Free online tools + field notes
Fast tools for daily work, with notes that explain the why.
Open a tool and get the answer in seconds — text, links, images, time zones. Notes explain the why behind each one.
Browse all toolsPopular tools
View allCount characters, words, lines, and reading time locally.
Format, minify, and validate JSON without sending it to a server.
Normalize pasted Markdown for clean publishing.
Convert text between UPPER, lower, Title, camelCase, and more.
Encode and decode URL components in your browser.
Encode and decode Base64 text, including Unicode, in your browser.
Latest posts
Notes from building a small toolbox: tools compound search traffic faster than articles, if you pick the right ones.
A practical guide to tagging campaign links so you actually know where your traffic comes from.
How a solo builder keeps small utilities reliable without slowing down, by testing pure logic and key interactions.