# blk/txt

> blk/txt is a notes app that turns the dated notes and logs you already keep into searchable blocks, and shows what changed in the subjects and numbers you track, with a link from each change to the notes behind it. Your plain text files stay the source of truth.

## Pages

- [Home](https://blktxt.com/): what blk/txt does and how it reads a notes file
- [About](https://blktxt.com/about): a compiler and indexer for messy text
- [Help](https://blktxt.com/help): reading notes back in the app: the letter, live counts, loose ends, and logs
- [The file format](https://blktxt.com/format): the exact rules the parser reads
- [Pricing](https://blktxt.com/pricing): one plan, billed monthly or yearly; the 48 hour trial needs no account

## Blog

- [Blog index](https://blktxt.com/blog/)
- [How do I hand over a project's notes without sending a pile of files?](https://blktxt.com/blog/handing-over-a-project-from-your-notes)
- [How do I find out what we decided, and why, months after the meeting?](https://blktxt.com/blog/finding-what-you-decided-and-why)
- [I wanted to search my work notes](https://blktxt.com/blog/i-wanted-to-search-my-work-notes)
- [How to keep a work log you can search a year later](https://blktxt.com/blog/searchable-work-log)
- [Structure after the fact](https://blktxt.com/blog/structure-after-the-fact)
- [Questions your notes can answer](https://blktxt.com/blog/questions-your-notes-can-answer)
- [Recurring incidents in your notes](https://blktxt.com/blog/recurring-incidents-in-your-notes)