stakritools
Developer
  • Base64 Encoder/Decoder
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Image
  • Favicon Generator
  • Image Compressor
  • Image Cropper
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  • Image Resizer
  • Image Rotator
  • Image to Base64
  • JPG to PNG Converter
  • PNG to JPG Converter
  • QR Code Generator
  • SVG to PNG Converter
  • Watermark Image
  • WebP Converter
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SEO
  • FAQ Schema Generator
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Text
  • Case Converter
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stakritools

205+ free, browser-based tools for developers, marketers, and creators — no sign-up, no clutter.

Developer Tools

  • Base64 Encoder/Decoder
  • Color Picker & Converter
  • CSS Minifier
  • CSV to JSON Converter
  • Hash Generator
  • HTML Minifier
  • JS Minifier
  • JSON Formatter & Validator
  • JSON to CSV Converter
  • JWT Decoder
  • Markdown Editor
  • Password Generator
  • Regex Tester
  • SQL Formatter
  • Unix Timestamp Converter
  • URL Encoder/Decoder
  • UUID Generator
  • XML Formatter
  • YAML Formatter

Image Tools

  • Favicon Generator
  • Image Compressor
  • Image Cropper
  • Image Flipper
  • Image Resizer
  • Image Rotator
  • Image to Base64
  • JPG to PNG Converter
  • PNG to JPG Converter
  • QR Code Generator
  • SVG to PNG Converter
  • Watermark Image
  • WebP Converter

SEO Tools

  • FAQ Schema Generator
  • Meta Description Generator
  • Open Graph Generator
  • Robots.txt Generator
  • SEO Site Auditor
  • SERP Preview
  • Slug Generator
  • Twitter Card Generator

Text Tools

  • Case Converter
  • Find and Replace
  • Lorem Ipsum Generator
  • Random Text Generator
  • Remove Duplicate Lines
  • Remove Extra Spaces
  • Text Diff Checker
  • Word Counter

Calculator Tools

  • Age Calculator
  • BMI Calculator
  • Compound Interest Calculator
  • Date Difference Calculator
  • Discount Calculator
  • EMI Calculator
  • GST Calculator
  • Income Tax Calculator
  • Loan Calculator
  • Percentage Calculator
  • SIP Calculator
  • Tip Calculator
  • Unit Converter

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  1. Home
  2. Image

Image Tools

13 tools

Compress, convert, resize, and edit images in your browser.

Image tools

Favicon Generator

Image

Upload a PNG, JPG, or SVG image and generate every standard favicon size — 16×16, 32×32, 48×48, 64×64, 128×128, and 256×256 — right in your browser. Preview each size, download them individually, or grab them all as a ZIP.

Use Free

Image Compressor

Image

Compress JPG, PNG, WebP, and GIF images right in your browser — batch upload multiple files, adjust quality with a slider, and see before/after size savings instantly. Nothing is ever uploaded to a server.

Use Free

Image Cropper

Image

Crop an image right in your browser by dragging a selection box, with Free, 1:1, 4:3, 16:9, and 3:2 aspect ratio presets. See the exact crop dimensions, preview the result live, and download the cropped image.

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Image Flipper

Image

Flip a JPG, PNG, or WebP image horizontally, vertically, or both — right in your browser using the Canvas API. See a live before/after preview and download the flipped result instantly.

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Image Resizer

Image

Resize JPG, PNG, and WebP images to an exact width and height, right in your browser. Lock the aspect ratio, or jump straight to a social media or video preset like HD, 4K, or Twitter.

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Image Rotator

Image

Rotate a JPG, PNG, or WebP image by 90°, 180°, 270°, or any custom angle from 0–360°, right in your browser using the Canvas API. See a live before/after preview and download the rotated result instantly.

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Image to Base64

Image

Convert a JPG, PNG, WebP, GIF, or SVG image to a Base64 string, right in your browser. Copy the raw Base64 or the full data URI, and see exactly how much larger the encoded text is than your original file.

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JPG to PNG Converter

Image

Convert JPG images to lossless PNG right in your browser. Drag and drop a file, preview before and after, and compare file sizes — all computed client-side with the Canvas API.

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PNG to JPG Converter

Image

Convert PNG images to JPG right in your browser. Pick a background color to fill transparent areas, adjust the quality slider, and compare before/after file size — all client-side.

