AdminSo DevToolbox

Data Format

JSON Formatter
YAML ↔ JSON

Encoding / Decoding

Base64 Encode/Decode
URL Encoder/Decoder
JWT Decode
Hash Generator
ASCII Converter
Base64 Image Encoder
Markdown Editor
QRCode Generator
Favicon Generator
Image Compressor
WiFi QR Code
HTML Entities Encode/Decode
JS/CSS/HTML Minify/Beautify

Code Runner

Python Compiler
SQL Editor
HTML/CSS Playground
Tailwind Playground

Regex & Testing

Regex Tester
Regex Visualizer
Webhook Tester
PowerPoint Search

AI Assistant

AI Code Generator
AI Code Commenter

PDF Tools

PDF Merge & Split
PDF Compressor
PDF ↔ Image Converter
PDF Watermark & Page Number
PDF Encrypt / Decrypt
Add Image to PDF
PDF to Word
PDF to HTML
PDF Page Manager
PDF to Excel
PDF Metadata Editor
PDF Reader
PDF Signature
PDF Annotation

Network & Misc

IP/DNS Lookup
Diff Checker
CSS Gradient
Color Converter
SVG Placeholder
Image Converter
GIF Maker
Photo Copy Effect
SVG to Image
Online Whiteboard
Cron Expression Generator
HTTP Client

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PDF Reader

View PDF files directly in your browser — page navigation, zoom, and more

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✓ All processing happens locally in your browser — no file upload, no server.

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