Grapheme-to-Phoneme Conversion Voice AI Tools

Tools for converting written text (graphemes) into phonetic representations (phonemes) across languages. Includes G2P models, phonemizers, and language-specific phonetic converters. Does NOT include general text-to-speech synthesis, speech recognition, or IPA transcription editors.

There are 24 grapheme-to-phoneme conversion tools tracked. 4 score above 50 (established tier). The highest-rated is thewh1teagle/phonikud at 62/100 with 91 stars and 1,528 monthly downloads.

Get all 24 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=voice-ai&subcategory=grapheme-to-phoneme-conversion&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

#	Tool	Score	Tier	Stars	Language
1	thewh1teagle/phonikud Hebrew grapheme to phoneme (G2P)	62	Established	91	Python
2	GitYCC/g2pW Chinese Mandarin Grapheme-to-Phoneme Converter. 中文轉注音或拼音 (INTERSPEECH 2022)	57	Established	382	Python
3	Wikidepia/g2p-id Indonesian Grapheme-to-Phoneme (IPA notation)	57	Established	43	Python
4	stefantaubert/pinyin-to-ipa Command-line interface and Python library to transcribe pinyin to IPA. The...	51	Established	53	Python
5	pnnbao97/sea-g2p Fast multilingual text-to-phoneme converter for South East Asian languages.	49	Emerging	64	Rust
6	AdolfVonKleist/Phonetisaurus Phonetisaurus G2P	44	Emerging	510	Shell
7	holgern/kokorog2p A unified multi-language G2P (Grapheme-to-Phoneme) library for Kokoro TTS.	40	Emerging	3	Python
8	thewh1teagle/phonikud-tts phonikud-tts - text to speech in Hebrew	39	Emerging	11	Python
9	hans00/phonemize Pure JS fast phonemizer with rule-based G2P prediction	39	Emerging	24	TypeScript
10	CiscoDevNet/g2p_seq2seq_pytorch Grapheme to phoneme model for PyTorch	35	Emerging	43	Python
11	p1an-lin-jung/teochew-g2p 这是一个潮州话文本端的处理工具和正字标准，主要为潮州方言的语音合成服务	33	Emerging	49	Python
12	greg-kennedy/p5-NRL-TextToPhoneme Perl implementation of the Naval Research Laboratory text-to-phoneme...	29	Experimental	15	Perl
13	bhashini-ai/g2p Grapheme-to-phoneme (G2P) conversion for Tamil / Kannada languages - a...	29	Experimental	12	Java
14	yuyq96/pyshengyun A Python converter for Chinese Pinyin and Shengyun (initials and finals)	27	Experimental	9	Python
15	slp-rl/HebTTS The official implementation of "A Language Modeling Approach to...	27	Experimental	108	Python
16	ayutaz/cc-g2pnp Reimplementation of CC-G2PnP: Streaming Conformer-CTC based Japanese...	26	Experimental	8	Python
17	ye-kyaw-thu/myG2P Myanmar (Burmese) Language Grapheme to Phoneme (myG2P) Conversion Dictionary...	25	Experimental	60	Perl
18	thewh1teagle/israwave Mission to create a Hebrew TTS model as powerful and user-friendly as WaveNet	25	Experimental	39	Python
19	dangvansam/phoneme2grapheme-vietnamese convert phoneme to grapheme vietnames	20	Experimental	6	Python
20	thewh1teagle/heb-piper-tts-gemma-g2p-onnx Text to speech with Hebrew G2P and TTS models based on Piper/Gemma3	18	Experimental	4	Python
21	traderpedroso/xphoneBR XphoneBR is a Brazilian portuguese transformer base grapheme-to-phoneme and...	14	Experimental	12	Python
22	themistocleous/IPA_English A text-editor that enables users to transcribe text written in Greek...	12	Experimental	3	Smalltalk
23	AcTePuKc/bg_g2p_builder Tools to generate a standardized Bulgarian IPA lexicon for Text-to-Speech...	11	Experimental	—	Python
24	thewh1teagle/gemma3-g2p Transform Gemma3 to G2P task with unsloth	10	Experimental	3	Python

Comparisons in this category

phonikud and phonikud-tts (62 vs 39) g2p-id and g2p (57 vs 29)