Calculator

PDF Tools

Select a tool from the PDF toolkit below.

Export Notes

File Share

Tries tmpfiles.org first (60 min, up to ~100MB); falls back to Catbox.moe (permanent, up to 200MB) if tmpfiles.org is unavailable.

File Converter

Convert & resize images, PDFs, and DOCX files instantly in your browser (no upload required). Drag items to reorder them on desktop, or select an item and use the arrow buttons on mobile.

Link Cleaner

Strips tracking parameters (UTM, fbclid, gclid, and 80+ more) from URLs — entirely in your browser, nothing is sent to any server. linkcleaner.app

Text Sorter

Sort, deduplicate, reverse, or shuffle lines of text instantly.

Link Shortener

Shorten URLs using TinyURL or Bitly API.

Merge Tool

Merge multiple PDF files client-side. Drag items to reorder them on desktop, or select an item and use the arrow buttons on mobile.

Reorder Tool

Reorder or delete pages in a PDF document. Select a page to preview it.

Bookmark Tool

Add, nest, and reorder outline bookmarks in a PDF document. Select a bookmark to preview its page.

Audio Output Test

Check if your audio hardware (speakers/headphones) works correctly and the left/right sides are balanced in volume.

Markdown Viewer

Select or drag & drop a local .md file, or paste a Markdown URL (e.g. GitHub link) to view it.