📝 Text & Document Tools
Word Counter
Count words, characters, sentences and paragraphs online. Supports mixed text with reading time estimation.
Text Case Converter
Convert text between uppercase, lowercase, title case, camelCase, snake_case and more.
Markdown Editor
Online Markdown editor with live preview. Supports common syntax highlighting.
Text Diff Checker
Compare two texts and highlight differences. Line-by-line diff with statistics.
Text Sorter
Sort lines alphabetically, by length, shuffle randomly, remove duplicates or reverse order.
Lorem Ipsum Generator
Generate placeholder text with custom paragraphs, sentences, or words.
Text Dedup
Remove duplicate lines from text. Case-insensitive and trim options.
Markdown to HTML
Convert Markdown to HTML with live preview and one-click copy.
🖼️ Image Tools
Image Compressor
Compress image file size online. Supports JPG, PNG and WebP formats with quality control.
Image Cropper
Crop images with custom aspect ratio. Free, 1:1, 4:3, 16:9 presets.
Image Resizer
Resize images to any dimension. Lock aspect ratio, use preset sizes.
Image Converter
Convert images between JPG, PNG and WebP formats. Batch supported.
Image Watermark
Add text watermarks to images. Customize font, color, opacity and position.
Image Rotate
Rotate and flip images. Quick 90° turns or custom angles.
Color Converter
Convert between HEX, RGB and HSL color formats. Built-in color picker with palette generation.
Color Palette Generator
Generate beautiful color palettes from any base color. 5 harmony schemes.
Background Remover
Remove image backgrounds automatically using AI. Download as transparent PNG.
Add Text to Image
Add custom text to images. Customize font, size, color, and position.
💻 Developer Tools
JSON Formatter
Format, validate, minify and convert JSON. Syntax highlighting with error detection.
Base64 Encoder / Decoder
Convert between text and Base64. Supports file encoding and decoding.
Timestamp Converter
Convert between Unix timestamps and human-readable dates. Live timestamp display.
UUID Generator
Generate cryptographically random UUID v4 identifiers. Bulk generation supported.
HTML to Markdown
Convert between HTML and Markdown. Real-time preview with one-click copy.
URL Encoder / Decoder
Encode and decode URLs. Supports encodeURIComponent and encodeURI modes.
CSV to JSON Converter
Convert between CSV and JSON formats. Custom delimiter support.
Regex Tester
Test regular expressions with real-time highlighting. Common regex templates.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or files.
JWT Decoder
Decode and inspect JSON Web Tokens — headers, payload, and expiration.
HTML Entity Encoder
Encode and decode HTML entities between named, decimal and hex formats.
Unit Converter
Convert between length, weight, temperature, area, volume and speed units.
🛡️ Security & Privacy Tools
Password Generator
Create strong, random passwords with customizable length and character options.
QR Code Generator
Generate QR codes from text or URLs. Custom size and colors. Download as PNG.
QR Code Scanner
Upload a QR code image to decode its content. Supports URLs, text, and more.
Calculator
Standard and scientific calculator with keyboard support and history.
📄 PDF Tools
PDF Merge
Merge multiple PDF files into one. Drag to reorder pages before merging.
PDF Split
Split PDF by page range, extract specific pages, or split into equal parts.
PDF Compressor
Reduce PDF file size with configurable compression levels.
PDF to Image
Convert PDF pages to PNG or JPG images. Adjustable scale and quality.
Image to PDF
Convert JPG, PNG, WebP images to a single PDF file. Custom page size and orientation.
PDF Watermark
Add text watermarks to PDF pages. Customize font, size, opacity and angle.
Why Choose Vaultool?
Instant Access
No software installation needed. Open your browser and start using any tool immediately.
Privacy First
All processing happens locally in your browser. Your files never leave your device.
100% Free
All tools are free to use with no hidden charges or feature limitations.
Works Everywhere
Fully responsive design. Works on desktop, tablet and mobile devices.