Software Alternatives, Accelerators & Startups

Topaz Gigapixel VS ForthWrite

Compare Topaz Gigapixel VS ForthWrite and see what are their differences

Topaz Gigapixel logo Topaz Gigapixel

AI based image resizer

ForthWrite logo ForthWrite

Email that sounds like you, and gets measurably more like you every week. Drafts in Gmail, Outlook, and the browser. Free to start.
Visit Website
  • Topaz Gigapixel Landing page
    Landing page //
    2023-04-12
  • ForthWrite Landing Page
    Landing Page //
    2026-06-19
  • ForthWrite Dashboard
    Dashboard //
    2026-06-19
  • ForthWrite In Gmail
    In Gmail //
    2026-06-19
  • ForthWrite Pricing
    Pricing //
    2026-06-19

ForthWrite is an AI email writing assistant for Gmail and Outlook that learns your writing style from your real sent mail. The more you use it, the more it sounds like you. Get smart drafts in seconds, auto-draft replies before you open your inbox, and maintain your personal voice at scale. Free to start, no credit card required. Works inside Gmail and Outlook on the web.

How it works

ForthWrite captures your tone, sentence rhythm, and sign-offs from your actual sent emails, then uses that profile to generate drafts that match how you write, not a generic AI voice. Every draft you edit or send improves the model over time.

Key features

  • Auto-draft: replies waiting in Gmail before you open your inbox
  • Voice matching from your real sent mail, not templates
  • Recipient-aware drafts that adapt to who you are emailing
  • Prompt Lab for version-controlling and A/B testing your persona prompt
  • BYOK support: bring your own API key for Claude, OpenAI, Grok, Mistral, and more
  • Works in Gmail and Outlook on the web, plus a standalone browser widget
  • Training data export and full data portability

Who uses it

Professionals who send high volumes of relationship-critical email: lawyers, financial advisors, recruiters, account executives, founders, and anyone who wants their inbox handled without sounding like a chatbot wrote it.

Pricing

Free tier includes 10 drafts per week with no credit card required. Paid plans start at $12/month and include unlimited drafts, custom persona prompts, and auto-draft.

Topaz Gigapixel

Pricing URL
-
$ Details
-
Platforms
-
Release Date
-

ForthWrite

$ Details
freemium $12 / Monthly (Standard plan)
Platforms
Web
Release Date
2026 June
Startup details
Country
United States
State
California
City
San Diego
Founder(s)
Curtis Boortz
Employees
1 - 9

Topaz Gigapixel features and specs

  • High-Quality Enlargements
    A.I. Gigapixel uses advanced machine learning algorithms to enlarge images up to 600% without noticeable loss of quality, maintaining details and sharpness that are often lost with traditional upscaling methods.
  • Batch Processing
    The software supports batch processing, allowing users to upscale multiple images simultaneously, which can save significant time and improve efficiency in workflow.
  • User-Friendly Interface
    A.I. Gigapixel offers an intuitive and user-friendly interface, making it accessible for both professional photographers and casual users. The process is streamlined, allowing for quick and easy upscaling.
  • Compatibility
    The software is compatible with both Windows and macOS systems, and it supports a wide range of image file formats, making it versatile for various use cases.
  • Frequent Updates
    Topaz Labs regularly updates A.I. Gigapixel with new features and improvements based on user feedback, ensuring the software stays cutting-edge and reliable.

Possible disadvantages of Topaz Gigapixel

  • Cost
    A.I. Gigapixel is a paid software, which may be a barrier for hobbyists or those on a tight budget. There is a one-time purchase fee, which some users might find expensive.
  • Processing Time
    Depending on the hardware specifications and the size of the images being processed, the software can take a significant amount of time to upscale images, especially for higher magnification levels.
  • System Requirements
    The software requires a higher-end computer with substantial RAM and GPU capabilities for optimal performance. Users with lower-spec machines may experience slower processing times or may not be able to use the software effectively.
  • Learning Curve
    Although the interface is user-friendly, there is still a learning curve associated with understanding the best settings and practices for different types of images, which may require some experimentation and experience.
  • Potential for Over-Processing
    There is a risk of over-processing images, leading to unnatural results if the settings are not carefully managed. Users need to find a balance to ensure the enhanced images still look realistic.

ForthWrite features and specs

  • Voice Matching
    Learns from your real sent mail, not templates
  • Auto-draft replies
    Replies waiting in Gmail before you open your inbox
  • Batch-drafting
    Draft replies for your entire inbox with one click
  • Works in browser
    Gmail, Outlook, and web browsers
  • BYOK support
    Claude, OpenAI, Grok, Mistral, and more
  • Prompt Lab
    Version control and A/B test your persona prompt
  • Free tier
    10 drafts per week, no credit card required

Analysis of ForthWrite

Overall verdict

  • I don't have verified information about a product called ForthWrite (forthwrite.ai). I cannot confirm its features, quality, or reputation, so I'm unable to provide an accurate assessment of whether it's good.

Why this product is good

  • No reliable data available on this specific product in my knowledge base
  • This may be a newer product, a niche tool, or possibly a fictional/hypothetical name
  • Providing details without verified information could result in inaccurate or fabricated claims

Recommended for

  • Unable to determine without verified product information
  • Consider checking the official website, user reviews on platforms like G2 or Trustpilot, and independent tech review sites for accurate details

Topaz Gigapixel videos

Topaz Gigapixel AI Review | My Honest Results in 2025

More videos:

  • Review - Topaz Gigapixel 8: What's new? Should you upgrade?

ForthWrite videos

No ForthWrite videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Topaz Gigapixel and ForthWrite)
Photos & Graphics
100 100%
0% 0
Email
0 0%
100% 100
AI
100 100%
0% 0
Email Productivity
0 0%
100% 100

Questions & Answers

As answered by people managing Topaz Gigapixel and ForthWrite.

