useful, sometimes violent, things to do to your Data.
A browser toolbox for messy data. Clean it, convert it, find your way around it — all on your own machine. Nothing is uploaded, there's no account, and whatever comes out is yours to keep.
Your data, your machine. Clean it, convert it, keep what comes out — no accounts, no uploads, no lock-in.
The toolshed
12 tools · 12 liveNotion Unfck
Strip UUID filenames, fix internal links & images, lift page properties to frontmatter, decode CSV databases.
JSON Path Finder
Paste any JSON, click a value, and get its path — JSONPath & JS accessor, copy either. Entirely in your browser.
Chat Log Explorer
Turn a ChatGPT/Claude conversations export into one self-contained, full-text-searchable HTML archive you download and keep.
JSON to TypeScript
Paste any JSON and get clean TypeScript interfaces (plus a Zod schema) — nested objects, arrays, nullable & optional fields handled.
cURL to Code
Paste a curl command and get the same request as fetch, axios, Python requests, or HTTPie — headers, body, query & auth parsed.
JWT Decoder
Decode a JWT's header & payload, read every claim, see exp/iat/nbf as human time + countdown. Optional HS256 verify. 100% local.
Cron Expression Explainer
Paste a 5-field cron expression and get plain English plus the next run times — ranges, steps, lists & names supported.
Text Diff
Paste two versions of any text and get a line-by-line diff with word-level highlights — side-by-side or inline. Entirely local.
CSV to JSON
Convert CSV to JSON, JSONL or SQL INSERTs (and JSON back to CSV) with a table preview — quoted fields & delimiters handled.
Regex Tester
Test a regex against any text with live match highlighting, capture-group listing, a token-by-token explanation, and a code snippet.
Unix Timestamp Converter
Convert a Unix timestamp (s or ms) to a human date in any timezone — ISO 8601 + relative time — and back again.
ENV File Converter
Convert a .env file to JSON, YAML, docker-compose or shell exports (and back) — duplicate keys & quoting issues flagged. 100% local.
It all happens in your browser.
Every tool runs in-page, on your own machine. Your files are read, transformed, and handed back without ever being uploaded — there's no server to send them to. Close the tab and they're gone.
- ✓Your files aren't uploaded. Every byte is processed in-page, in your browser.
- ✓No accounts. No login, no email wall just to run a tool.
- ✓No lock-in. Whatever comes out is yours to copy, export, and keep.
Your files are read, converted, and saved
without ever leaving this tab.