Web Tools

An awesome list of hosted tools for web development.

Sponsors

Contents

Response

• Media Queri
• Screensiz
• Sizzy
• Polypane
• Responsive Tool
• CurlShot Mobile Screenshot - Screenshot any page as it renders on a phone or tablet (screen size, pixel density, mobile user agent), no account needed.

Placeholder

• temp.im
• dummyimage

Favicon

• favicon-generator
• favicon.cc
• xiconeditor
• tool.lu favicon
• bitbug
• favicomatic
• RealFaviconGenerator
• favicon.io
• Toolio.it - Favicon generator - Free favicon generator, converts an image into all standard favicon sizes.
• Mzu FaviconDL

CDN

• staticfile
• bootcss cdn
• cdnjs
• upai
• jquery cdn
• jsDelivr
• statically

CSS

• neumorphism css generator
• css-triangle-generator
• csszengarden
• CSS Gradient Generator
• cssBeutify
• css spritegen
• csssprites
• css Should I Prefix
• CSS Unit Converter

Image compression

• webresizer
• TinyPNG
• AlloyPhoto
• Compressor.io
• Shrinkray
• Trimage
• Compress-Or-Die
• BulkPicTools
• FileOnTap - Free HEIC to PNG converter that runs 100% in the browser, no uploads

JavaScript

• jsBeutify
• jsbeautifier
• jsfiddle
• jsbin
• Flatlogic CRUD Apps Generator
• dhtmlx javascript components

Pagespeed

• PageSpeed
• Webkaka
• GTmetrix
• Redirect Checker - Analyze HTTP redirect chains and measure performance impact

Color

• nipponcolors
• flatuicolors
• Color Thief
• color-hex
• colors
• chuantongsecai
• colourco.de
• flatuicolorpicker
• krmp.cc
• Image Color Picker
• Respresso

Font

• Google Fonts
• Adobe Fonts
• dafont
• youziku
• qiuziti
• fonts2u
• webfonts
• justfont
• iconpark
• FontSquirrel
• Respresso
• Brick

Forms

• Form.taxi
• SmarkForm

API Debugging

• ExtendsClass.com
• RequestBin.com
• Beeceptor.com

API Doc

• Jquery API
• OverAPI
• devdocs
• oschina apidoc
• Easing functions

Git Host

• GitHub
• Bitbucket
• GitLab
• Git@OSC

webpack

• Visual webpack config tool

Code Playgrounds

• CodePen
• CodeSandbox
• JSFiddle
• JS BIN
• Dabblet
• CSSDeck
• Plunker
• Liveweave
• StackBlitz
• FastSitePHP
• DataFormsJS
• AnyChart Playground

CheatSheet

• Bootstrap CheatSheet
• Regex CheatSheet

UI Builders

• Windframe

Tools collection

• TryDocsy - Free, 100% browser-based PDF editing, image processing, and document conversion suite.
• WebToolkit Pro
• FreeToolBox
• Hreflang checker
• giga.tools
• Facecam free tools - Free browser webcam test, mic test, soundboard and voice changer, no sign-up.
• IPCalcPlus
• Toolio.it - Free hub of 155+ Italian web tools: calculators, unit/file converters, QR code and password generators, text utilities — no sign-up, mostly client-side.
• JieBang Tools - 170+ free online tools for developers — JSON formatter, Base64 encoder, QR code generator, and more. All client-side, no signup required.
• Mydentify AI Crawler Access Checker - Free, no-signup checker for robots.txt, page-level crawler directives, and ChatGPT and Claude crawler access responses.
• SheetRender - Free browser-based PDF tools to merge and split PDFs, extract pages, and split mail merge PDFs.
• DevBox Tools
• Mello
• BeginThings - 96+ free browser-based tools for developers & freelancers