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Websites that do stuff: diagramming, computation, converters, validators, prettifyers, etc.

Items

diff (diffdiff.net)
Added 1 week ago
The fastest way to tell the difference between two pieces of text.
Added 2 months ago
Keep spam out of your mail and stay safe - use a disposable temporary email address.
Added 2 months ago
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
Added 2 months ago
Watch your retirement age decrease as you increase your savings.
Integer Exposed (integer.exposed)
Added 2 months ago
Integer format explorer - binary representations of common integer formats.
Float Exposed (float.exposed)
Added 2 months ago
Floating point format explorer - binary representations of common floating point formats.
DAGitty (dagitty.net)
Added 2 months ago
DAGitty is a browser-based environment for creating, editing, and analyzing causal diagrams (i.e, directed acyclic graphs or causal Bayesian networks).
Added 2 months ago
Compute answers using Wolfram Alpha. Useful for derivatives, integrals, series expansions, simplifications, etc.
Free Markdown to HTML Converter (markdowntohtml.com)
Added 2 months ago
Convert your markdown to HTML in one easy step - for free!
Added 2 months ago
draw.io has everything you expect from a professional diagramming tool.

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Collection timeline

Created: April 27, 2025 Updated: June 22, 2025

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