Self-Host IT-Tools: Developer Utility Toolkit 2026

TL;DR

IT-Tools (GPL 3.0, ~20K GitHub stars, Vue.js) is a self-hosted collection of 100+ developer and sysadmin utilities in a clean web interface. Encode/decode Base64, decode JWTs, generate UUIDs, test regex, convert timestamps, generate QR codes, hash strings — all in one place, all running locally, all without sending data to third-party tools online. One Docker container, zero configuration, instant access.

Key Takeaways

• IT-Tools: GPL 3.0, ~20K stars, Vue.js — 100+ utilities in a single web app
• Privacy: Everything runs in-browser — no data sent to any server
• Zero config: docker run and it's ready — no database, no setup
• Categories: Crypto, converter, web, network, math, text, images, development
• Offline capable: Once loaded, most tools work without internet
• Tiny footprint: Static files served by Nginx — ~20MB RAM

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Part 1: Docker Setup

# docker-compose.yml
services:
  it-tools:
    image: corentinth/it-tools:latest
    container_name: it-tools
    restart: unless-stopped
    ports:
      - "8080:80"

docker compose up -d

Visit http://your-server:8080 — instantly usable, no setup required.

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Part 2: HTTPS with Caddy

tools.yourdomain.com {
    reverse_proxy localhost:8080
}

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Part 3: Tool Categories

Crypto / Encoding

Tool	What it does
Base64 encoder/decoder	Encode/decode Base64 text and files
Hash generator	MD5, SHA-1, SHA-256, SHA-512 from text
HMAC generator	Generate HMAC with any hash algorithm
Bcrypt hash	Generate and verify bcrypt password hashes
UUID generator	Generate v1, v4, v7 UUIDs
ULID generator	Generate ULIDs (time-sortable UUIDs)
Encryption/Decryption	AES encrypt/decrypt text
RSA key pair generator	Generate RSA public/private key pairs

Web / Network

Tool	What it does
JWT decoder	Decode and inspect JWT tokens
URL encoder/decoder	Encode/decode URL components
URL parser	Break down URLs into components
HTTP status codes	Reference for all HTTP status codes
MIME types	Lookup MIME types by extension
IPv4 subnet calculator	CIDR, netmask, host range
MAC address lookup	Identify vendor from MAC address
User agent parser	Decode browser user agent strings

Converters

Tool	What it does
JSON ↔ YAML	Convert between JSON and YAML
JSON ↔ CSV	Convert between JSON and CSV
JSON ↔ TOML	Convert between JSON and TOML
XML ↔ JSON	Convert between XML and JSON
YAML beautifier	Format and validate YAML
Unix timestamp	Convert timestamps to/from dates
Color converter	HEX, RGB, HSL, CMYK conversion
Temperature	Celsius, Fahrenheit, Kelvin
Number base	Binary, octal, decimal, hex conversion

Text / String

Tool	What it does
Lorem ipsum generator	Generate placeholder text
Text diff	Compare two text blocks
Regex tester	Test regex patterns with highlighting
Markdown preview	Render Markdown to HTML
Text statistics	Word count, character count, reading time
String case converter	camelCase, snake_case, kebab-case, etc.
Slug generator	Create URL-safe slugs from text
HTML entity encoder	Encode/decode HTML entities

Development

Tool	What it does
Cron expression	Parse and describe cron expressions
Docker run → Compose	Convert docker run to docker-compose.yml
SQL formatter	Format and beautify SQL queries
JSON formatter	Pretty-print and validate JSON
Git cheatsheet	Quick reference for common git commands
chmod calculator	Calculate Unix file permissions
Random port generator	Generate random available port numbers

Images / Media

Tool	What it does
QR code generator	Create QR codes from text/URLs
QR code reader	Decode QR codes from images
SVG placeholder	Generate SVG placeholder images
Camera/Webcam	Capture photos from webcam
Image to Base64	Convert images to Base64 data URIs

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Part 4: Favorite Tools Workflow

Pin favorites

Click the ⭐ star icon on any tool to pin it to your home dashboard. The most-used tools appear at the top.

Search

Use the search bar (or press /) to quickly find any tool by name or keyword.

Direct URL access

Every tool has a stable URL path — bookmark directly:

https://tools.yourdomain.com/base64-string-converter
https://tools.yourdomain.com/jwt-parser
https://tools.yourdomain.com/uuid-generator
https://tools.yourdomain.com/crontab-generator
https://tools.yourdomain.com/docker-run-to-docker-compose-converter

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Part 5: Use Cases

Decode a JWT token quickly

1. Open JWT Parser
2. Paste the token
3. See: header, payload, signature, expiry time — all decoded instantly

Debug a cron expression

1. Open Cron Expression Describer
2. Enter: 0 */6 * * 1-5
3. Output: "At minute 0, every 6th hour, Monday through Friday"

Convert docker run to compose

1. Paste: docker run -d -p 8080:80 -v data:/data --name myapp myimage:latest
2. Get:

services:
  myapp:
    image: myimage:latest
    ports:
      - "8080:80"
    volumes:
      - data:/data

Calculate subnet

1. Enter: 192.168.1.0/24
2. Get: Netmask 255.255.255.0, 254 usable hosts, range 192.168.1.1 - 192.168.1.254

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IT-Tools vs CyberChef vs DevToys

Feature	IT-Tools	CyberChef	DevToys
Platform	Web (self-host)	Web (self-host)	Desktop (Windows/Mac)
Tool count	100+	300+ (operations)	30+
Interface	Clean, modern	Complex recipe builder	Native desktop
Chaining	No	Yes (recipes)	No
Privacy	All client-side	All client-side	Local only
Ease of use	Very easy	Learning curve	Very easy

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Maintenance

# Update:
docker compose pull
docker compose up -d

# That's it — no database, no config, no state to manage.
# IT-Tools is a stateless web app.

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See all open source developer tools at OSSAlt.com/categories/developer-tools.