"Hdrainbow" is an online image color recognition tool that helps users analyze what colors are contained in an uploaded image by uploading a By uploading a picture, you can analyze which colors are mainly used in the picture, with various functions of color identification for uploading pictures, color identification for uploading pictures, color analysis software, color identifier, and you can download the analyzed scripts.

Typora is a free cross-platform It uses only one window, but elegantly combines both code editing and previewing "all in one"! This brings users a smoother and more intuitive "what you see is what you get Markdown writing experience".

Material Palette The website is a tool dedicated to providing designers with color combinations, allowing designers to easily select their favorite colors and generate Metaerial Design style color schemes online, allowing you to sift through the chaos of colors to find a highly creative color combination.

If you like Material If you like Material Design and want to study how to achieve similar effects, I have previously introduced Google to release hundreds of free Material Design icons that can be used for free.

Material Palette is an online tool that provides color matching for Material Design. It will show you a preview of how the two colors will look together and give you options for darker or lighter colors, as well as other color codes you might use.

How to use:

1. After opening the Material Palette website, select any two colors and it will automatically match and display them in the preview on the results page. At this time, you can judge whether the color is your favorite, or continue to click the color block on the left to choose other color matching options.

2. Material Palette not only provides the general direction of colors for users to choose and test, but also provides darker and lighter color combinations, as well as color matching suggestions for text, icons, dividers, primary text, secondary text, etc.

3. If you want to keep the current palette color combinations, click "Download" and many formats will appear, including CSS, SASS, LESS, SVG, XML, PNG, and POLYMER. or you can tweet it to Twitter.

Popcorn Maker:Interactive Video online editing tool is a web application developed by Mozilla, the developer of Firefox, that allows people to edit, edit, insert image sound links, etc. to make interactive web videos on the web.

TubeChop:Online YouTube video cropping tool is a website that supports online video cropping, allowing you to easily crop a Youtube video into the parts you want and then share it to social networks, saving only the best parts for easy distribution.

When you want to send a video to someone When you want to send a video to someone, you only want to keep the best part, then you need to crop the video, using TubeChop tool is very easy, directly enter the Youtube URL URL, after the tool reads the video, it will enter the editing interface, you can set the start time and end time, and then add the words you want to say, click Chop it; after the crop is finished, it will generate a new video URL and Embed the code of other websites.

The MooMash website is a music song matching recognition website based on The user only needs to copy the URL of the music to be identified into the search box to quickly find the song they are looking for through the Youtube website, and they can also find information about the music albums, songs and artists used in certain videos on the Youtube website.

[ The site has been discontinued, if similar sites can be mentioned alternatively

MooMash is a very convenient YouTube music recognition service, just paste the YouTube video link, set the time range to be recognized, MooMash can find out the music used in that paragraph for you, and if you want to recognize the If you want to identify the entire video, it can also list the music used at each point in time. MooMash also supports music recognition for Dailymotion and Vimeo videos.

How to use MooMash:

1. After opening the MooMash website, paste the link of the video you want to recognize music, and set the time period of the video you want to recognize from the bottom, the default is 0:00 to end, which is the entire video, and then press "Moo!

2. Depending on the length of the video, MooMash will need a period of time to analyze and identify it, and when it is done, it will display the music name on the left side one after another. The time is not always accurate, but after a general look there are no errors.

3. Click on the "Play" icon to the right of the song title to quickly jump to that time and listen to it to see if it's what you need, or click on the "YouTube Search" icon on the far right to find related songs from the YouTube site. Google to find more information.

You may wonder if MooMash is a foreign service, is it accurate in recognizing songs in Chinese or other languages? After testing several videos of Chinese songs, I found that MooMash can not only recognize them properly, but also find the related videos in English pinyin, which is quite useful for finding songs.

Free-PdfToWord: Free PDF to WORD tool is an online tool for PDF and WORD document conversion, you can choose between local documents and online documents.

This tool allows you to select local or online PDF files that need to be converted and then select the PDF file you want to convert. Then choose whether you need to convert to doc format or docx format word file, finally click "Convert PDF to word Now" button, you can download the converted word file directly after the conversion is finished.

PDFonline:Online PDF The document format conversion tool is a site that helps users convert PDF documents, and also has a word document conversion tool to help you with formatting changes in the office.

After opening the PDFonline website, you can choose the format you want to convert. You can choose the format you want to convert, there are PDF format and WORD document format, select the format you want to convert, upload the document, click Convert to complete the conversion.

ToHtml:Online code editing highlighting Display tool is a small and simple online highlighting text, highlighting style to generate html code, support Java, PHP, C++, Python, NET and other programming languages, you can customize the color of the highlighting display.

