Software Alternatives, Accelerators & Startups

Image Upscaler VS ForthWrite

Compare Image Upscaler VS ForthWrite and see what are their differences

Image Upscaler logo Image Upscaler

Image Upscaler is an online service that uses deep learning technology to enlarge images without losing quality.

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
  • Image Upscaler Landing page
    Landing page //
    2024-02-22

Image Upscaler - is a smart tool to upscale images without losing quality.

Traditional image enlargement often results in a blurry appearance due to the creation of new pixels based on the average of adjacent pixels. This can make the image appear stretched and unclear. Instead, Image Upscaler employs a sophisticated method using Deep Learning GAN (Generative Adversarial Network) to refine pixels. This technique ensures that the images maintain their clarity, eliminating any blurriness, and making them appear as if they were captured with a superior camera or from a closer point. The GANs used by Image Upscaler have been trained using high-resolution photo databases, allowing the algorithm to recognize and replicate the appearance of natural objects. When an image is uploaded, the AI-powered Image Upscaler examines it, producing new pixels that seamlessly fit into the image, resulting in a high-resolution output.

Apart from its primary image upscaling feature, Image Upscaler also boasts a variety of other AI-driven tools, including:

Deblurring AI Image Generator Photo and Video Cartoonizer Colorizer Inpaint Background Removal Image to Anime convertor Photo to Painting transformation Background Blur And many more!

  • 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.

Image Upscaler

$ Details
free $6 / Monthly
Platforms
-
Release Date
2019 April

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

Image Upscaler features and specs

  • Ease of Use
    The website interface is intuitive and user-friendly, making it easy for users of all experience levels to upscale images without complications.
  • Free Plan
    Offers a free plan that allows users to upscale a limited number of images without any cost, making it accessible for casual users.
  • AI Technology
    Uses advanced AI algorithms to improve image quality, ensuring that the upscaled images retain as much detail as possible.
  • Speed
    Processes images quickly, allowing users to get their upscaled images within a short period of time.
  • Online Access
    Being a web-based service, it doesn't require any software downloads or installations, which is convenient for users on different operating systems.

Possible disadvantages of Image Upscaler

  • Limited Free Use
    The free plan restricts the number of images that can be upscaled, which may not be sufficient for users with higher demands.
  • Subscription Costs
    Advanced features and unlimited use require a subscription, which may be a barrier for users who are not willing to pay.
  • Quality Variability
    While using AI, the quality of upscaled images can sometimes vary, especially with images that have complex details or low initial resolution.
  • Internet Dependency
    Since it is an online tool, a reliable internet connection is necessary for uploading and downloading images, which can be a limitation in areas with poor connectivity.
  • Privacy Concerns
    Uploading images to an online service can raise privacy concerns for users, particularly with sensitive or personal photos.

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 Image Upscaler

Overall verdict

  • Image Upscaler (imageupscaler.com) is a reliable tool for anyone needing to improve the resolution and quality of images. Its AI-driven approach and user-friendly platform make it a beneficial tool for various applications, including personal, professional, and e-commerce use cases.

Why this product is good

  • Image Upscaler is considered good because it leverages advanced AI technology to enhance image resolution with ease and efficiency. It provides users with a simple interface, making it accessible for both novices and professionals. The service is also appreciated for its ability to improve image quality without significant loss of detail, and it supports a wide range of image formats. Additionally, the convenience of not needing to install software makes it a popular choice for quick, on-the-go image enhancement tasks.

Recommended for

  • Photographers seeking to improve image quality without compromising on detail.
  • E-commerce sellers looking to enhance product images for better presentation.
  • Designers in need of a quick solution for upscaling images as part of their creative process.
  • Individuals or businesses requiring improved images for presentations or online content.

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

Image Upscaler videos

Best A.I. Image Upscaler? Top 7 Software Compared!

ForthWrite videos

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

Add video

Category Popularity

0-100% (relative to Image Upscaler 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 Image Upscaler 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

Share your experience with using Image Upscaler and ForthWrite. For example, how are they different and which one is better?
Log in or Post with

Reviews

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

Image Upscaler Reviews

We have no reviews of Image Upscaler yet.
Be the first one to post

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, Image Upscaler seems to be more popular. It has been mentiond 3 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.

Image Upscaler mentions (3)

  • (AI Upscaled) Meyoco Shadowborn Apostle SLD #685
    Found this image and used some random ai to upscale it because I think this art looks dope! Source: about 3 years ago
  • For those interested in some wallpapers ..
    For the 4 pictures in the first post I used https://imgupscaler.com/ but they only allow 5 free images per week. So I used https://imageupscaler.com/ for the remaining ones. Source: over 3 years ago
  • Looking for software to make pixilated pictures more clear
    These are some tools I found by searching for "upscale photo". There are open source solutions too, like this one: https://github.com/idealo/image-super-resolution. And there's a specialized solutions for anime pictures here: http://waifu2x.udp.jp/. Source: about 5 years ago

ForthWrite mentions (0)

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

What are some alternatives?

When comparing Image Upscaler and ForthWrite, you can also consider the following products

AI Image Upscaler by Upscale.media - Automatically upscale image resolution up to 4x the original size without loss in quality with our AI tool๐Ÿ”ฅ Itโ€™s free and forever will be.๐Ÿ” Make your images automatically bigger by 2x, 4x.โœจ Remove JPEG artifacts๐Ÿค– No pixelation or blurry details.

ReclaimAI - Helps users prioritize their work and personal calendars

Let's Enhance - Image upscaling supercharged

Superhuman - Superhuman is an email management tool.

AI Img Enlarger - Enlarge Images Without Losing Quality Online

Shortwave - Email smarter & faster with a reinvented experience for your Gmail