TOOLS · WORKSHOP + CATALOGUE
Workshop.
Small, sharp utilities that run entirely in the browser — nothing leaves the page. Plus a catalogue of 139 interactive AI tools for planning, delivery, and content work. Pick one and go.
// browse by category
Pick a track · 5 categories
// client-side workshop · 100% in the browser
Native utilities · 10
TEXT
$ vv-lab regex TEXT Regex tester
Match a pattern against a string. Live highlighting. Toggle flags. Capture groups break out.
→$ vv-lab json TEXT JSON formatter
Pretty-print, validate, minify. Errors point to the exact line and column.
→$ vv-lab base64 TEXT Base64 / URL-safe
Encode and decode. URL-safe variant for query parameters and JWT-style strings.
→$ vv-lab diff TEXT Text diff
Line-by-line diff between two pastes. Greens for adds, reds for cuts.
→CRYPTO
$ vv-lab jwt CRYPTO JWT decoder
Decode header + payload + signature. Spots common gotchas (no exp, alg=none).
→$ vv-lab uuid CRYPTO UUID generator
v4 random UUIDs, single or bulk. Copy-friendly format. Crypto-strong RNG.
→$ vv-lab hash CRYPTO Hash function
MD5, SHA-1, SHA-256, SHA-512. WebCrypto where the browser supports it.
→// why these
Mostly: I was tired of opening 10 tabs
Every utility here is something I reached for repeatedly across recent projects. Versions on the web exist, but most of them want an account, run telemetry against you, or break inside corporate proxies. These don't. View source on any page. It's a single file, fully readable.