What platforms does Sleekio support?

Sleekio is available on Browser extension.

What are the limitations of Sleekio?

Limited to Chrome and web text boxes, so native apps and mobile are out of scope. Pricing and plan details are not stated on the homepage, leaving buyers to discover them later. The polish and draft features add a layer of AI judgment that some users may prefer to avoid.

Sleekio

Name: Sleekio
Author: Sleekio

Voice dictation that types your exact words, then polishes on one press.

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What is Sleekio?

Sleekio is a Chrome extension that turns speech into clean, formatted text in any web text box. It uses Whisper for accurate dictation in 20 languages, adds a one-press polish that repairs grammar without rewriting you, and shows a diff before anything is inserted.

Sleekio is a Chrome extension built for people who would rather talk than type. It attaches a microphone to every text box on the web (Gmail, WhatsApp Web, Google Docs, Slack, X, Reddit, Notion) and inserts speech at the cursor, so there is no copy and paste shuttle between apps. The engine is Whisper-based and covers 20 languages, including mixed-language sentences and accents. The pitch is fidelity: what the mic captures is your wording, with filler and false starts removed and corrections followed, not quietly rephrased. The product makes a clear distinction between dictation and generation. A second control, a sparkle, offers to polish a spoken draft by repairing grammar, flow and tone while keeping your vocabulary, claims and order intact. When the box is empty, the same control offers to write for you, with a label that says so and a site-aware prompt (email, tweet or comment). Before anything lands, a diff preview shows every change, and unknown details appear as visible blanks rather than invented facts. Tone preferences are remembered per site (formal on Gmail, playful on X), and three surfaces during recording (Discard, Stop, Finish and polish) each promise a fixed outcome. It suits professionals who write all day in a browser: sales reps, support agents, recruiters, students, and anyone with a repetitive strain injury or a preference for speaking. The dashboard counts spoken words and converts them into hours saved, which is the main quantified benefit. Setup is minimal, and the extension is silent on sites you switch off with one tap. Alternatives include OS-level dictation, Whisper desktop apps and AI writing assistants, but Sleekio's differentiator is the combination of exact transcription, in-place editing and an explicit preview step. The browser is the boundary: it will not help in native desktop apps or on mobile.

How do you use Sleekio?

1Install the Chrome extension
Add Sleekio from the Chrome Web Store and pin it to your toolbar. No account is needed to try the demo on the homepage.
2Open a text box and press the mic
Click into any web text box (Gmail, WhatsApp Web, Docs) and press the microphone icon or Alt+Z. Speak naturally; your words appear at the cursor with fillers removed.
3Choose a recording surface
While recording, three buttons appear: Discard, Stop (exact words) and Finish and polish. Hover to confirm what each will do before pressing.
4Review the diff before inserting
A preview shows exactly which words were added or changed. Nothing is inserted until you approve it.
5Draft from an empty box
Hover the sparkle over an empty box to ask Sleekio to write. It asks up to three questions on one card, then drafts with visible blanks for unknown details.
6Set per-site tone and shortcuts
After your first dictation on a site, adjust tone with one tap (Formal, Playful, Casual). Enable assignable keyboard shortcuts in settings if you want them.

Pros and cons

Pros

Dictation preserves exact wording, including self-corrections, while removing filler words.AI
Every insertion is previewed as a diff, so you see changes before they land.AI
Works in any web text box, from Gmail and Slack to Google Docs and Reddit.AI
Whisper engine handles accents, names and mixed-language speech across 20 languages.AI
Per-site tone memory and visible guesses reduce setup without hiding decisions.AI

Cons

Limited to Chrome and web text boxes, so native apps and mobile are out of scope.AI
Pricing and plan details are not stated on the homepage, leaving buyers to discover them later.AI
The polish and draft features add a layer of AI judgment that some users may prefer to avoid.AI
No keyboard shortcuts are enabled by default, so power users must configure them manually.AI

How much does Sleekio cost?

Free trial

A free tier lets you speak your first email without payment. No time-limited trial is described.

Learn more

Pricing

Free to start, with an upgrade path once voice becomes the main way you write. Exact plan names and prices are not listed on the homepage.

Learn more

Integrations

Runs as a Chrome extension inside web apps such as Gmail, WhatsApp Web, Google Docs, Slack, X, Reddit and Notion. No native app integrations are mentioned.

Features

Whisper-based dictation in 20 languages inserts exact words at the cursor in any web text box. One-press polish repairs grammar and flow without rewriting, with a diff preview before insertion. Empty boxes trigger site-aware drafting or replies, with visible blanks for unknowns. Per-site tone memory, voice editing commands, offline audio recovery, assignable shortcuts, per-site off switch, and a dashboard that totals spoken words and estimated hours saved.

Frequently asked questions about Sleekio

How much does Sleekio cost?
Free to start, with an upgrade path once voice becomes the main way you write. Exact plan names and prices are not listed on the homepage.
Does Sleekio offer a free trial?
A free tier lets you speak your first email without payment. No time-limited trial is described.
How do you use Sleekio?
The walkthrough on this page covers 6 steps: 1. Install the Chrome extension 2. Open a text box and press the mic 3. Choose a recording surface 4. Review the diff before inserting 5. Draft from an empty box 6. Set per-site tone and shortcuts.
What platforms does Sleekio support?
Sleekio is available on Browser extension.
What does Sleekio integrate with?
Runs as a Chrome extension inside web apps such as Gmail, WhatsApp Web, Google Docs, Slack, X, Reddit and Notion. No native app integrations are mentioned.
What are the limitations of Sleekio?
Limited to Chrome and web text boxes, so native apps and mobile are out of scope. Pricing and plan details are not stated on the homepage, leaving buyers to discover them later. The polish and draft features add a layer of AI judgment that some users may prefer to avoid.