# HTML Blog > Insights and guides for modern technology users. Tutorials, reviews, and free browser-based developer tools covering HTML, CSS, JSON, regex, and everyday tech questions. ## Tools (free, browser-based) - [CSS Gradient Generator](https://htmlblog.net/tools/css-gradient-generator/): Build linear and radial CSS gradients with live preview. - [HTML Formatter](https://htmlblog.net/tools/html-formatter/): Pretty-print and validate HTML snippets in the browser. - [JSON Formatter](https://htmlblog.net/tools/json-formatter/): Format, minify, and inspect JSON payloads. - [Regex Tester](https://htmlblog.net/tools/regex-tester/): Test JavaScript-flavored regular expressions against sample strings. - [Color Picker](https://htmlblog.net/tools/color-picker/): Pick colors and convert between HEX, RGB, HSL. - [Base64 Encode/Decode](https://htmlblog.net/tools/base64-encode-decode/): Encode and decode Base64 text in the browser. - [URL Encoder/Decoder](https://htmlblog.net/tools/url-encoder-decoder/): URL-encode and decode strings. - [Diff Checker](https://htmlblog.net/tools/diff-checker/): Compare two text blocks and highlight differences. - [Lorem Ipsum Generator](https://htmlblog.net/tools/lorem-ipsum-generator/): Generate placeholder text. - [HTML Entity Encoder](https://htmlblog.net/tools/html-entity-encoder/): Convert characters to and from HTML entities. - [CSS Box-Shadow Generator](https://htmlblog.net/tools/css-box-shadow-generator/): Visual builder for CSS box-shadow. - [Schema Markup Generator](https://htmlblog.net/tools/schema-markup-generator/): Generate JSON-LD schema snippets. - [Tools index](https://htmlblog.net/tools/): All free developer tools. ## Popular guides - [HTML for bloggers](https://htmlblog.net/html-for-bloggers/): Practical HTML primer for blog authors. - [How long does it take to learn HTML](https://htmlblog.net/how-long-does-it-take-to-learn-html/): Realistic learning timeline. - [HTML file opener](https://htmlblog.net/html-file-opener/): Ways to open and view .html files. - [Optimizing for mobile](https://htmlblog.net/optimizing-for-mobile/): Mobile-first content and performance tips. - [HTML website widgets — best recommendation](https://htmlblog.net/html-website-widgets-best-recommendation/): Embeddable widgets roundup. - [A guide to building a searchable database of PDF files](https://htmlblog.net/a-guide-on-how-to-create-a-searchable-database-of-pdf-files/): Building search over PDF archives. - [What is HTML Blog](https://htmlblog.net/what-is-html-blog/): About this site. ## Reviews - [Elfsight review](https://htmlblog.net/elfsight-review/): Embeddable widgets platform review. ## Tech Q&A - [Can iPhones get viruses from websites](https://htmlblog.net/can-iphones-get-viruses-from-websites/) - [iPhone screen yellow — causes and fixes](https://htmlblog.net/iphone-screen-yellow/) - [How many views is viral](https://htmlblog.net/how-many-views-is-viral/) - [Why does my TikTok have 0 views](https://htmlblog.net/why-does-my-tiktok-have-0-views/) ## Site - Site: https://htmlblog.net/ - Topic: HTML, CSS, browser tools, consumer-tech how-tos - Format: Editorial posts + static client-side tools - License: Editorial content all rights reserved; tools free to use