12ft Ladder

Shows a paywalled website as the Google crawler sees it ... without the paywall

Accessible Palette

Create color systems with consistent lightness and contrast

Address Autocomplete API

High-performance, open-source German address search with intelligent fuzzy matching, typo tolerance, and reverse geocoding. Free to use for developers.

Alchemize

A free app to minimize, pretty print, and inspect HTML, CSS, Javascript, JSON, or XML

All Characters

A simple page that shows all the different characters and their HTML code

Analyse your HTTP response headers

Quickly and easily assess the security of your HTTP response headers

AnimatiSS

A nice, colorful collection of CSS animations for your projects

Animista

Animista is a place where you can play with a collection of ready to use CSS animations, tweak them and download only those you will actually use

Base64 Converter

A fast and simple tool to convert to and from base64

Bigjpg

AI Super-Resolution lossless image enlarging / upscaling tool using Deep Convolutional Neural Networks

Blacklight

A Real-Time Website Privacy Inspector

Boxicons

High Quality Web Icons Set

Bridgy

Bridgy connects your web site to social media. Likes, retweets, mentions, cross-posting, and more...

Browser Default Styles

Search against any element for standardized and default styles from all major rendering engines (WebKit, Blink, Gecko, Trident)

BuiltWith Technology Lookup

Find out what websites are BuiltWith

CSS Code Quality Analyzer

The best way to analyze your CSS is to use the CSS analyzer, but if you're in a hurry or if you want an opinionated tool, then you can use this CSS Code Quality analyzer.

CSS Filter Generator

CSSFilterGenerator produces CSS filters and mix-blend-mizode overlay code using a graphical user interface.

CSS Gradient Generator

Create beautiful, lush gradients

CSS Grid Generator

You can set the numbers, and units of your columns and rows, and I'll generate a CSS grid for you! Drag within the boxes to create divs placed within the grid.

CSS Shadow Palette Generator

Create a set of lush, realistic CSS shadows

CSS clip-path Editor

Generate clip-path CSS code, based on editable templates.

CSS gradient text generator

Create CSS for Gradient text effect

Calligrapher.ai

Realistic computer-generated handwriting

Cleanup.pictures

Remove objects, people, text and defects from any picture

Clippy

ColorPalette Pro

Synthesizer-styled color palette generator - Generate customizable color palettes in advanced color spaces that can be easily shared, downloaded, or exported

Compress Or Die

Show metadata (Exif, IPTC, ICC...) hidden inside your photos

Compresser

Compress And Optimize JPEG, PNG images Online

Contrast Ratio

Easily calculate color contrast ratios.

Convert variable font TTF to WOFF2

Google Fonts f.e. sometimes only offers TTF files, but the compressed WOFF2 Webfonts are smaller for using on website. This tool converts them easily.

Cryptii - Unicode Lookup

Web app offering modular conversion, encoding and encryption online.

DOM Events

Learn about the DOM Event system through exploration.

Device.js

Helpy small tool, to get some device features, such as the different widths, heights, orientation, full screen, mobile or desktop, height of the navigation bar, etc.

DiceBear Avatars

Create avatars for your profiles, designs, websites or apps. Piece by piece or based on a seed.

Easing Gradients

Supercharge your gradients with non-linear color mix and custom color spaces.

Edit.Photo

Free Online Photo Editor In Your Browser, Based on Pintura.

Erase.bg

Remove Background From Images For Free

Event KeyCodes

Shows the typed key code.

FA Icons SVG

Easily copy your favorite icons from Font Awesome as SVG

Favicon Generator for real

The ultimate favicon generator. Design your icons platform per platform and make them look great everywhere. Including in Google results pages.

Favicon Generator

Generate favicons online and in-browser from an image or logo for free

FeatherIcons

Simply beautiful open source icons

Fediverse Observer

Fediverse Observer checks all servers in the Fediverse and offers you an easy way to find a home using a map or list

Flexbox Playground

A web app for exploring Flexbox

Flowbite

Collection of free and open-source SVG icons compatible with Flowbite and Tailwind CSS based on solid and outline styles with React (JSX) and Figma support

Free SVG Converter

Convert online picture to svg freely.

GitHub Contributions Chart Generator

Visualize your GitHub contributions in a customized image

Glass UI

Glassmorphism CSS Generator

Google Title Rewrite Checker

Because SEO should be accessible, you can use this free tool to check if Google is rewriting the title of a list of pages

Granary

Fetches and converts data between social networks, HTML and JSON with microformats2, ActivityStreams 1 and 2, Atom, RSS, JSON Feed, and more.

