⚔ Dev Tools 17
JSON Encode / Decode
Pretty-print, minify, convert to Dart, Swift, Kotlin, React/TS.
JSON
Mermaid Live Preview
Render diagrams in real-time. Zoom, pan, export PNG/JPG.
Diagram
Base64 Encode / Decode
Encode text to Base64 or decode back to plain text.
Encode
Base64 ↔ Image
Convert images to Base64 strings or preview Base64 as image.
Image
Image Resize
Resize by pixel dimensions or percentage. Preview & download.
Image
Beauty Mode
Smooth skin, auto-tone, idol glow — edit photos in browser.
Beauty
Git Commit Creator
Pick a type, write your message — Conventional Commits format.
Git
JWT Decoder
Decode JWT tokens — header, payload, expiry & timestamps.
JWT
Hash Generator
SHA-1, SHA-256, SHA-384, SHA-512 and HMAC-SHA256.
Hash
UUID Generator
Generate cryptographically random v4 UUIDs in bulk.
UUID
URL Encoder / Decoder
Encode or decode URLs with encodeURIComponent / encodeURI.
URL
Regex Tester
Write and test regular expressions with live match highlighting.
Regex
Color Palette
Pick a color and generate complementary, triadic, analogous palettes.
Color
Timestamp Converter
Live Unix timestamp and Unix ↔ human date conversion.
Time
Thai ID Generator
สร้างเลขบัตรประชาชนไทยพร้อม checksum สำหรับทดสอบระบบ
🇹🇭 Thai
QR Code Card
Generate a styled QR card with gradients, title & badge.
QR
Text Compare
Diff two texts side-by-side with line & char-level highlights.
Diff
📋 PO Tools 9
User Story Creator
As a · I want · So that — with Given/When/Then and MoSCoW priority.
PO
Acceptance Criteria
Write BDD scenarios with Given/When/Then — export Gherkin or Markdown.
PO
Story Point Estimator
Rate Complexity, Effort, Risk — get a smart Fibonacci suggestion.
PO
Priority Matrix
Drag stories into a 2×2 Value vs Effort matrix — Do First to Drop.
PO
Sprint Capacity Planner
Add team members and days off — get focus hours & point capacity.
PO
Release Notes Generator
Features, Bugs & Breaking Changes — export Markdown or Slack.
PO
Sprint Retro Template
4 formats: Classic, Start/Stop/Continue, 4Ls, Mad/Sad/Glad.
PO
Definition of Done
Pre-built checklist: Code, Testing, Design, Docs & Deployment.
PO
Use Case Designer
Visual UML use case editor — actors, arrows, export PNG/JPEG.
PO
📚 Cheat Sheets 15
Git Commands
Branch, merge, rebase, stash, hooks and essential git workflow.
Git
Terminal (macOS)
File ops, permissions, vim, networking, process & Homebrew.
Terminal
Dart
Null safety, async/await, streams, generics, extensions, isolates.
Dart
Flutter
Widgets, navigation, themes, animations, go_router, GetIt DI.
Flutter
Flutter Bloc
BLoC pattern, Cubit, BlocBuilder, BlocListener, BlocConsumer.
Bloc
Swift
Optionals, closures, protocols, generics, Combine, async/await.
Swift
SwiftUI
Views, State, Binding, ObservableObject, NavigationStack, animations.
SwiftUI
Kotlin
Null safety, coroutines, Flow, sealed classes, extension functions.
Kotlin
Jetpack Compose
Composables, State, remember, LazyColumn, NavHost, ViewModel.
Compose
Go (Golang)
Goroutines, channels, structs, interfaces, generics, error handling.
Go
Python
Types, classes, decorators, comprehensions, async/await, type hints.
Python
React
Hooks, Context, useReducer, custom hooks, memoization, TypeScript.
React
React Native
Core components, Flexbox, navigation, storage, network & animation.
RN
HTML
Document structure, forms, semantic elements, accessibility.
HTML
CSS
Flexbox, Grid, animations, media queries, custom properties.
CSS
🎲 Fun 2
Character Card Draw
สุ่ม Hero หรือ Monster ให้ทีม — ตัวละคร CSS ขยับได้พร้อม flip card
⚔ RPG
🐷
PigPrep — Bulk Image
Compress 50+ images, watermark, convert to WebP. By Jira W.
↗ External
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