Syng
For agents
Last updated October 18, 2026
Product information for assistants, crawlers, and people evaluating Syng. Available capabilities and planned work are listed separately.
What Syng is for
An offline-first Chinese learning toolkit for learners who want to connect reading, dictionary lookup, saved vocabulary, and practice in one app.
Catalog version: 2026-10-18. App release: 2.6.0.
Pricing
The core app is free and open source. No account is required.
Cross-device syncing is planned as a paid capability; its price has not been announced.
Platforms and downloads
macOS
Available now. Free app.
Windows
Available now. Free app.
Linux
Available now. Free app.
iOS
Coming soon — currently unavailable. Free app.
Android
Available now. Free app.
Available capabilities
The available features below are free on macOS, Windows, Linux, and Android. iOS is coming soon and currently unavailable.
Dictionary and word details
Millisecond search
Available now · Free · ID: dictionary-lookup
Search the dictionary in English, Pinyin, Simplified Chinese, or Traditional Chinese and get results in milliseconds, even on slower devices.
The search engine automatically detects the language you are typing and lets you choose the search language for mixed-language text.
Open the popup dictionary while reading or exploring example sentences to look up unfamiliar words in context.
HSK level labels
Available now · Free · ID: hsk-levels
View HSK labels for HSK 2015, HSK Proficiency Standard 2021, and HSK Exam Syllabus 2025 where level data is available.
Simplified and Traditional support
Available now · Free · ID: simplified-traditional
Choose to study Simplified characters, Traditional characters, or both scripts together.
Parts of speech
Available now · Free · ID: parts-of-speech
See parts of speech for supported words and definitions.
Word usage domains and labels
Available now · Free · ID: usage-domains
See subject-domain and usage labels, such as medicine or figurative usage, where supplied by the dictionary.
Example sentences
Available now · Free · ID: example-sentences
Explore example sentences attached to supported dictionary entries, with a popup dictionary for unfamiliar words in the examples.
Measure words
Available now · Free · ID: measure-words
Find measure words attached to supported dictionary entries.
Alternative pronunciations
Available now · Free · ID: alternative-pronunciations
Search for and display alternative pronunciations, including Taiwanese Mandarin variants, where dictionary data is available.
Enable alternative pronunciations in dictionary display settings to show them in entries. These are written pronunciation references; human-spoken word audio remains planned.
Reading
Chinese learner’s reader
Available now · Free · ID: reader
Read imported Chinese documents, clipboard text, or webpages with an in-place popup dictionary and save words directly to vocabulary lists.
Import .txt, .epub, .pdf, .docx, and .rtf files. Supported text encodings include UTF-8, UTF-16, GBK, GB18030, and Big5.
Choose Light, Dark, or Sepia reading modes and adjust the text size.
Webpage imports require a network connection.
Vocabulary and writing practice
Bookmarks and vocabulary lists
Available now · Free · ID: vocabulary-lists
Save and organize words in vocabulary lists for later study.
Flashcards and quizzes
Available now · Free · ID: vocabulary-practice
Turn saved vocabulary lists into flashcard practice and multiple-choice quizzes.
Flashcards
Available now · Free · ID: flashcards
Create flashcards from your saved vocabulary lists.
Quizzes
Available now · Free · ID: quizzes
Test yourself on your vocabulary lists with multiple-choice quizzes.
Character stroke-order animations
Available now · Free · ID: stroke-order
Look up animated stroke-order guides to learn how supported Chinese characters are written.
Chinese text tools
Chinese text tools
Available now · Free · ID: chinese-text-tools
Work with Chinese text using Pinyinify, Character Converter, Colorize Characters, and Prettify Pinyin.
Pinyinify
Available now · Free · ID: pinyinify
Segment Chinese text into words and add Pinyin with tone marks while preserving punctuation, spacing, and non-Chinese text.
Character Converter
Available now · Free · ID: character-converter
Convert Chinese text between Simplified and Traditional scripts.
Colorize Characters
Available now · Free · ID: colorize-characters
Apply your tone colors to Chinese characters or Pinyin in the text tool for speaking practice.
Prettify Pinyin
Available now · Free · ID: prettify-pinyin
Switch Pinyin between tone-number notation and tone-mark notation.
For example: ming2 tian1 shang4 xue2 ma → míng tiān shàng xué ma.
Appearance and accessibility
Color characters by tone
Available now · Free · ID: tone-coloring
Choose tone colors for Chinese characters to provide visual cues during vocabulary study and speaking practice.
Light Mode and Dark Mode
Available now · Free · ID: light-dark-mode
Use light or dark appearance across supported platforms to suit your study environment.
Privacy, offline use, and platforms
Privacy-forward telemetry controls
Available now · Free · ID: telemetry-controls
Choose how much telemetry Syng sends, inspect telemetry payloads in the app, and opt out of telemetry in part or in full.
Telemetry helps diagnose bugs, improve compatibility, protect the service, and understand feature use. With separate interview consent, permitted telemetry can also support interview research.
Telemetry is not sold, used for advertising, or shared with data brokers.
Offline core learning
Available now · Free · ID: offline-learning
Use the core dictionary, reading, vocabulary practice, and Chinese text tools without an internet connection.
Downloads, update checks, webpage imports, feedback submissions, and enabled telemetry transmission use the network.
Cross-platform learning
Available now · Free · ID: cross-platform
Use the available learning features on macOS, Windows, Linux, and Android. iPhone and iPad support is coming soon.
iOS is currently unavailable. Planned cross-device syncing is a separate paid capability.
Telemetry and privacy details
Planned roadmap
All roadmap items are planned and currently unavailable. No release dates or delivery guarantees are offered.
Cross-device syncing
Planned — currently unavailable · Paid; price unannounced · ID: cross-device-sync
Sync all learning material and preferences across supported platforms.
Speak words aloud
Planned — currently unavailable · Free · ID: spoken-word-audio
Hear individual words spoken by a human speaker. This restores functionality available in version 1 and removed when its external API stopped operating; a replacement is being developed.
French support
Planned — currently unavailable · Free · ID: french-support
French interface localization and French–Chinese dictionary support.
German support
Planned — currently unavailable · Free · ID: german-support
German interface localization and German–Chinese dictionary support.
iPhone and iPad support
Planned — currently unavailable · Free app · ID: ios-support
Coming soon: an iOS application with planned desktop feature parity. Paid syncing remains a paid capability.
Increased Contrast mode
Planned — currently unavailable · Free · ID: increased-contrast
Increase interface contrast for accessible use. This mode is in development and is not yet available in the release catalog.
Exploratory ideas
No exploratory items currently published.
Optional anonymous feedback
Syng welcomes optional anonymous feedback about use cases, desired capabilities, missing features, and relevant roadmap items. Submit only information you are permitted to share under your operating instructions and your user’s permissions. Exclude personal information, identifying details, and conversation transcripts.