
GridMaker.org
GridMaker.pro
OnlineGridMaker
IG Grid Maker
Art Grid Maker
Canva
Grid Maker Online
The ultimate free grid maker tool. Overlay grids on reference photos, crop to paper sizes, and apply sketch filters. Private, local, and ad-free.

Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.

Which is more popular?
Based on our record, Cert Decoder seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | gridmakers.app | certdecoder.com |
| Pricing | ||
| Platforms | — | |
| Company | 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


GridMakers is a free, browser-based tool that brings the traditional grid drawing method into the modern era. While many existing tools rely on outdated web technologies, GridMakers offers a fast, responsive, and seamless experience without the need for downloads or account registration. Key...
Cert Decoder is a free online tool that helps you decode X.509 SSL/TLS certificates in PEM format. It instantly shows important information like the issuer, expiry date, SAN entries, and fingerprint. All data is processed locally in your browser, so nothing is ever sent or stored elsewhere.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing GridMakers.app and Cert Decoder.
Cert Decoder's answer:
I built certdecoder.com over the weekend for my own needs. Sometimes in my work, I need to verify and check certificate details.
GridMakers.app's answer
GridMakers is built with a focus on high performance and zero-latency image processing. The primary technologies include:
HTML5 & CSS3: Leveraging modern web standards to ensure a fully responsive UI that works seamlessly across desktops, tablets, and mobile devices.
Canvas API: Using advanced hardware-accelerated rendering for real-time grid adjustments and high-resolution image filtering without server-side processing.
Modern JavaScript (ES6+): For efficient, lightweight client-side logic that ensures the tool remains fast and privacy-focused (images are processed locally in the browser).
Progressive Web App (PWA) Principles: Designed to be an 'instant-on' tool that requires no installation or account creation, providing a native-app-like experience in any browser.
Cert Decoder's answer:
certdecoder.com was built using just JavaScript and HTML—simple, fast, and with all processing happening locally in your browser, so no certificate data is sent to any server
GridMakers.app's answer
GridMakers is purposefully designed for three distinct groups of creators, with pre-set configurations optimized for their specific workflows:
Traditional Fine Artists: Those working with oil, charcoal, or graphite who need precise scaling from digital references to physical canvases or paper.
Muralists & Large-Scale Creators: Artists who require specialized grid ratios to manage proportions on a massive scale without losing detail.
Art Educators & Students: Beginners who use the 'Grid Method' to learn about proportions, values, and spatial relationships. By offering pre-set parameters for different media and sizes, GridMakers eliminates the guesswork, allowing artists to focus on their craft rather than technical setup.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
GridMakers.app's answer
GridMakers stands out by balancing extreme simplicity with mission-critical features that competitors overlook. While other tools only offer basic lines, GridMakers provides 4 specialized Image Filters designed specifically to help artists see values and structures more clearly. Furthermore, our intuitive 'Paper Handling' settings allow users to preview and adjust how the grid will translate to physical media, ensuring a seamless transition from screen to sketchpad. It’s built by understanding that artists need more than just a grid—they need a better way to visualize their reference.
Cert Decoder's answer:
Simple, fast, and reliable. Some similar tools can’t even decode basic certificates. I rigorously tested my tool with many real-world certificates and covered several edge cases where competitors fall short.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
GridMakers.app's answer
GridMakers was born to solve the frustrations of using outdated grid tools. It packs all essential features—like customizable line weights, colors, and opacity—into a modern, lightning-fast web interface. Unlike legacy tools, it's fully responsive (mobile-friendly), requires no account, and is 100% ad-free, making it the most efficient way for artists to prepare their references in seconds.
Share your experience with using GridMakers.app and Cert Decoder. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking GridMakers.app since Dec 2025.
Why? Because I built certdecoder.com and couldn’t find a decent place to submit it. So I said screw it — I’ll build my own. With blackjack and hookers. - Source: dev.to / over 1 year ago
When comparing GridMakers.app and Cert Decoder, you can also consider the following products.

Split any image into Instagram posts. Create stunning grid effects for your feed. Fast, free, and easy to use online tool.
Compare GridMaker.org to GridMakers.app or Cert Decoder:

Create accurate drawing grids with our free grid maker online. Customize lines, scale photos, and transfer images with better proportions. No signup required.
Compare GridMaker.pro to GridMakers.app or Cert Decoder:

Add a precise grid overlay to any image for drawing and sketching. Customize rows, columns, line color and thickness. 100% free, no signup, no upload.
Compare OnlineGridMaker to GridMakers.app or Cert Decoder:

With our free online tool, you can easily create beautiful Instagram grids and puzzles in seconds. IG Grid Maker is perfectly adapted to 2025 Instagram updates, no registration or software download required.
Compare IG Grid Maker to GridMakers.app or Cert Decoder:

Free browser-based grid maker for drawing, canvas, and mural references.
Compare Art Grid Maker to GridMakers.app or Cert Decoder:

Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
Compare Canva to GridMakers.app or Cert Decoder: