Unleash the Next-Gen
File Processing Tools
100% client-side processing. Your files never leave your device.
Image Compressor
Reduce file size without visible quality loss
PDF Compressor
Ghostscript WASM — real compression engine
PDF Merger
Combine multiple PDFs in any order
Image Converter
PNG, JPG, WebP, GIF
QR Generator
Custom colours and sizes
JSON Tools
Format, minify and validate JSON
PDF to Images
Export every page as PNG / JPG
Password Gen
Cryptographically secure passwords
Watermark Tool
Add text overlays to images
PDF Watermark
Add text, stamps & annotations
PDF Converter
PDF to Text, HTML or Images
Word Tools
DOCX to HTML, Text and more
Read our blog for tips & tutorials →
Image Compressor
Image Converter
Precision Resize
Image Cropper
Image Filters
Watermark Tool
PDF Compressor
PDF Merger
Page Extractor
PDF to Images
Images to PDF
Rotate PDF
PDF Watermark
PDF Converter
Word Tools
Text Case Converter
Word Counter
Text Compare
JSON Formatter
Base64 Encoder
CSV Converter
QR Code Generator
Password Generator
Color Picker
Color Harmonies
NextGen Blog
Tips, tutorials and insights about file processing.
About NextGen Tools
NextGen Tools is a collection of powerful, client-side file processing utilities. All operations are performed directly in your browser — your files never leave your device.
Privacy first
We process everything locally. No uploads. No servers. No tracking. Your data stays yours.
Tools available
- 6 Image tools — compress, convert, resize, crop, filter, watermark
- 6 PDF tools — compress (Ghostscript WASM), merge, split, to images, from images, rotate
- 6 Text tools — case converter, word counter, compare, JSON, Base64, CSV
- 3 Utility tools — QR generator, password generator, colour picker
Technology
- Ghostscript WASM for professional PDF compression
- PDF-lib for PDF creation and manipulation
- PDF.js v3 for PDF rendering
- Canvas API for image processing
- JSZip for archive creation
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