HTML Arrow Symbols, Entities and Codes

HTML Arrows is a comprehensive reference website for finding HTML symbol codes and entities, ASCII characters and Unicode hexadecimal values to use in your web design.

HTTP Status Codes

HTTP Status Code directory, with definitions, details and helpful code references.

HTTPie for Web

API testing client

Haikei

A web-based design tool to generate unique SVG design assets for websites, social media, blog posts, desktop and mobile wallpapers, posters, and more! Our generators let you discover, customize, randomize, and export generative SVG design assets ready to use with your favorite design tools.

Hashler

Compute different hashes of a string

Huemint

Huemint uses machine learning to create unique color schemes for your brand, website or graphic

IP2Location.io

IP2Location.io provides a fast and accurate IP Geolocation API tool to determine a user's location

IconKitchen

Create and download app icons

Iconoir

Iconoir is one of the biggest open source libraries with currently 1007 SVG Icons.

Icons - Google Fonts

Material Icons are available in five styles and a range of downloadable sizes and densities. The icons are based on the core Material Design principles and metrics.

Icônes

Great and very useful collection of icon collections, to find and bundle the icons you need

Image Candy

Edit images online with the complete image processing toolkit.

IndieLogin.com

IndieLogin.com makes it easy to add web sign-in to your applications

JPEG.rocks

Browser-based, privacy-aware JPEG optimizer

JSON Crack

JSON editor with graph visualization

JSON Hero

Open-Source JSON explorer for the web that lets you browse, search and navigate your JSON files at speed.

Loadership

LoaderShip is a CSS-only loader configuration tool that allows you to customize and generate stunning loaders for your website.

MConverter

Convert videos, images, documents, audio files and much more.

Majesticons Pro

Over 300 beautiful line icons as SVG

Maskable.app

Maskable.app Editor lets you generate maskable PWA icons before adding them to your web app manifest.

MastoFeed

Send your RSS Feeds to MastodonSend your RSS Feeds to Mastodon

Mastodon List Manager

Manager for Mastodon lists to separate user groups for easier reading

Microjs

Fantastic Micro-Frameworks and Micro-Libraries for Fun and Profit.

MingCute Icon

Carefully Designed Icon Library

Modern fluid typography editor

Generate fluid typography CSS

Multi Screen Test

Test your website at different screen resolutions.

Node.js Toolbox

Find actively maintained and popular libraries in the Node.js ecosystem

Nodexr

Edit RegEx visually

Non Boring Gradients

Web tool for generating gradients by selecting different interpolation spaces and easing.

Numbr

An elegant, text-based calculator for the Web

OddContrast

This tool lets you check color contrast ratios using modern CSS formats

Omatsuri

Progressive Web Application with 12 open source frontend focused tools

Online CSS Analyzer

Analyze CSS is an online tool that analyzes your website’s CSS

OpenGraph.xyz

Preview Social Media Share and Generate Metatags - OpenGraph

PDF Tool

Edit PDF files right in your browser...

PLAYCODE

Javascript Playground

PWABuilder

Generates all necessary images for a PWA manifest

Palette - Colorize Photos

See your photos in realistic colors

Path to CSS Shape

Convert SVG path data to CSS shape() function

Plaiceholder

Beautiful image placeholders, without the hassle.

ProductShot

Generate better performing screenshots by focusing the user's attention.

QR Code Styling

An open source JS library for generating styled QR codes

RANDOM.ORG String Generator

Generate random strings

Redirect Detective

Redirect Detective – Analyze redirects without opening them yourself

RegExr

RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).

Request Map

Visual request map of third-party services

SSL Checker

Verify that your SSL certificate is installed correctly, identify installation issues if any.

SVG Backgrounds

Create customized backgrounds for download

SVG Crop

Remove blank space from around any SVG instantly.

SVG Gobbler

Download icons, logos, and vector SVGs from any site via Chrome or Firefox extension

SVG Path Visualizer

Describes a SVG path in natural language

SVG Repo

Browse 300.000+ SVG Vectors and Icons. Explore, search and find the best fitting icons or vectors for your projects using wide variety vector library.

SVGOMG

UI for SVG Optimizer, a Node.js-based tool for optimizing SVG vector graphics files.

SVGPORN

Hundreds of vector logos from brands

Share a One Time Secret

Keep sensitive info out of your email and chat logs by creating a one-time link to send to your recipient.

Share a secret

Share a secret with a link that only works one time and then self-destructs.

Shrink.media

Reduce File Size for your Images

Simple Icons

Free SVG icons for popular brands

SlidesCodeHighlighter

Create syntax-highlighted code for your slide decks.

