Client-Side Web Tools With Zero Cloud Compromise
High-performance utilities for developers, designers, and professionals. 100% on-device computation without logins or tracking.
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Convert, compress, crop, and resize images in the browser.
- Batch Image Converter (WebP, PNG, JPG)
Convert image formats in bulk with off-main-thread Web Workers and ZIP download. 100% private in-browser.
- Smart Client-Side Image Compressor
Reduce image file size with visual split-viewer quality comparison without server uploads.
- Image to ICO
Trim margins from SVG, PNG, JPG, or WebP and download a multi-size ICO plus matching PNGs as a ZIP.
- JPG to PNG Converter
Convert JPG and JPEG images to lossless PNG format in your browser with zero data uploads.
- PNG to JPG Converter
Convert PNG images to JPG with customizable background color for transparent areas. 100% private.
- SVG to PNG Converter
Rasterize SVG vector files to crisp PNG images at native or custom resolution safely.
- Image Cropper
Crop images online with aspect ratio presets and touch/keyboard controls. Non-destructive.
- Image Resizer (Width & Height)
Resize image dimensions by pixels or percentage with aspect ratio lock and no upscaling distortion.
- YouTube Thumbnail Resizer (1280×720)
Resize images to YouTube 16:9 thumbnail dimensions (1280×720, 1920×1080, 3840×2160) with crop or fit & pad modes locally.
- Open Graph Image Resizer (1200×630)
Resize link-preview artwork to the 1200×630 default or 1200×628 canvas. Crop or pad locally, then check your destination platform’s preview.
- Instagram Image Resizer (1080×1080, 4:5, 9:16)
Resize static JPG, PNG, and WebP images to Instagram dimensions (1080×1080 square, 1080×1350 4:5 portrait, 1080×1920 9:16 story frame) with crop or pad locally.
- Product Image Resizer (1:1 Square, 1000×1000)
Resize e-commerce product photos to square dimensions (1000×1000, 800×800, 1200×1200, 2048×2048) with padding or cropping locally with zero data upload.
- Amazon Product Image Resizer (1000×1000, 2000×2000 Zoom)
Prepare Amazon product photos on 1000×1000, 2000×2000 or 3000×3000 canvases with white padding. Check image rules and subject framing before publishing.
- Shopify Product Image Resizer (2048×2048 Square, 1024, 1200)
Resize Shopify product photos using the 2048×2048 square default or this tool’s 1024×1024 and 1200×1200 alternatives. Crop or pad locally.
Generate visuals and check color accessibility locally.
- SVG Wave & Shape Divider Generator
Generate customizable, organic SVG wave dividers with real-time 60fps preview and multi-format export.
- CSS Glassmorphism & Multi-Layer Shadow Generator
Design modern frosted glass UI effects, multi-layered box-shadows, and export production-ready CSS.
- Mesh Gradient & Fluid Wallpaper Generator
Create smooth mesh gradients with draggable control points, seeded mutations, and 4K PNG exports.
- WCAG 2.2 Color Contrast Checker & Remediation
Check color contrast ratios against WCAG 2.2 standards with smart passing suggestions for AA/AAA.
- Smart Image Palette Extractor
Extract dominant color palettes from images via local Canvas clustering with HEX, RGB, HSL exports.
- Color System Builder
Build primitive scales and light/dark semantic roles from brand colors in the browser—no upload.
- Color System Checker
Audit sRGB/Display-P3 gamut, WCAG 2.2 semantic pairs, and scale quality—then choose explicit remediations.
- Color Token Generator
Export reviewed Color System tokens as CSS custom properties, Tailwind v4 @theme, and DTCG JSON.
Merge PDFs, count words, convert case, and build QR codes privately.
- Client-Side PDF Merger
Merge multiple PDF documents into a single consolidated file in your browser with zero server uploads.
- Client-Side PDF Splitter & Page Extractor
Extract selected pages or split PDF documents into separate files with visual thumbnails.
- Multilingual Word & Character Counter
Count words, characters, sentences, paragraphs, and estimate reading time with CJK Unicode support.
- Case & Code Identifier Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, kebab-case, snake_case, and PascalCase.
- Custom QR Code Generator with Logo & Colors
Create custom QR codes with embedded center logos, gradient colors, dot styles, and vector SVG exports.
Format JSON, encode Base64, and generate passwords in the browser.
- Strict JSON Formatter, Minifier & Validator
Format, validate, and minify JSON with accurate line/column error diagnosis and collapsible tree view.
- UTF-8 Base64 & URL Encoder / Decoder
Safely encode and decode UTF-8 strings, URL components, and convert images into Base64 Data URIs.
- Cryptographically Secure Random Password Generator
Generate high-entropy passwords locally with window.crypto.getRandomValues and custom policy rules.
Compound interest, loan amortization, and percentage calculators.
- Compound Interest Calculator
Calculate compound interest, forecast investment growth curves, and export CSV amortization schedules in browser.
- Loan & Mortgage Amortization Calculator
Compute monthly mortgage payments, total interest breakdown, and detailed amortization schedules.
- Multi-Scenario Percentage Calculator
Solve percentage increase/decrease, ratios, proportions, and percentage differences in real time.