Live & Ready — 35 Tools Available
The Developer
Toolkit That Slaps
Format, encode, generate, analyze & test — everything in one tab. No login. No tracking. Works offline.
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35
Dev Tools
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Client-side
0ms
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All Tools
Click any card to open the toolJSON Tools
35 tools for formatting, converting, inspecting & protecting JSON
JSON Editor
Full tree viewer, search, diff & more
Regex Tester
Live match highlighting
JWT Decoder
Inspect token parts
Base64
Encode & decode
Text Diff
Compare two texts
Hash Generator
SHA-1/256/384/512
UUID Generator
RFC 4122 v4
Cron Builder
Explain cron schedules
Color Converter
HEX · RGB · HSL · HSV · CMYK · palettes
Epoch / Timestamp
Unix ↔ Date ↔ All Formats
Password Gen
Crypto-secure passwords
Markdown Preview
Live render
Thread Dump Analyzer
Deadlocks, states, contention
Heap Dump Analyzer
jmap -histo & .hprof upload
REST API Tester
Send HTTP requests in browser
cURL Builder
Build & parse cURL commands
HTTP Status Codes
1xx–5xx reference guide
Calculator
Standard & scientific calc
Unit Converter
Time, data, length, temp & more
JSON ↔ YAML
Convert between formats instantly
Mock Data Generator
Realistic fake users, orders & more
SQL Formatter
Beautify & format SQL queries
QR Code Generator
Generate QR for any URL or text
Line Sorter
Sort, deduplicate & filter lines
JWT Builder
Build & sign HS256/HS384/HS512 tokens
String Escape
Escape JS, Java, Python, SQL & Regex
HTML Entities
Encode & decode HTML entities
Slug Generator
URL-friendly slugs + case variants
String Toolkit
Transform, extract, clean, split & analyse text
HTML Formatter
Format & minify HTML
CSS Formatter
Beautify & minify CSS
Number Base
Bin / Oct / Dec / Hex
URL Encoder
Encode & decode URLs
Word Counter
Words, chars, sentences
Case Converter
camelCase, snake_case & more
Lorem Ipsum
Placeholder paragraphs/words
Input
1
SelectedPrettify JSON
Output
Paste JSON, choose JSON Tools, then run a tool
or press Ctrl + Enter
Live
—
Date → Timestamp
Pick a date. Get its Unix time.
Date & time
Timestamp → Date
Make any Unix timestamp readable.
UTC
UTC
Your color
Pick a color or enter HEX
#58a6ff
Aa
on White
—
—:1
Aa
on Black
—
—:1
Color values
Edit any format. All values update instantly.
RGB & opacity
Hue, saturation & lightness
Shades & tints
Select a swatch to use it
Color harmonies
Build a palette from your color
Line by line
Summary
JSON A original
JSON B changed
Paste JSON into both panels above — the comparison runs automatically.
🧵
Drop your Thread Dump file here
Supports .txt · .log · .tdump · any plain-text thread dump
s
Query parameters — added automatically to the URL
Response
Send a request to inspect its status, body, and headers.
📥 Import cURL
— paste a cURL command to fill the fields below
Common Examples — click to load
0
HISTORY
No history yet.
⌨️ Keyboard supported · sin / cos / tan use degrees
Time Converter
DETAILS
Type a value in any field to convert.
Enter text above to generate QR code
Input
Case
Code Naming
Other
Output
Uses Google Public DNS-over-HTTPS API (dns.google) — requires internet connection.
How to create a diagram or flowchart
- Draw a shape — click a tool (Rectangle, Diamond, Ellipse, etc.) in the toolbar, then either click-and-drag to size it yourself, or just click once to drop a default-sized shape. The tool auto-switches back to Select when you release.
- Connect shapes — click the Arrow tool, then drag from near the edge of one shape to near the edge of another. The arrow snaps cleanly to the shape's edge.
- Add a caption — double-click any shape to type an explanation below it. Press Enter or click elsewhere to save.
- Label with plain text — click the T tool, click anywhere, and type.
- Move / resize — click the Select tool (arrow icon), then drag a shape to move it, or drag a corner handle to resize.
- Use icons — click the grid icon (🔳) to open 100+ ready-made icons (AWS, databases, flowchart symbols, UML, etc.) and search by name.
- Duplicate — select a shape and press Ctrl+D (or the copy icon) to clone it quickly.
- Undo / Redo — Ctrl+Z / Ctrl+Shift+Z, or use the toolbar buttons.
- Export — use the download icons (top-right) to save as SVG, PNG, or PDF.
Tip: keyboard shortcuts — V Select · R Rectangle · O Ellipse · D Diamond · A Arrow · L Line · P Pencil · T Text
Compute
Database
Networking
Messaging
Security
Storage
DevOps & CI/CD
QA & Testing
Frontend
Languages
Flowchart, UML & ER
Electronics / Circuits
Academic / Student
Generic
Symbols & Operators
Double-click any shape to add a caption · Scroll to zoom · Space+drag to pan