LORONG 03, DEV · 6 TOOLS · GRATIS

Lorong DEVuntuk yang ngoding.

JSON berantakan, JWT expired, hash tidak match, cron tidak jalan, regex tidak match, base64 error. Semua jalan di browser, tanpa kirim data ke server.

Lihat 6 Tools ↓TANPA LOGIN · TANPA PAYWALL · DATA DI DEVICE

tools dev

1:1

preview code

data di-upload

gsg@dev : zsh : 80x24

➜ ~ npm run dev

jwt.verify, valid·01/03

terminal ready, typewriter loop

json.ts

{
 "ok": true,
 "data": [1,2,3]
}

cron.ts

* * * * *
# every minute
next: 12:01

6 Tools, siap pakai

Buka tools →

JSON.tsvalid →

JSON Formatter

Prettify, minify, validate JSON. Error pointer line, copy 1 click.

const data = JSON.parse(raw)
if (!data.ok) throw
console.log("ok", data)

buka $ →

JWT.tsverify

JWT Debugger

Decode header/payload, verify signature, cek exp & nbf.

jwt.verify(token, SECRET)
// { sub: "user_42", iat: 1714500000 }

buka $ →

HASH.tssha256

Hash Generator

MD5, SHA-1/256/512, HMAC. Compare & file hash.

crypto.createHash("sha256")
 .update(data)
 .digest("hex")

buka $ →

B64.tsencode

Base64 Tool

Encode/decode teks & file, URL-safe, auto detect.

Buffer.from(str).toString("base64")
Buffer.from(b64, "base64").toString()

buka $ →

REGEX.tsg/i

Regex Tester

Test, match, replace. Cheatsheet & flag g/i/m/s.

const re = /^(\d{4})-(\d{2})-\d{2}$/
re.test("2026-08-31") // true

buka $ →

CRON.ts* * * * *

Cron Parser

Jelaskan cron * * * * *, next run, validasi.

cron.schedule("*/5 * * * *", () => {
 run(task)
})

buka $ →

PRINSIP DEV GSG ID

Code glow, terminal chrome, mono, preview code. Draft auto-save di device. Tidak ada paywall.

Lorong DEV, gsgid.vercel.app/dev