UD5 Toolkit
Image Text Watermark Tool - Online Batch Add Copyright
Add semi-transparent text watermark to images. Customize position, opacity, rotation, and font. Batch processing with instant download. Fully local & private.
Tag: Batch File Converter & Renamer
7+ toolsImage Format Batch Converter - Online to PNG, WebP, JPEG, AVIF
Drop a folder of images and convert all to the same format at once. Choose quality and download as ZIP. Local only.
Image to WebP Converter - Online Bulk Optimize
Convert images to WebP format with configurable quality. See file size savings. Batch process multiple files. All local.
Bulk SVG to PNG Converter - Online Batch Export
Convert multiple SVG files to high‑resolution PNGs at once. Set custom dimensions. All local rendering.
Batch Text Case Converter - Online File/List Processor
Paste a list of words or lines and convert all to UPPERCASE or lowercase at once. Also supports title case.
Batch QR Code Generator - Online Multiple Codes at Once
Paste a list of URLs or texts and generate QR codes all at once. Download as individual images or a single sheet.
Batch Image to Base64 Encoder - Online Multiple Files
Convert multiple images to Base64 data URIs at once. Copy individually or as a JSON array. Great for inline assets. Local.