Skip to main content
DevUtility.hub
Dev ToolsText ToolsCSS ToolsAI Tools
PrivateSupport

Popular Tools

  • JSON Formatter
  • Regex Tester
  • Base64 Encoder/Decoder
  • Password Generator
  • Color Converter
  • JWT Decoder
  • Timestamp Converter
  • URL Encoder/Decoder

Recently Added

  • Data Size Converter
  • Unit Converter
  • AI Context Window Calculator
  • AI Diff Explainer Prep
  • AI JSON-to-Prompt Generator
  • AI README Generator Prep
  • AI API Cost Calculator
  • AI Code Reviewer Prep

Resources

  • Tool Comparisons
  • How-To Guides
  • Developer Blog
  • About DevUtility Hub
  • Contact Us
  • Privacy Policy
  • Terms of Service

All 117 Developer Tools

  • JSON Formatter
  • Data Sanitizer
  • Base64 Encoder/Decoder
  • URL Encoder/Decoder
  • Hash Generator
  • JWT Decoder
  • XML to JSON Converter
  • Timestamp Converter
  • Regex Tester
  • UUID / ID Generator
  • Password Generator
  • Cron Expression Parser
  • SQL Formatter
  • Number Base Converter
  • Security Headers Generator
  • JSON Path Explorer
  • CSV Viewer & Converter
  • Meta Tag Generator
  • JSON to TypeScript Converter
  • YAML ↔ JSON Converter
  • JSON to CSV Converter
  • JSON Schema Generator
  • QR Code Generator
  • Image to Base64 Converter
  • Unix Chmod Calculator
  • JavaScript Keycode Finder
  • HTTP Status Code Reference
  • HTML Entity Encoder/Decoder
  • Open Graph Preview Tool
  • .gitignore Generator
  • HTML Minifier
  • JavaScript Minifier
  • JSON Validator
  • IP Address Analyzer
  • HTML Prettifier
  • JavaScript Formatter
  • Backslash Escape/Unescape
  • Random Number Generator
  • Placeholder Image Generator
  • SVG Optimizer
  • HTML Table Generator
  • JSON Diff
  • DNS Lookup
  • Text Diff & Merge
  • YAML Validator
  • Crontab Generator
  • JWT Generator
  • Password Strength Checker
  • URL Parser
  • Image Resizer
  • Social Media Mockup
  • WiFi QR Code Generator
  • EXIF Data Viewer
  • PDF Signature Tool
  • SQL ↔ CSV Converter
  • Am I Pwned? Checker
  • Live HTML Preview
  • PDF Merge
  • PDF Split
  • JSON to Zod Schema
  • Docker Run to Compose
  • AES Encrypt / Decrypt
  • Image Compressor
  • HMAC Generator
  • Percentage Calculator
  • Data Size Converter
  • Unit Converter
View all dev tools
  • Case Converter
  • Word Counter
  • Text Diff Checker
  • Find & Replace
  • Markdown Preview
  • Text Tone Rewriter
  • HTML to Markdown
  • Text Cleaner
  • Lorem Ipsum Generator
  • URL Slug Generator
  • Markdown Table Generator
  • String Escape/Unescape Tool
  • Emoji Picker
  • Character Counter
  • Text to Binary Converter
  • Text to HTML Converter
  • Byte Counter
  • Text to Handwriting Converter
View all text tools
  • Color Converter
  • CSS Gradient Generator
  • Box Shadow Generator
  • CSS Flexbox Playground
  • CSS Grid Generator
  • Border Radius Generator
  • Aspect Ratio Calculator
  • Color Palette Generator
  • CSS Minifier
  • Tailwind CSS to CSS Converter
  • CSS Unit Converter
  • CSS Formatter
  • Color Blindness Simulator
  • HEX to RGB Converter
  • Favicon Generator
  • CSS Clip Path Generator
  • CSS Animation Generator
  • Color Mixer
  • CSS Triangle Generator
View all css tools
  • AI Prompt Cleaner
  • AI Text Summarizer Prep
  • AI Code Explainer Prep
  • AI Regex Prompt Builder
  • AI Commit Message Generator Prep
  • AI TODO Extractor
  • AI Token Counter
  • AI Context Window Calculator
  • AI Diff Explainer Prep
  • AI JSON-to-Prompt Generator
  • AI README Generator Prep
  • AI API Cost Calculator
  • AI Code Reviewer Prep
View all ai tools
DevUtility.hub

117+ Free Developer Tools · 100% Client-Side · Zero Tracking

Support

© 2026 DevUtility Hub. All rights reserved.

HomeToolsImage Resizer

Image Resizer

Resize images in the browser. Set custom dimensions, choose output format (PNG/JPEG/WebP), adjust quality. No upload required.

Client-side only

Drop an image here or click to upload

This tool saved you time?

DevUtility Hub is free forever. If it helped you, consider buying us a coffee.

Buy Me a Coffee

Recommended Tools & Services

DigitalOcean$200 Free

Get $200 free credit — deploy apps, databases & more

JetBrains All ProductsEditor Choice

Professional IDEs for every language — 30-day free trial

Vercel ProWe Use It

Ship faster with zero-config deployments

Sponsored links

Sponsored

How to Use the Image Resizer

Drop or upload an image, set your desired dimensions, choose the output format and quality, then download.

Features

  • Aspect Ratio Lock — Maintain proportions while resizing.
  • Multiple Formats — Export as PNG, JPEG, or WebP.
  • Quality Control — Adjust compression for JPEG/WebP.
  • Presets — Quick buttons for common sizes.
  • 100% Private — Images never leave your browser.
  • Common Use Cases

  • Social Media — Resize images for various platform requirements.
  • Web Optimization — Reduce image file sizes for faster loading.
  • Thumbnails — Generate consistent thumbnail sizes.
  • Related Tools You Might Like

    JSON Formatter

    Validate, prettify, and minify JSON data instantly in your browser. No data leaves your device.

    Data Sanitizer

    Remove emails, phone numbers, and PII from text before pasting into AI tools. Safe AI prompting made easy.

    Base64 Encoder/Decoder

    Encode text to Base64 or decode Base64 strings instantly. Useful for API tokens, data URIs, and debugging.

    Border Radius Generator

    Create custom CSS border-radius values visually. Control each corner independently with live preview and code output.

    Find & Replace

    Advanced find and replace with regex support. Process large text files entirely in your browser.

    HTML to Markdown

    Convert HTML to clean Markdown. Handles headings, links, images, tables, code blocks, and blockquotes.