Tools
Self-contained utilities for code, data, and careful hand-offs. Most run entirely in your browser. ShareX stores ciphertext for up to 24 hours and never receives the decryption key.
Playgrounds
Interactive runtimes and system simulations that make code and data flows inspectable in your browser.
PII removal
Simulate a privacy proxy for banking agents: review locally detected PII, inspect the anonymized document a hosted LLM would receive, and restore its structured response in your browser.
- AI
- Security & privacy
TypeScript playground
WebMCP compatibleWrite, type-check, compile, and run TypeScript in the browser. Powered by CodeMirror 6, the TypeScript language service, and a native Web Worker.
- Dev tooling
- TypeScript
Postgres playground
WebMCP compatibleRun SQL against a real Postgres database in the browser. Powered by CodeMirror 6 and PGlite (WebAssembly).
- Data systems
- SQL
- WebAssembly
ESM playground
Run TypeScript and JavaScript in the browser with automatic package loading, real Vitest, and a TypeScript REPL that shares your file's scope. Powered by CodeMirror 6 and esmwell.
- Dev tooling
- TypeScript
Generators
Focused tools for creating IDs, images, favicons, and reusable effects.
Unique ID generator
Generate and inspect UUID v4/v7, ULID, TypeID, CUID v2, Nanoid, KSUID, ObjectID, TSID, and XID. Powered by my library uniku.
- Dev tooling
- TypeScript
PrtSc code screenshot
Turn a code snippet into a screenshot. Five themes, PNG and SVG export, clipboard copy, everything rendered in your browser.
- Dev tooling
Text scrambler
Configure and preview a hacker-style text scramble effect, then copy a ready-to-use code snippet.
- Dev tooling
SVG favicon generator
Design and export custom SVG favicons with live preview, WCAG contrast checking, and multiple font options.
- Dev tooling
Utilities
Transform public content or share private information with a specific, inspectable data boundary.
ShareX
Encrypt a secret in your browser, copy a one-time link, and let one recipient reveal it before the ciphertext is deleted.
- Security & privacy
- Dev tooling
X to Markdown
WebMCP compatiblePaste a public X post or article link and get back a clean, copy-ready Markdown conversion.
- Dev tooling