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Pocket TTS running in (mobile) Safari

Pocket TTS running in (mobile) Safari

by ldenoue·May 22, 2026·1 point·0 comments

AI Analysis

●●●BangerWizardryZero to OneNiche Gem

100M param TTS streaming in mobile Safari when cloud APIs dominate.

Strengths
  • Fixes SIMD relaxed vs fixed incompatibility to enable Safari support.
  • Streams audio chunks progressively instead of waiting for full generation.
  • Runs entirely client-side with no server dependency or API keys.
Weaknesses
  • 192MB initial download is heavy for mobile data connections.
  • Limited voice selection compared to cloud TTS services like ElevenLabs.
Category
Target Audience

Frontend developers, privacy-focused users, mobile web experimenters

Similar To

Coqui TTS · Piper TTS · Mozilla TTS

Post Description

The original wasm port didn’t run on Safari so I used Codex to help me fix the issue: was that simd relaxed didn’t work on Safari, only simd-fixed

What’s good about Pocket TTS is that it streams generated audio chunks.

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