Markdown Viewer
Paste Markdown and view formatted HTML with MathJax support.
Euler Preview
Preview Project Euler forum posts with BBCode and TeX support.
Pastebin
Share text snippets with public or unlisted links.
To-Do List
Manage tasks with priorities, due dates, and cloud sync.
Daily Goal Tracker
Track multiple goals with a calendar that highlights each day.
Date Calculator
Compute differences and manipulate dates (add/subtract days, months, years).
LLM Cost Calculator
Estimate costs based on token usage with customizable model pricing.
Actuary Calculator
Estimate mortality odds based on Social Security tables.
YouTube Transcript
Extract and download transcripts from YouTube videos.
TIFF Viewer
View multi-channel TIFF images with channel toggling and custom colors.