Fast, Private & Free Online Utilities
100% client-side PDF, image, text, and developer tools. Zero server compute, zero latency, absolute privacy.
Image Compressor (Batch & In-Browser)
Compress JPG, PNG, and WebP images up to 80% without losing quality. Multi-file batch support, 100% private in-browser.
Image Resizer & Format Converter
Resize images by exact pixels or percentage with aspect ratio lock. Convert formats (PNG, JPG, WebP) in-browser.
Batch Image Format Converter
Convert PNG, JPG, WebP, AVIF, and BMP images in batch with quality control. 100% in-browser.
Photo EXIF & GPS Metadata Remover
Strip hidden GPS location, camera model, and device metadata from photos. 100% private in-browser.
Image Color Palette Extractor & Eyedropper
Extract dominant color palettes and pick exact pixel colors from photos. 100% in-browser.
SVG to PNG, JPEG & WEBP Converter
Convert vector SVG graphics to high-resolution PNG, JPEG, and WEBP images at any scale. 100% in-browser.
Aspect Ratio Calculator & Dimension Resizer
Calculate exact image, video, and screen aspect ratios and resize dimensions proportionally. 100% in-browser.
Image Filter Studio & Photo Effects
Apply real-time photo filters, lighting, contrast, saturation, and color grading effects with HD export. 100% in-browser.
Image ⇄ Base64 & Data URI Converter
Convert images (PNG, JPG, SVG, WEBP) to Base64 Data URIs, HTML img tags, CSS background rules, and decode Base64 to image files. 100% in-browser.
Custom Placeholder & Dummy Image Generator
Generate customized dummy placeholder images with exact dimensions, custom colors, text labels, and grid patterns. 100% in-browser.
Why Choose HerBokolog?
Engineered with modern web standards for maximum speed and privacy.
Uncompromising Privacy
Unlike traditional sites, your confidential documents, photos, and secrets never leave your device.
Instant Local Speed
Powered by WebAssembly, Web Workers, and Canvas API. Zero upload wait queues or remote server latency.
No Artificial Limits
Enjoy unrestricted usage without paywalls, countdown timers, or forced email registrations.