed frame, or read CSS/SCSS/JS/TS source with syntax highlighting — offline, nothing uploaded.
Drag & drop a Markdown or text file to render it instantly — offline, nothing uploaded.
Read PDFs in your browser with pdf.js — offline, nothing uploaded.
Open spreadsheets (.xlsx, .xls, .ods & more) as tables with sheet tabs — offline, nothing uploaded.