Never Upload Private Files
to Unknown Servers Again.
zenlyta executes image compression, conversion, resizing, and editing directly inside your browser. Your sensitive data never leaves your device. 100% private and offline-ready.
Free online tools for your files
Everything you need to compress, convert, resize and manage common file formats.
Compress Image
Optimize JPG, PNG, and WebP size using local Canvas compression.
Resize Image
Scale resolutions down with custom aspect ratio locking.
Crop Image
Trim and crop images to any custom dimension or aspect ratio.
Remove Background
Erase solid-color backgrounds from images client-side.
Image Upscaler
Upscale images up to 4× using browser-based interpolation.
JPG to PNG
Convert JPG images to uncompressed PNG format.
PNG to JPG
Flatten PNG assets into compressed JPG files.
WebP to JPG
Decode modern WebP binaries back into traditional JPG.
JPG to WebP
Convert JPG into lightweight next-gen WebP structures.
PNG to WebP
Compress PNG transparency vectors to WebP format.
WebP to PNG
Convert WebP images to lossless PNG format in your browser.
SVG to PNG
Rasterize SVG vector graphics to PNG bitmap format.
HEIC to JPG
Convert iPhone HEIC photos to universally supported JPG.
HEIC to PNG
Convert iPhone HEIC photos to lossless PNG format.
AVIF to JPG
Convert modern AVIF images to universally supported JPG.
AVIF Converter
Convert AVIF files to JPG, PNG or WebP formats locally.
EPS to PNG
Convert EPS vector graphics into transparent PNG images.
TIFF to JPG
Convert raw or compressed TIFF files into standard JPGs.
PDF to JPG
Extract and convert PDF pages into high-resolution JPG images.
Image to PDF
Pack one or more images into a clean PDF document.
PNG to ICO
Convert PNG images into ICO icon files for websites and apps.
Favicon Generator
Generate multi-size ICO and PNG favicons from any image.
Compress PNG
Reduce PNG file size while preserving transparency locally.
Add Watermark
Stamp text or image watermarks onto photos in browser.
Blur Background
Apply blur effects to image backgrounds locally.
Blur Image
Apply Gaussian blur to entire images with adjustable intensity.
Change Brightness
Adjust image brightness, contrast, and saturation online.
Black & White
Convert color photos into dramatic black and white images.
Invert Colors
Negative color inversion for photos and graphics client-side.
Round Corners
Apply smooth rounded corners or circular masking to images.
Rotate Image
Rotate photos 90°, 180°, 270°, or set custom angles losslessly.
Flip Image
Flip images horizontally or vertically in your browser instantly.
Split Image
Slice images into equal grid tiles or custom puzzle pieces.
Collage Maker
Combine multiple images into a single custom collage layout.
Meme Generator
Add custom top and bottom text captions to any image.
Photo Colorizer
Apply color tints, filters, and retro tones to photos.
Color Picker
Extract HEX, RGB, and HSL color values from any image.
Color Palette Extractor
Automatically generate dominant color palettes from photos.
Aspect Ratio Calculator
Calculate dimensions and ratios (16:9, 4:3, 1:1) instantly.
Passport Photo Maker
Crop and format photos to official passport & visa dimensions.
DICOM Viewer
View and inspect medical DICOM image files directly in browser.
EXIF Inspector
Parse binary metadata & EXIF headers right in browser memory.
Remove EXIF
Strip GPS, camera, and private EXIF data from photos for privacy.
Extract Text (OCR)
Recognize and extract text content from images client-side.
Image to Base64
Encode images to Base64 data URI strings in browser.
Base64 to Image
Decode Base64 strings back into viewable and downloadable images.
Image Overlay
Superimpose two images with opacity and blending mode controls.
Pixelate Image
Apply pixelate effects to images in browser.
Sprite Sheet Generator
Combine multiple icons or frames into a single CSS sprite sheet.
SVG Optimizer
Clean, minify, and shrink SVG code for web performance.
01. Zero-Server Transmission
Files processed inside zenlyta never leave your RAM. Operations execute 100% locally via WebAssembly and Web Workers.
02. Hardware Acceleration
Built on standard browser Canvas and V8 JIT execution to process images at raw CPU performance.
03. Offline Operational Baseline
Once initial asset scripts load, zenlyta continues to process payloads seamlessly even without an active internet connection.
Image tools designed with privacy in mind
Image workflows often involve files people would rather not share unnecessarily. Our 50 available image tools process your files in the browser wherever technically possible.
Privacy-first architecture
Tools can be designed to process files locally in the browser, reducing unnecessary data transfer.
Simple and focused
No complicated desktop interface. Choose a tool, add your file, process it and download the result.
Works across devices
The website is designed for modern desktop and mobile browsers without requiring traditional software installation.
Frequently asked questions
Are these file tools free?
Do I need to install software?
Are my files uploaded?
What file formats are supported?
Can I use these tools on my phone?
Choose an image tool and get started.
No complicated setup. Pick one of the 50 available image tools and continue in your browser.
Browse image tools →Support Our Privacy-First Architecture
Maintaining a zero-server, client-side engine requires continuous development, security audits, and performance optimization. Your donation keeps all 50 available image tools free, private, and fast — without ever compromising your files.