NDNCIFree Online Tools & Utilities
Discover our collection of privacy-focused tools. All processing happens locally in your browser.
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Base64 Encoder/Decoder
Encode or decode Base64 strings.
URL Encoder/Decoder
Encode or decode URLs quickly.
Image Difference Finder
Find differences between two images.
Image Trimmer
Automatically trim extra space around images
Image Optimizer
Optimize and compress images with quality control
Background Remover
Remove background from images using AI
Text Difference Finder
Find differences between two texts.
Text Case Converter
Convert text between uppercase, lowercase, and title case.
Signature Maker
Create and manage digital signatures.
UUID Generator
Generate UUIDs of different versions with customizable options.
Hash Generator
Generate hashes using MD5, SHA-1, SHA-256, and more.
Code Minifier/Unminifier
Minify or unminify JavaScript, CSS, HTML and JSON code.
Code Formatter/Beautifier
Format and beautify code.
Color Converter
Convert colors between HEX, RGB, HSL, OKLab, and OKLCH formats with color scheme generator.
Markdown/HTML Converter
Convert between Markdown and HTML in both directions.
TOTP Generator
Generate and manage Time-based One-Time Passwords (TOTP) for two-factor authentication.
QR Code Generator
Generate custom QR codes with various options including colors, error correction, and formats.
QR Code Scanner
Scan QR codes with your camera or upload an image to decode QR code content.
Clipboard Tester
Test your clipboard content with real-time paste detection for text, images, and more.
TTS Player
Universal audio player for Text-to-Speech APIs with multi-provider support.
PDF Form Filler
Fill PDF forms easily with automatic field detection, text annotations, signatures, and more.
Link Preview Generator
See how your link looks on social media platforms.