Which are the primary technologies used for building your product?

ForthWrite's answer:

Next.js, React, Supabase, Anthropic Claude, OpenAI, Stripe, Vercel, Chrome Extensions API

What makes your product unique?

ForthWrite's answer:

ForthWrite learns your writing style from your actual sent mail, not a generic prompt. Every draft sounds like you wrote it because it was trained on how you actually write. It also auto-drafts replies before you open your inbox, so your email is partially handled before your day starts.

Why should a person choose your product over its competitors?

ForthWrite's answer:

Most AI email tools give you a blank box and a "write for me" button. ForthWrite builds a voice profile from your sent history and gets more accurate with every draft you edit or send. Unlike ChatGPT or Gemini, it works natively inside Gmail and Outlook with no copy-paste. Unlike Lavender, it writes the draft, not just scores it.

How would you describe the primary audience of your product?

ForthWrite's answer:

Professionals who send high volumes of relationship-critical email and cannot afford to sound generic: lawyers, financial advisors, recruiters, account executives, consultants, and founders managing their own inbox.

What's the story behind your product?

ForthWrite's answer:

Built out of frustration with AI writing tools that produce text that sounds nothing like the person sending it, and as a way to handle large amounts of daily email. The core insight was that your sent mail is the best training data you already have, and no tool was using it.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Topaz Gigapixel and ForthWrite

Topaz Gigapixel Reviews

We have no reviews of Topaz Gigapixel yet.
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ForthWrite Reviews

  1. curtisboortz
    ยท Founder at ForthWrite ยท
    I built ForthWrite to fix generic AI email, and I still use it every day

    I built ForthWrite because I kept sending emails that sounded like they came from the same generic AI as everyone else. After launching it, I still use it for my own inbox every day, which is about the most honest endorsement I can give.

    The Chrome extension lives inside Gmail and Outlook on the web. Open a thread, hit Alt+Shift+D, and a draft comes back in your voice, not a template. The free tier is real: 10 drafts per week, no API key, no credit card. Voice matching is included on free, because that is the point.

    What keeps it useful compared to Gemini or a chat tab: it learns from what you actually send. Every edit you make before hitting send becomes a signal. Over time the drafts drift closer to how you really write, and the dashboard shows the improvement curve so you can see it happening.

    The web compose surface lets you draft from forthwrite.ai without installing anything, useful for people who want to try before committing to the extension.

    Standard adds recipient-aware and intent-aware drafting plus AI coaching. Pro adds auto-draft (replies waiting when you open Gmail), batch replies, and Prompt Lab for version-controlling your prompts. Teams adds a shared persona and seat-level analytics.

    ForthWrite is not for everyone. If you just need quick replies and tone does not matter, Gemini is free and already in your inbox. ForthWrite is for people where tone does matter: client communication, relationship-driven threads, external correspondence where sounding off costs something real.

    Disclosure: I am the founder and use it daily. Happy to answer questions in the comments.

    ๐Ÿ Competitors: Jace.ai, Fyxer, Mailmeteor
    ๐Ÿ‘ Pros:    Drafts land inside gmail and outlook; no copy-pasting from a chat window|Voice matching is on the free tier, not paywalled behind paid plans|No api key, no credit card to start; free tier runs on a server-side proxy|Learns from every edit you make before sending; drafts improve over time|Full keyboard flow: alt+shift+d to draft in any thread, no mouse required|Byok on paid plans, 9 providers supported, keys encrypted at rest|Web compose at forthwrite.ai works without installing the extension at all
    ๐Ÿ‘Ž Cons:    10 free drafts/week is enough to evaluate, not enough for a heavy inbox|Auto-draft, batch replies, and prompt lab all require the pro tier|Early-stage product; fewer third-party integrations than mature inbox tools|No mobile app: the extension and add-in are desktop-only (chrome on web, or the outlook desktop add-in)

Social recommendations and mentions

Based on our record, Topaz Gigapixel seems to be more popular. It has been mentiond 7 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Topaz Gigapixel mentions (7)

  • Looking for a better quality of this photo please (if there is any)
    You could always try and use the free trial of Topaz Gigapixel AI. Topaz Gigapixel. Source: over 5 years ago
  • Increase Image Resolution
    If you really need some good upscales, you can use an AI upscaler. They work much better than enhance details 2.0 imo. I think topaz gigapixel is pretty cool. Source: over 5 years ago
  • Donโ€™t believe for a second the artist intended for their game to look like the picture on the left.
    I know there are AI utilities out there like Topaz's Gigapixel to upscale low resolution images. However, those would probably not make the image on the left appear as good as the image on the right. Do any AI upscalers exist for pixel art that was meant to be displayed on CRTs to make the image appear as intended on LCD screens? While CRT filters and artificial scanlines exist, I'm not sure those deliver quite... Source: over 5 years ago
  • where i can find this wallpaper?
    If you want it in a higher resolution I recommend using Gigapixel AI โ€“ Topaz Labs, in a nutshell it uses AI to upscale any kind of image, I used with some photos of mine from my Instagram that I downloaded in very poor quality, and after I put them through this software they came out with a quality even higher than before I uploaded them, kinda scary sometimes how good this works, it's paid though, but you can get... Source: over 5 years ago
  • Photoshop's new AI feature quadruples the amount of pixels in your photos
    Which is exactly how Topaz Labs Gigapixel AI works. They've a free demo available on their site, if anyone wants to download it and give it a play. Source: over 5 years ago
View more

ForthWrite mentions (0)

We have not tracked any mentions of ForthWrite yet. Tracking of ForthWrite recommendations started around Jun 2026.

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