337+ tools · 15 categories · REST API live · CLI coming soon
Run any tool from your terminal via npx. No install required.
Image processing, AI-assisted regex, DNS propagation checker, and more in the pipeline.
5 recently added tools
Build a Basic or Bearer Authorization header value, or decode an existing one back into its scheme plus username/password or token
Cross-check a CSS stylesheet's --name custom-property declarations against their var(--name) usages, flagging unused declarations, undeclared usages, and duplicate declarations within the same selector
Walk a Markdown document's blockquote lines and flag nesting that jumps by more than one level at once, or a quote block that starts above level 1
Build a Certification Authority Authorization (CAA) DNS record from a tag and domain, or parse an existing zone-file record into its flags, tag, authorized domain, and parameters
Parse a .proto file's message definitions and flag reused field numbers, gaps in the field-number sequence that aren't covered by a reserved or extensions statement, and field numbers outside the valid range, protobuf's own recommended practice for safe wire-format evolution.