Just one more step
Register to get your text revised right away for FREE ⚡
Today more than people got their English checked.
By continuing to use this website, you agree to our Terms of Service.
Register to get your text revised right away for FREE ⚡
Today more than people got their English checked.
By continuing to use this website, you agree to our Terms of Service.
Leave this page open, and your corrected text will appear as soon as it's ready!
Add payment method
NOTE: Credits are valid for one year.
TextRanch
The best way to perfect your writing.
Discover why 1,062,726 users count on TextRanch to get their English corrected!
1. Input your text below.
2. Get it corrected in a few minutes by our editors.
3. Improve your English!
One of our experts will correct your English.
Last updated: March 17, 2024 • 3149 views
'Prove of concept' is incorrect.
Alternatives:
'Proof of concept' is the correct phrase.
Our customers love us! We have an average rating of 4.79 stars based on 283,125 votes.
Also check out our 2,100+ reviews on TrustPilot (4.9
).
Thanks to TextRanch, I was able to score above 950 on TOEIC, and I got a good grade on ACTFL OPIC as well.
+ Read the full interview
— Alan, Student
I love TextRanch because of the reliable feedback. The editors' comments are helpful and the customer service is amazing.
+ Read the full interview
— Zubair Alam Chowdhury, Technical Support Specialist
TextRanch has helped me to improve my written skills as well as to communicate more naturally, like a local English speaker.
+ Read the full interview
— Michel Vivas, Senior Technology Officer
TextRanch is amazingly responsive and really cares about the client. It's the best online service that I have ever used!
+ Read the full interview
— Reza Bahrami, Photographer/Filmmaker
I started to use TextRanch when I began to learn English. It has been an awesome way to improve my English skills.
+ Read the full interview
— Chiara Baesso, Copywriter
I love that TextRanch editors are real people who revise the text and provide feedback – it makes it so personal.
+ Read the full interview
— Marelise, Social Media Manager
I sometimes wonder if my English expressions make sense clearly and TextRanch helps me a lot in such cases.
+ Read the full interview
— Snappy, Translator
TextRanch has been really helpful in improving the flow and repairing the structure of my sentences.
+ Read the full interview
— Rin, Translator
"Thank you!"
Sachi Nakama July 2024"I have literally been through chat, PI, claude, bard and bing and I got conflicting answers! Thank you! Human intelligence reigns!"
Retha July 2024"Faster than AI"
CYNTHIA December 2023"This was very helpful and I personally think this site is the best."
Kaden October 2023"It was extremely thorough and very helpful!"
imperialelisa October 2023"7 years without any disappointment. Always 100% satisfied. You guys are the best in the world at what you do. Thank you so much :)"
Zubair Alam October 2023"In a world of text messages and online communication, this is great to have as a live tool. Thank you."
Selena October 2023"Without textranch I would be stuck!"
宏祐 October 2023"Accuracy and fast response. Personal comments from editor. Thank you."
Clh September 2023"I wasn't aware of this service, it's fascinating and more reliable than standard IA tools available on the internet"
Arturo September 2023"The fact that you can get reliable fast feedback on your texts."
Vinicius Antonio August 2023"you guys are better than grammarly i'm being honest here"
ordinary July 2023"OMG! This is really good than any other text correction tools I've used so far. Highly recommend this."
Vehan July 2023"Very fast and accurate. thank you."
mojtaba July 2023"I love this app because it's help to writing skills all of students ♥️"
Tarisini July 2023"This was exactly the mistake I was looking for, the wording dind´t sound right at first. Better than grammarly!"
Ente July 2023"The immediate help that I received was reassuring and very satisfactory. Thanks."
priiiyanshuu July 2023"this helps A LOT for my studies."
kathnunez02 June 2023"Woow!! I would never have expected such precision! Thank you soooo much!!"
Berta June 2023"Real Time Editor and not AI. Many Thanks."
Priya June 2023"The very first thing excites me about Textranch is how much your editors care."
sepideh June 2023"The fact that texts are checked by human editors rather than by AI, etc. I appreciate this!"
Анна June 2023"Feel welcome, immediate response, high quality feedback"
martin.roy June 2023"This is the best app that I have ever seen"
Burulai May 2023📝 ️Notes for your editor
Let our editor help you, include background information, explanations of unusual words and special terms, or instructions about specific improvements you want.
Want to improve your English business writing?
More than 150,000 people like you receive our weekly newsletter to master their English skills!
Why choose TextRanch?
Lowest prices
Up to 50% lower than other online editing sites.
Fastest Times
Our team of editors is working for you 24/7.
Qualified Editors
Native English experts for UK or US English.