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QR Code Generator

Image

Create a QR code from a URL, plain text, email address, or phone number. Customize size, error correction, and colors, then download as PNG or SVG.

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SVG to PNG Converter

Image

Convert an SVG file to a PNG image at any custom width and height, right in your browser. Choose a transparent, white, or custom background color, and download the rasterized result instantly.

Use Free

Watermark Image

Image

Add a text or logo watermark to any JPG, PNG, or WebP image, right in your browser. Control font size, color, opacity, and position — including a repeating tile pattern — using the Canvas API.

Use Free

WebP Converter

Image

Convert JPG and PNG images to WebP, or convert WebP back to JPG and PNG — all in your browser. Adjust the WebP quality slider and compare before/after file size, with no upload required.

Use Free

About Image Tools

Images are usually the heaviest assets on any page, and the difference between a fast site and a slow one often comes down to whether someone took thirty seconds to compress and resize images before uploading them. Our image tools handle the most common image jobs — compression, format conversion, resizing, cropping, favicon generation, and QR codes — entirely in your browser, with no upload-and-wait cycle.

Everyday Image Jobs, Solved Instantly

The Image Compressor is built around a simple problem: most images straight out of a camera or a design tool are far larger than they need to be for the web, and shrinking them meaningfully reduces page load time without a visible quality loss. The WebP Converter, PNG to JPG, and JPG to PNG tools solve the equally common problem of needing a specific format for a specific use case — WebP for modern browsers that support it, JPG when you need broad compatibility and smaller file sizes for photos, PNG when you need transparency or lossless quality for graphics and screenshots. The Image Resizer lets you set exact pixel dimensions or scale proportionally, which matters when a platform has strict upload requirements (a profile photo, a banner ad, a product thumbnail). The Image Cropper adds a visual, draggable crop interface so you can frame exactly the part of an image you need without guessing at coordinates.

Beyond the core conversion and compression tools, the Favicon Generator takes a single source image and produces a complete set of favicon sizes and formats for browsers, iOS home screens, and Android — a task that's fiddly to do by hand but takes seconds here. The QR Code Generator, one of the most-used tools on the platform, turns any URL, plain text, or contact card into a scannable code, with options for size and error-correction level, ready to drop into a poster, a business card, or a digital menu.

Everything Runs Locally — Your Images Never Leave Your Device

Every tool in this category uses the browser's built-in Canvas API to read, transform, and re-encode images entirely on your device. That means when you compress a photo, resize a screenshot, or crop a design mockup, the image data never gets uploaded to a server — there's no upload progress bar because there's no upload at all. This matters for obvious privacy reasons (unreleased product photos, personal photos, client work under NDA) but it also has a practical benefit: processing starts the instant you select a file, rather than waiting on a network round-trip, which makes these tools noticeably faster than typical server-based image editors for single-image tasks. Because everything happens locally, there's also no file size limit imposed by an upload quota — the practical ceiling is only how much your browser and device can comfortably handle in memory.

Quality, Format, and Compression Tradeoffs

Choosing the right format and compression level is less obvious than it seems, and our tools are built to make good defaults easy while still giving you control. JPG uses lossy compression and is best for photographs where a small amount of quality loss is imperceptible but the file size savings are significant. PNG uses lossless compression and is the right choice when you need pixel-perfect accuracy or transparency, such as logos, icons, and screenshots with text. WebP generally beats both at equivalent visual quality, offering smaller file sizes than JPG and support for transparency like PNG, which is why it's become the default recommendation for web images in modern browsers — though JPG and PNG remain necessary for compatibility with older systems, certain CMS platforms, and print workflows. The Image Compressor lets you dial in a quality percentage and see the resulting file size before you download, so you're never guessing at the tradeoff between visual fidelity and load time.

Who Uses These Tools

Web developers and designers use the compressor and format converters as a pre-upload step before adding images to a CMS or codebase, keeping page weight down without manual per-image tuning. Marketers and social media managers use the resizer and cropper to hit exact dimension requirements for ad platforms and social networks, which frequently reject uploads that don't match their spec. Small business owners use the QR code generator for print materials — menus, flyers, product packaging — linking straight to a website or contact card. And anyone building a new site or app uses the favicon generator once per project to produce the full icon set browsers and mobile home screens expect, without needing to learn the specifics of every platform's icon requirements.

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