Save Time Writing and Editing With Our AI Editor

Improve your efficiency and minimize time spent when creating proposals by generating new texts with a command, checking for grammar and spelling errors, and suggesting improvements for clarity and conciseness

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Select and customize your proposal

  • Over 109 templates to choose from
  • Ready-made content
  • Flexible elements
  • Content library

Send and track all your proposals

  • How many times opened
  • How long it was open for
  • Status for each proposal
  • Email notification

Get the deal signed by the client

  • eSignature
  • Sign from any device
  • Type/upload/draw signature
  • Email notification

Create proposals with ease

Use AI To Write Clear, Concise Proposals Faster

Prospero's built-in AI editor handles tasks like grammar checking, creating new text from scratch, formatting tone and voice, translating text, and editing text length efficiently. This reduces the time and effort needed to draft, edit, and refine proposals, allowing you to concentrate on other high-value activities.

Generate New Text from Scratch


Generate New Text from Scratch

Prospero's AI enables you to create new text simply by writing a command. This offers you the flexibility and creativity to create tailored proposals that meet specific client needs. It also saves time by automating the editing process, allowing you to focus more on refining and personalizing content. The command also helps translate text into your client's preferred language.

  • Flexibility
  • Creativity
  • Fluency
  • Multilingual capabilities


Tone & Voice Change

Use the tone and voice toggle to rewrite or rephrase text to better resonate with your clients. Select from a variety of tones and voices to make your proposals sound professional, casual, funny, empathetic, technical, or persuasive.

  • Multiple options
  • Optimize vocabulary
  • Clarity
  • Tone & style check
Tone & Voice Change
Grammar Check


Grammar Check

Check for and correct grammatical errors, typos, and punctuation mistakes, right inside your proposal. Enhance clarity and confidence in your business proposals without switching through multiple apps.

  • Error check
  • Correction
  • Suggestions
  • Punctuation


Text Length

Optimize the length of text in your proposals to be shorter or longer depending on your peculiar needs. Highlight any block of text and use the AI Editor to reduce or increase the length without losing context.

  • Shorten text
  • Expand text
  • Grammar check
  • Summarize
Text Length

Create proposals with ease

Close 2.7x more deals every month

See how in-app document negotiations, workflow approvals, and CRM integrations can give your business a competitive edge.


Create proposals with ease

Integrate with any Platform in a Few Clicks

Prospero integrates with FreshBooks, QuickBooks, Stripe, Integromat and Zapier, so you can generate an invoice and get paid with one click. You can also install 3rd party scripts like Google Analytics, heatmaps and live chats.

View All Integrations
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Prospero not only allows me to structure all of my services well, but each and every proposal looks incredible. I have even received compliments from clients regarding the level of organization and the quality of my presentation.


Prospero is helping us to achieve exhilarating and invigorating results. We're receiving more qualified leads and higher conversion rates, followed by an explicit WOW reaction from our clients. It's a great boost to any business and it's easy to use!


Prospero helps me create high converting proposals! It has every possible feature a small business proposal tool needs to have and more but at fraction of the cost. Needless to say that it saves me hours of work.

Create proposals with ease

Why Do Our Customers Love PROSPERO?

Trusted by 2,000+ businesses in 57 countries

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Create your first proposal
  • Start from $8 a month
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4.9/5 – 103 Reviews