Like a patient mentor with a red pen, Redline marks up your prose and explains why—so every correction becomes a lesson.
The company's very uniqueredundant approach to customer service has been makingdrives remarkable results.
“Very unique” is redundant—unique already means one of a kind. The word stands stronger alone. Similarly, replacing “has been making” with “drives” adds energy and directness to your prose.
Redline doesn't just fix your writing—it teaches you to recognize patterns, strengthen your instincts, and write with greater intention.
Suggestions appear right where they matter—in the flow of your prose, just like a teacher's red pen marks.
Every suggestion comes with a clear rationale—understand the principle, not just the fix.
Track progress across clarity, structure, engagement, grammar, and conciseness over time.
Writing an email? A blog post? A tweet? Feedback adapts to what you're actually trying to accomplish.
Learn from the voices you admire. Analyze how your favorite writers construct their prose.
Review past submissions, see your scores improve, and watch your instincts sharpen over time.
“The scariest moment is always just before you start. After that, things can only get better.”— Stephen King
Good writing isn't a gift—it's a practice. Redline is the patient mentor who sits beside you, marks your pages, and explains what makes prose sing. With every submission, you'll develop the eye of an editor and the instincts of a craftsman.
Start free. Upgrade when your words outgrow the limit.
1,000 words to explore
or $90/year (2 months free)
Whether you're crafting your first blog post or polishing your hundredth email, Redline meets you where you are—and helps you get where you're going.
Begin your writing journey