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SpellFast AI

spellfast.aiWriting & editing

No liveness check has reached it yet; it is registered on the Chrome Web Store and Firefox Add-ons and has been in the index since 17 Sep 2026. How this is checked

SpellFast AI is a browser extension that improves, rewrites, and transforms text directly on websites. It provides keyboard-triggered editing, Improve and Rephrase modes, and inline parenthetical commands for applying custom writing instructions.

Inferred · not functionally tested

WebEmbeddableCloud-managed
SpellFast AI preview
Visit spellfast.ai

Overview

6 features

Purpose: Improving and rewriting text across websites without leaving the current writing workflow.

Inferred · not functionally tested

Audience: people who write online, including professionals and content creators

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: unknown · license: Proprietary · platforms: WEB · deployment: browser, embeddable, cloud_managed

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: spellfast.ai · chromewebstore.google.com · addons.mozilla.org. These links do not verify the individual claims.

In the Writing & editing space, SpellFast AI takes a focused approach. Inferred · not functionally tested: It focuses on improving and rewriting text across websites without leaving the current writing workflow. Inferred · not functionally tested: It is built as a consumer product for people who write online, including professionals and content creators. Basis unknown · not verified: SpellFast AI is available on the web and embeddable surfaces.

SpellFast AI first shipped in 2024. Inferred · not functionally tested: Key capabilities include keyboard shortcut, text improvement, and text rephrasing.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Keyboard shortcut
  • Text improvement
  • Text rephrasing
  • Inline commands
  • Custom hotkey
  • Intent-based editing

Topics: Inferred · not functionally tested

Tags
grammar-checkingtext-rewritingbrowser-extensioninline-commands
AI capabilities
Text
Inference: Cloud API

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddableCloud-managed

Trust & compliance

Public signals
HTTPSPrivacy PolicyStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed17 Sep · 00:15 UTC
    AI Grammer Checking by SpellFast seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about SpellFast AI

What does SpellFast AI do?
Inferred · not functionally tested: SpellFast AI focuses on improving and rewriting text across websites without leaving the current writing workflow. It is catalogued under Writing & editing on PulseGate.
Who is SpellFast AI for?
Inferred · not functionally tested: SpellFast AI is a consumer product built for people who write online, including professionals and content creators.
What platforms does SpellFast AI run on?
Basis unknown · not verified: SpellFast AI runs on the web and embeddable surfaces.
Is SpellFast AI still active?
Unverified. SpellFast AI has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to SpellFast AI?
Similar projects tracked by PulseGate include Free AI Grammar Checker, Grammarly-AI Writing Assistant, and GrammFix.Free AI Grammar CheckerGrammarly-AI Writing AssistantGrammFix
How long has SpellFast AI been around?
SpellFast AI first shipped in 2024.

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