Dashboard
Your files, refined.
A zero-upload toolkit for JSON, CSV, HTML, Markdown and more. Everything runs in your browser — nothing ever hits a server.
or pick a tool below
JSON Inspector
Format, validate, tree-view and diff JSON documents.
CSV Workstation
Preview tables, detect delimiters and sort columns.
HTML Previewer
Beautify, preview and export HTML snippets.
Markdown Studio
Write, preview GFM and export to HTML or .md.
Universal Diff
Compare text side-by-side with change highlighting.
PDF Modifiers
Inspect and manipulate PDF pages client-side.
Privacy-first. All processing happens locally in your browser. No data leaves your machine.