v1.31.0 // LATEST

The Missing Half of Your Dev Environment.

const workflow = IDE + [ Notes, JWT.io, JSONLint, Notepad, Sublime, Draw, TODOs, Passwords ];

const workflow = IDE + SCRATCH_TABS;

Your private, offline-first scratchpad for the data that doesn't belong in git. Auto detects formats, transforms data, unlimited tabs, workspaces and more. No accounts, free and open-source.

$ launch_app|

JWT Decoder// Regex Tester// REST Client// UUID Generator// Base64 Encoder// Diff Tool// QR Code// TOTP Authenticator// SSH Keygen// GraphQL Explorer// Hex Viewer// JSON Mapper// URL Parser// Cron Parser// Password Generator// Shape Snap// Color Palette// Word Count// Pomodoro Timer// Lorem Ipsum// Calculator// Emoji Picker// Temp Email// User Generator// Vault// Checksum// DateTime Converter// IP Details// JWT Decoder// Regex Tester// REST Client// UUID Generator// Base64 Encoder// Diff Tool// QR Code// TOTP Authenticator// SSH Keygen// GraphQL Explorer// Hex Viewer// JSON Mapper// URL Parser// Cron Parser// Password Generator// Shape Snap// Color Palette// Word Count// Pomodoro Timer// Lorem Ipsum// Calculator// Emoji Picker// Temp Email// User Generator// Vault// Checksum// DateTime Converter// IP Details//

JSON// YAML// TOML// CSV// Markdown// HTML// XML// SQL// HAR// PEM// .env// NDJSON// Dockerfile// HCL// cURL// Bash// Python// Go// Rust// TypeScript// Kotlin// Scala// GraphQL Schema// Access Log// Stack Trace// SVG// INI// Java// Ruby// PHP// C#// C++// JSON// YAML// TOML// CSV// Markdown// HTML// XML// SQL// HAR// PEM// .env// NDJSON// Dockerfile// HCL// cURL// Bash// Python// Go// Rust// TypeScript// Kotlin// Scala// GraphQL Schema// Access Log// Stack Trace// SVG// INI// Java// Ruby// PHP// C#// C++//

Transformation Pipelines// Smart Views// Split View// Persistent Workspaces// Macros// Share via URL// Import / Export// Offline Mode// Auto-save// JMESPath Queries// AI Summarization// Format Detection// Syntax Highlighting// Multi-tab// Pipeline Replay// Hash-based URLs// Zero Data Egress// Open Source// Transformation Pipelines// Smart Views// Split View// Persistent Workspaces// Macros// Share via URL// Import / Export// Offline Mode// Auto-save// JMESPath Queries// AI Summarization// Format Detection// Syntax Highlighting// Multi-tab// Pipeline Replay// Hash-based URLs// Zero Data Egress// Open Source//

01 // PASTE

Write or Paste

VS Code's Monaco engine. Syntax highlighting for 40+ languages, multi-cursor, find & replace, unlimited tabs.

02 // DETECT

Smart Views

Format detected automatically. JSON becomes a tree, CSV becomes a spreadsheet, Markdown becomes a live preview.

03 // TRANSFORM

Pipelines

Chain operations like Unix pipes. Decode → extract → parse → query. Save and replay.

04 // USE_TOOLS

Dev Tool Arsenal

Dozens of built-in tools - JWT Decoder, Regex Tester, REST Client, and more. Everything in one place.

[NEW_FEATURE] // TRANSFORMATION_PIPELINE

Unix Pipes for the Browser Age.

Stop juggling tools. Build reusable processing chains visually.

01.Chain Operations: Link steps like Decode → Format → Extract.
02.Live Preview: See how your data transforms at every step.
03.Save & Replay: Save pipelines for one-click reuse.

extract_emails.pipeline

INPUT api.log

2024-01-15 INFO {
  "data": "{\"users\":[
    {\"email\":\"alice@acme.io\"}
  ]}"
}

1 Regex Extract \{.*\}

✓

2 Unescape Strings

✓

3 Parse JSON

✓

4 JMESPath data.users[*].email

✓

OUTPUT 3 results

[
  "alice@acme.io",
  "bob@acme.io",
  "carol@acme.io"
]

[FOUNDATION] // LOCAL_FIRST_ARCHITECTURE

Built for High-Security Environments.

Your data never leaves your browser. No servers to trust, no accounts to breach.

STORAGE

IndexedDB (Local-Only)

Everything persists in your browser's local database.

NETWORK

Zero Data Egress

Your input data never leaves the browser.

PRIVACY

No Accounts Required

No cookies. No tracking. No fingerprinting.

SHARING

Hash-Based URLs

Share tabs via URLs that never hit server logs.

Transparent Architecture

Inspect the network tab. Zero data leaves your browser.

Works Offline

Load once, use forever. Perfect for air-gapped networks.

Open Source

Code is available publicly for review and contribution.