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Handy browser-based tools from the Synapse team. Everything runs on your device — no sign-up, no server, your text stays private.
Make bold, italic, strikethrough, and monospace text for WhatsApp. Combine styles and copy with one tap — free, no sign-up.
Test your WPM in 15, 30, or 60 seconds with live accuracy tracking. Share your score and challenge friends to beat it.
Live word, character, sentence, and reading-time counts — with limit checks for WhatsApp, X/Twitter, Instagram, and meta descriptions.
Copy-paste kaomoji like (≧▽≦) and ¯\_(ツ)_/¯ plus hearts, stars, and arrows. Searchable, categorised, one tap to copy.
Combine tone, task, and recipient into ready-to-use AI prompts for texts and emails — then save them as Synapse shortcuts.