WhisperBar
Freemium
Mac users who dictate frequently
iTextwise
FreeOpen Source
You wrote the email. The point is right, the tone is wrong — too blunt, too casual, or one degree too aggressive for the recipient. iTextwise rewrites it in the voice you need without touching what you're actually saying.
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Pricing
- Model
- Free
Summary
The tool takes a paste-and-click workflow: drop in your text, select one of nine tones, adjust an intensity slider from subtle to strong, and get a rewritten version in seconds. A live diff highlights every word that changed, so you can see the delta rather than guess at it. There is no account, no saved data on the server, and no character limit — the page states this explicitly. The catch is equally explicit: this is a single-shot web tool. No API, no browser extension, no integrations with Gmail or Slack. Every rewrite is a manual trip back to the tab.
Bottom line: Reach for iTextwise when you have one awkward email to fix before a deadline — but if your team needs to rewrite support tickets at volume or wire tone correction into a product workflow, there is no API to call.
Find your fit
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Pros
- Nine distinct tones covering professional through academic, so you can match register to recipient without rewriting by hand across multiple drafts.
- Intensity slider controls how far the rewrite departs from your original phrasing, which means you can preserve your voice on a subtle setting or push to a full register shift when the draft is rough.
- Live inline diff highlights every changed word, so you can review the AI's edits before copying — avoiding the risk of sending a rewrite that quietly changed your meaning.
- No account, no server-side storage, and no character limit, which means you can paste sensitive text without creating a data trail or hitting a paywall mid-draft.
- Local session history stores recent rewrites in the browser, so you can compare versions or restore a previous pass without re-running the tool.
Cons
- No API and no integrations exist — every rewrite requires a manual trip to the browser tab. A support team handling more than a handful of tickets per day will spend more time copy-pasting than writing, and will switch to a tool with an API endpoint they can call from their helpdesk.
- The tool is web-only with no self-hosted option, so teams with strict data residency requirements cannot route text through it regardless of the no-storage policy — they will need a self-hostable alternative.
- Output is one-shot with no prompt customization beyond tone and intensity. When the rewrite misses the target — wrong formality level for a specific client relationship, or an empathetic tone that still sounds corporate — there is no way to refine the instruction. You re-run and hope the next pass is closer.
About
- Platforms
- Web
- API Available
- No
- Self-Hosted
- No
- Last Updated
- July 24, 2026
Best For
Who it's for
- Professional emails
- Team chat messages
- Application writing
- Essay and report drafts
What it does well
- Email formalization
- Chat message softening
- Cover letter polishing
- Academic draft refinement
- Customer support replies
Frequently Asked Questions
- Is iTextwise free?
- iTextwise offers a free option. Hosting, model usage, or optional services may have separate costs; check the pricing details and official terms.
- Is iTextwise open source?
- Yes. iTextwise is open source.
- What platforms does iTextwise support?
- iTextwise is available on: Web.
iTextwise takes any block of text and rewrites it in one of nine predefined tones — professional, friendly, concise, detailed, confident, empathetic, persuasive, academic, and technical. The workflow is three steps: paste your draft, pick a tone, set the intensity slider, and click convert. The vendor states results appear in seconds with no setup required. A local history log lets you revisit previous rewrites within the same browser session without re-entering text.
The differentiating detail is the live diff view. Rather than handing you a finished rewrite and asking you to trust it, iTextwise highlights every word that was added, removed, or reshaped inline. Paired with the intensity slider — which controls how far the rewrite departs from your original phrasing — this gives you a degree of editorial control that a plain text-output rewriter does not. You can see exactly where the AI changed your register before you copy anything.
The tool fits individual, one-off writing tasks: a cover letter draft that reads too stiff, a Slack message that lands too blunt, a support reply that needs to sound calmer. It breaks the moment volume or automation enters the picture. There is no API, no self-hosted option, and no integrations documented anywhere on the page — rewriting is done entirely through the browser interface, one paste at a time. Teams handling support queues or building tone correction into a content pipeline will hit this ceiling fast and move to an API-accessible service.
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