Symbols.com is an online encyclopedia of symbols, signs, ideograms, glyphs and flags, organized by culture, country and religion. The collaborative project is built by contributing editors and can be browsed by category, alphabetically or by keyword search. Its collection ranges from ancient alchemical signs to modern currency signs and awareness ribbons.
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SymbolSelect is a collection of Unicode text symbols, signs, kaomoji and decorative characters that can be copied and pasted. It groups symbols by categories such as circle, heart, star, math and gaming symbols, and offers related tools including a symbol translator and random symbol generator.
AmpWhat is a lookup and reference tool for Unicode and HTML symbols, entities and characters. It offers hex or decimal codes for punctuation marks, mathematical symbols, icons and more, and lets users search and copy characters.
Cascadia Code is a monospaced font from Microsoft that includes programming ligatures and is designed to enhance the look and feel of the Windows Terminal. It is bundled with Windows Terminal and is the default font in Visual Studio. Variants include Cascadia Mono without ligatures, PL with Powerline symbols, and NF with Nerd Font symbols.
CopyChar is a basic application for finding and copying special characters to the clipboard. A character is copied by clicking or tapping it. The listed characters include arrows, punctuation marks, symbols, emoji and keyboard symbols.
Game-icons.net offers a growing collection of free game icons available in SVG and PNG formats. New symbols are added weekly and organized into categories. SVG files allow color and effect adjustments and scaling for interfaces, logos and stencils.
List of Emojis is a Wikipedia article that catalogs Unicode emojis. It includes notable emojis with their descriptions and associated meanings, organized into categories including faces, nature, food, activity, places, objects, symbols, flags and miscellaneous.
Code search platform for searching repositories, symbols, dependencies, and large codebases.
The Aesthetic Font Generator offers over 90 bio fonts that can be copied and pasted for use on social media sites that do not allow text formatting. It also provides various other text generators and symbols for platforms such as Instagram, Twitter, and Facebook.
Audiveris is an open source optical music recognition application under the AGPL V3 license. It couples an OMR engine with an interactive editor to recognize music from digitized images and convert it into its own OMR format or MusicXML. Handwritten scores are not supported, only printed scores, and only common musical symbols are handled. A graphical interface supports verification and manual correction of outputs.
Cool Symbol is a collection of special text symbols, letters and characters, organized by category such as stars, currency, brackets, chess and cards, musical notes, arrows and zodiac signs. It also provides a cool font generator tool.
CuteSymbols is a website that offers cute text symbols, such as hanging stars, borders, dividers, hearts and decorations, for copying to the clipboard with one click for use in bios and usernames on services including Tumblr, Twitter and Facebook.
The Digital Lunar Orbiter Photographic Atlas of the Moon reproduces the 675 plates of the Lunar Orbiter Photographic Atlas by Bowker and Hughes (NASA SP-206). The digital archive adds multiple search capabilities for locating images and features, updated surface feature information, and companion images with feature annotation. The annotated overlay symbols are intended only as locators, not for precise measurements.
A web page that converts letters, numbers and some symbols into Discord-style emoji after text is pasted into a box. A copy button places the result for pasting into a Discord channel. It has options for maximum message length and keeping words intact. Created by Joshua Prince in 2018, it is not affiliated with Discord.
Emoji Engine is a website for browsing emojis and symbols, with a keyboard feature for copy-pasting into chat apps and a list of emoji meanings. The page offers a language selector covering many languages.
A searchable emoji directory with meanings, codes, a copy function and pictures for common platforms, based on the latest Unicode standard. Each emoji has its own page with codes, meaning, variations and platform pictures. It covers emoji categories such as smileys, people, animals, food, activities, travel, objects, symbols and flags.
FlagLookup.com is a searchable flag database for identifying flags by visual features such as colors, symbols, shapes and patterns. It covers country and US state flags, allows exploring color combinations and searching by shapes and patterns, and turns flag sets into interactive quizzes.
A browser-based tool that converts ordinary text into lookalike Unicode characters for copying and pasting into social media posts and profiles. It offers a variety of font styles, works without downloads or installation, and is described as free. The site notes that screen readers cannot read the special characters and that some networks filter certain symbols.
FontGenerator.cool turns text into 180+ copy-and-paste fonts for Instagram, TikTok, Discord and bios, including cool, cute, bold, cursive and symbol styles. A separate Unicode compatibility checker tests whether fancy text uses symbols or combining marks that may not work everywhere.
FSymbols offers online font generators that produce text with cool fonts made from symbols and special letters, including big text art font generators. Generated text can be copy-pasted for use in online profiles and messages.
GetSymbol is a comprehensive online symbol dictionary that includes categories such as currency, mathematical, scientific, music, heart, infinity, and decorative symbols. Many entries support one-click copying, and the site is available in multiple languages.
The HUGO Gene Nomenclature Committee maintains a resource of approved human gene nomenclature. It contains approximately 42,000 gene symbols and names, along with over 1,300 gene families and sets. Download files, including archive files, are hosted in a publicly accessible Google Storage Bucket.
iFonts is a site for discovering and downloading free fonts, with sections for personal-use and commercial-use fonts, plus a submit-a-font option. Fonts are grouped by categories such as sans serif, serif, display, blackletter, script and symbols. Some provided fonts are trial versions of full versions and may not allow embedding unless a commercial license is purchased.
The Integrated Interactions Database (IID) is a resource for protein-protein interaction (PPI) data. It allows users to submit up to 1000 protein identifiers, including gene symbols, UniProt IDs, and Entrez Gene IDs, along with the source organism, to retrieve PPIs. Users can filter results by evidence source, including experimental and predicted data, and set minimum thresholds for experimental evidence. Retrieved results can be downloaded.