There are many editors for code highlighting. Here we do not introduce one by one, we recommend here is the portability and practicality of the work, for the programmer to say their own computer is installed for their own tools and software, once you go to use other people's computers will pick and choose, this tool is not good, that software is too garbage, especially the notepad software.

for the outgoing and no suitable notepad programmers to other people's computers to install software is not very suitable, then try the online text editor tool, this ToHtml online tool supports all the programming language, open fast, enter the URL can be modified and edited online Code, support custom highlighting color.

The Wappalyzer website is a It is a tool that can analyze the various technologies used by different websites. For web developers who have their own experience, they can analyze the architecture of the website and the technologies used through the code, but now you can get a report on the parameters of the website technology through the tool.

Wappalyzer tool supports Analyze the parameters of the platform architecture, site environment, server configuration environment, JavaScript framework, programming language, etc. used by the target site, and also show the percentage of sites using the technology, such as how many sites are using Wordpress, how many sites are using AddThis third-party service, and other web servers, analysis tools, CDNs, message systems, consoles, networks, etc. The percentage of sites using Wordpress, AddThis third-party services, web servers, analytics tools, CDNs, message systems, control desks, web space, etc., allows you to derive the most popular technologies from the percentage of use.

Usage:

1. Open the Wappalyzer download page and find the extensions applicable to different browsers, currently supporting Firefox, Google Chrome and Opera are currently supported. If you are using a browser that is not listed here, you can also drag and drop the bookmarked tools below directly into your browser and click on them to enable Wappalyzer's website analysis function.

2. After installing Wappalyzer, a small icon will appear on the right side of your browser's URL bar, after opening the web page you want to analyze and detect, click on the icon to see the relevant technologies and services used by the website.

For example, if the target site uses the third-party AddThis button, jQuery, CloudFlare, and Google Analytics and AdSense, the information you can find is quite rich and complete, and you can click on it to open the site and find more Click to open the site and find more detailed usage ratios.

PDFCandy is a collection of PDFCandy is a free online service that brings together many common PDF tools, divided into three main categories including converting PDF to other formats (Word, JPG, PNG, TIFF and BMP), converting various formats to PDF files, as well as merging, splitting, compressing, unlocking, password protecting, rotating, adding floating watermarks and deleting pages.

How to use: Open PDF Candy If you feel that these functions make you confused, directly from the menu above you can find the PDF to other formats, or more formats to PDF menu, which the most people will use is PDF to Word, to pictures, or other formats such as e-books ePub to PDF conversion tools.

Each function should actually operate in a similar way, mainly by uploading the file to PDF Candy, completing the conversion or processing after a simple setup, and then downloading the file down.

Vookmark is a browser-based Vookmark is a browser-based video bookmark management extension plugin that supports Google Chrome and Apple Safari browsers. Users can collect and manage content on different video sites by installing the extension plugin, so that they can easily collect and categorize their favorite video content.

Vookmark Extension Plugin supports Popular video sites are Facebook video,, Dailymotion, Vimeo, Reddit, in addition to the browser can be used, but also on iOS and Android phones can be installed on the client utility.

DeepArt is a WEB-based It supports a variety of artistic rendering effects. Since its rendering effects are more complex, users will be queued up after submitting to the website, and they can leave an email address and the rendering will be automatically sent to the reserved email address. Of course you can also pay to jump the queue for fast rendering.

DeepArt's website uses neural-based image optimization algorithms by Karen The network-based image optimization algorithm, jointly developed by Karen Simonyan and Andrew Zisserman, is seen in the multiple rendered images generated on the site, as long as the filter effects are impressionistic, abstract, fragmentation, oil painting effects, and so on.

QuickSprout:Online Website SEO inspection tool is a foreign website optimization SEO inspection tool, developed by Neil Patel, supports website analysis, website social media analysis and competitor analysis functions, can perform optimization scores, speed test scores, website optimization recommendations based on search engine scores, and also can inspect the effectiveness of website display on PC computers, tablets and cell phones.

For the optimization of foreign sites, many domestic users The search engine is the basis of Google search caused to optimize, do not know, in addition to the search engine there are social media optimization, Neil Patel is a large enterprise to help a lot of network revenue cattle, they gave Amazon, NBC, General Motors, Hewlett-Packard, Wall Street Journal and other companies to do Internet optimization, you can say that the technical level has a deep background, you can use the SEO tools he developed to You can use the SEO tools he developed to query your own website in foreign countries, according to the results of the analysis to optimize.

Pin Tab is a collection of free resources specifically for creative Pin Tab is a collection of free resources for creative people to help them find more ideas when working on projects, and also to use various tools for further processing, including photography, fonts, icons, sketches, color schemes, prototypes, html, etc.

In fact, Pin Tab is a fine-grained The navigation, specifically for creative workers, to collect some of the various free resources related to it, subdividing various resources, collecting a variety of online tools and software, free material and so on.