#1 Paid App in Developer Tools

Every dev tool,
one click away.

Stop context-switching to random websites. 50+ developer utilities, encode, format, hash, convert, all from your macOS menu bar.

Download on the App Store
One-time $4.99 No accounts required macOS 13+
5.0 on the Mac App Store
Devly — JSON Formatter
Devly JSON Formatter preview
JSON Formatter Base64 Encode Hash Generator JWT Decoder URL Encode Password Hash Regex Tester XML Formatter HTTP Status Port Lookup YAML Formatter UUID Generator JSON Formatter Base64 Encode Hash Generator JWT Decoder URL Encode Password Hash Regex Tester XML Formatter HTTP Status Port Lookup YAML Formatter UUID Generator
50+Developer Tools
$4.99One-time purchase
#1Paid in Developer Tools
v1.3.0Latest Version
Encoding

Encode and decode anything, instantly

Base64, URL, HTML entity, JWT, Unicode, Binary/Hex, Morse code — every encoding format you reach for, available in one place without opening a browser tab.

  • Standard and URL-safe Base64 with line wrapping options
  • JWT decoder shows header, payload, and expiry at a glance
  • Swap mode reverses any bidirectional tool in one click
Base64 encoding tool
Base64 Encoder
Encoding category
Hashing

Cryptographic hashing, done locally

MD5, SHA-1, SHA-256, SHA-512, HMAC, PBKDF2, and all 9 UUID versions — all processed on-device. No accounts, no servers, no sending your data anywhere.

  • Generate all hash variants simultaneously with one click
  • PBKDF2 password hashing with custom salt and iterations
  • Full UUID support: v1, v2, v3, v4, v5, v6, v7, v8, and nil
Hash generator tool
Formats

Format, validate, and convert data

JSON, YAML, XML, SQL, GraphQL, TOML, CSV — format any structured data with smart indentation, validation, and instant bidirectional conversion.

  • JSON formatter with syntax highlighting, pretty and minify modes
  • XML ↔ JSON and JSON ↔ YAML bidirectional conversion
  • Markdown live preview with side-by-side HTML output
XML to JSON converter
Why Devly

Built for the way you work

Not just another toolbox. Designed to get out of your way and keep you in flow.

50+

Tools included

Encoding, hashing, formatting, conversion, text processing, and dev utilities, all in one app.

Lives in your menu bar

One click to open, ⌘K to search any tool. No dock clutter, no window juggling.

Privacy first

No accounts. No tracking. No analytics. Your data is processed locally and never stored or shared.

Keyboard first

⌘↵ to process, ⇧⌘C to copy output, ⌘S to swap, ⌘L to clear. Do everything without touching the mouse.

$4.99

One-time price

No subscription. Pay once, use forever. Free updates always included.

HTTP & Port lookup

Look up any status code or port number instantly. Name, protocol, description in one shot.

Standalone window

Prefer a floating window? Detach from the menu bar and use Devly as a full app.

Browse

All 50+ tools

Every tool in Devly, organized by category. Search to find exactly what you need.

No tools match your search.

Encoding & Decoding
Base64 Encoder
Base64 Decoder
URL Encoder
URL Decoder
HTML Entity Encoder
HTML Entity Decoder
JWT Decoder
Unicode Encoder
Binary / Hex Encoder
Morse Code Encoder
Hashing & Security
MD5 Hash
SHA-1 Hash
SHA-256 Hash
SHA-512 Hash
HMAC Generator
PBKDF2 Hash
UUID Generator (v1–v8)
Password Generator
Formatters & Validators
JSON Formatter
JSON Minifier
XML Formatter
YAML Formatter
SQL Formatter
GraphQL Formatter
TOML Formatter
CSV Formatter
Markdown Preview
HTML Formatter
CSS Formatter
Converters
JSON ↔ YAML
XML ↔ JSON
JSON ↔ CSV
Number Base Converter
Unix Timestamp Converter
Color Converter
CSS Units Converter
CSV ↔ Markdown Table
Text & String Utilities
Case Converter
Line Sorter
Duplicate Line Remover
Regex Tester
Word & Char Counter
Text Diff Viewer
Lorem Ipsum Generator
Slug Generator
JSON Escape / Unescape
Network & Dev Reference
HTTP Status Lookup
Port Lookup
MIME Type Reference
DNS Record Types
Cron Expression Parser
HTML Color Names

Rated 5 stars on the Mac App Store

Developer Tools · Mac App Store

From the Blog

Guides for
Mac developers.

Practical articles on the tools you use every day, written by developers who actually use them.

View all articles
Devly JSON Formatter showing pretty-printed JSON with syntax highlighting on Mac
JSON Tools
The Best JSON Formatter for Mac Developers

Stop pasting production JSON into browser tabs. Devly formats, validates, and minifies JSON instantly from your macOS menu bar. Native, offline, no privacy risk.

Read article
Devly hash generator showing MD5, SHA-256, and SHA-512 outputs on Mac
Hashing
Hash Generator for Mac: MD5, SHA-256, and More Without the Browser

Generate cryptographic hashes locally on your Mac. No pasting sensitive data into online tools.

Read article
Devly URL encoder and decoder tool running natively on macOS
Encoding
URL Encoder and Decoder for Mac: Stop Doing This in Your Browser

Percent-encode and decode URL strings natively on your Mac. Slug generation included.

Read article
FAQ

Questions answered

Everything you need to know about Devly. Still have questions? Get in touch.

Devly puts 50+ essential developer utilities right in your macOS menu bar. Stop switching context to random websites for JSON formatting, Base64 encoding, hash generation, and more. Everything is local, instant, and always one click away.
Almost everything runs entirely on your device. No accounts, no tracking, no servers. Your input is processed locally and never stored beyond the current session.
No. Devly is a one-time purchase of $4.99. No subscriptions, no recurring charges, ever. Future updates are free.
Devly requires macOS 13.0 (Ventura) or later. It runs natively on both Apple Silicon and Intel Macs.
50+ tools across encoding, hashing, data formatting, text processing, web dev utilities, and developer references, with more added in free updates.

Your tools.
Always there.

50+ developer utilities in your macOS menu bar. One purchase, no subscription, no accounts required.

Download on the App Store

Requires macOS 13+ · $4.99 one-time · No subscription

50+
Developer tools included
0
Data collected or stored
#1
Paid app in Developer Tools