Squoosh

Compress and compare images with different codecs, right in your browser

Tabler Icons

Free and open source icons designed with attention to detail to make your design stand out.

Telegraph

Sends Webmentions with retry and callback

TempMail4U

Keep your inbox safe with our free temporary email service. Get instant temp mail to block spam, stay private, and skip sign-ups, no registration needed!

Test for modern Internet Standards

Test for modern Internet Standards like IPv6, DNSSEC, HTTPS, TLS, HSTS, DMARC, DKIM, SPF, STARTTLS and DANE.

Text Cleaner

Text Formatter, Text Formatting Online

Text to SVG

Convert text to SVG paths quickly and easily

The good line-height

Tool to calculate the exact number of the right line-height for every text size in the scale, so it always fits the baseline grid!

Tint and Shade Generator

Easily make tints and shades that match the output of Chrome DevTools, PostCSS, and Sass.

Tiny Helpers

A collection of free single-purpose online tools for web developers.

TinyJPG

Make your website faster and save bandwidth. TinyJPG is the best automatic JPEG optimizer and compresses your JPEG images by 40-60%!

TinyWow

Create, convert or manipulate PDF, XML, CSV, images, videos and more with different tools

Toools Cloud Glob Tester

Visualise and Test Glob Pattern Matching Online

Type Scale Visual Calculator

Preview and choose the right type scale for your project. Experiment with font size, scale and different webfonts.

UI Gradient Generator

Create gorgeous, buttery-smooth color gradients for UI design. Export as CSS or SVG image.

URL-encoder for SVG

Convert SVG image code into CSS for background image

Unicode Arrows

Collection of Unicode arrows for using on websites

VISIWIG Indie Icons

Click + Paste Graphics - that elevates your your website and brand visuals

Variable Fonts

A simple resource for finding and trying variable fonts

Vert

Convert image, audio, video, and document files to several formats in batch mode. Open Source and free.

Video Splitter

A local, browser‑based video splitter — no install, no upload. Choose between fast mode and precise mode, powered by FFmpeg WASM to slice by seconds.

Video to JPG

Video to JPG is a free online tool to extract high-quality images from your videos.

Vytal

Vytal shows you what traces your browser leaves behind while surfing the web.

Wakamai Fondue

The tool that answers the question “what can my font do?”

Webmention Rocks!

Webmention Rocks! is a validator to help you test your Webmention implementation. Several kinds of tests are available on the site.

WhatTheDuck

Run SQL queries against your CSV files right in the browser

Whirl

CSS loading animations with minimal effort and code at GitHub

White screen

Wicked Backgrounds

Create beautiful backgrounds waves for your illustrations.

World in Dots

Create vector dotted maps with custom options and download them as SVG or PNG files

X-Ray

Scans a page for IndieWebs microformats

Yellow Lab Page Speed

Online test to help speeding up heavy web pages

compressImage.io

Compress JPG and PNG images at light speed with Browser based Image compressor.

css.gg

Open-source CSS, SVG and Figma UI Icons Available in SVG Sprite, styled-components, NPM & API

dropmail.me

Create a temporary email. For 10 minutes or more. Anonymous email service allows you to receive emails for a safe registration on sites and services. Unlimited mailbox lifetime. No registration. Unlimited mailbox size. Attachments allowed.

fediverse.space

fediverse.space is a tool to visualize networks and communities on the fediverse.

ffflux

Online SVG Fluid Gradient Background Generator

gathio

Create and share events that act as a Fediverse actor others can follow and comment

gradient.style

Create HDR Gradients with this interactive tool from Adam Argyle.

grep.app

Search Code Across a Half Million GitHub Repos — A code search engine that lets you use regexes or syntax in your search

hue.tools

Tools for mixing, blending and modify colours with several interpolation modes

jpeg.io

Convert any major image format into a highly optimized JPEG

link-to-qr

Free beautiful QR codes. Add/remove borders. Add text, use transperant background, apply any color.

myScale SVG Icon Resizer

Small Lightweight Tool scratched in Pure JavaScript to Quickly Resize and Convert SVG to PNG

npmgraph

Show interactive dependency graph of a npm module or analyze your complete package.json

regex101

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java. Features a regex quiz & library.

remove.bg

Remove Image Background: 100% automatically – in 5 seconds – without a single click – for free.

urlscan.io

Website scanner for suspicious and malicious URLs

useAnimations

Animated icons in Lottie Framework and for immediate implementation to your apps or websites.

vectormaker

Convert images to SVG vectors, PNG-to-SVG Vectors.

web.dev Measure

See how well your website performs. Then, get tips to improve your user experience.