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OnlineGridMaker VS JSON Generator

Compare OnlineGridMaker VS JSON Generator and see what are their differences

OnlineGridMaker

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.

Rating
0 reviews
Pricing
Free Free trial
Alternatives Is it good?
JSO
JSON Generator

Create mock and sample JSON using a powerful template syntax

Rating
0 reviews
Alternatives Is it good?
Measure.sh
Measure helps mobile teams monitor and fix crashes, ANRs, bugs, and performance issues. The open source alternative to Firebase Crashlytics. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, JSON Generator seems to be more popular. It has been mentioned 9 times since March 2021.

social mentions
0 vs 9
Design Tools popularity
100% vs 0%
alternatives listed
12 vs 72

Base details

Website, pricing, platforms and company facts side by side.

OnlineGridMaker
JSO
JSON Generator
Website onlinegridmaker.com json-generator.com
Pricing
Free Free trial
—
Platforms
Web
—
Company Startup from China · 1 - 9 employees · 2026 —
Listed in
Design Tools Free Tools Image Editing Productivity Tool Graphic Design Software Website Design Art Tools +5
Developer Tools Testing API Tools JSON +1

About OnlineGridMaker and JSON Generator

In their own words, as submitted to SaaSHub.

OnlineGridMaker
JSO
JSON Generator

OnlineGridMaker is a free browser-based tool that adds customizable grid overlays to any image — designed specifically for artists, illustrators, art students, and anyone who practices drawing from reference photos. Why OnlineGridMaker? Most grid tools are either too basic (fixed grid size, no...

Read more about OnlineGridMaker

No description of JSON Generator yet.

Features and specs

What each product offers, as listed by its team.

OnlineGridMaker 8 features
JSO
JSON Generator 4 features
  • Grid Overlay
    Add customizable grid on any image with adjustable rows and columns
  • Perspective Guide
    1-point and 2-point perspective grid for drawing practice
  • Customizable Lines
    Adjust line color, thickness, and opacity to your preference
  • Cell Labels
    Optional A1, B2 style labels for precise reference
  • No Signup Required
    Open and use immediately, no account needed
  • 100% Local Processing
    All processing happens in your browser, no uploads to any server
  • Download Options
    Export as PNG or print directly
  • 100% Free
    Completely Free — no signup, no premium version, unlimited use
  • Easy to Use
    JSON Generator has a user-friendly interface that allows users to quickly create JSON data with minimal effort.
  • Customizable
    The tool allows customization of JSON data structures, enabling users to define their own fields and data types.
  • Random Data Generation
    It can generate random data for testing purposes, which is useful for developers and testers working on applications requiring sample data.
  • Templates
    JSON Generator provides templates to speed up the data creation process, allowing users to quickly start with common structures.

Possible disadvantages

  • Limited Advanced Features
    The tool may lack some advanced features that developers might need for more complex JSON data generation.
  • Online Dependency
    Being an online tool, it requires an internet connection, which might not be suitable for all users or situations.
  • Security Concerns
    As with any online tool, there may be concerns about the security of the data being generated or uploaded.
  • Learning Curve for Templates
    While templates are available, there may be a learning curve associated with understanding and effectively using them for new users.

Analysis

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

OnlineGridMaker
JSO
JSON Generator

Overall verdict

  • OnlineGridMaker is a solid, no-frills tool for quickly creating grid layouts, graph paper, and grid-based designs directly in the browser without needing to install design software.

Why this product is good

  • Free and easy to access online without registration
  • Simple interface that lets users generate custom grids quickly
  • Useful for printable graph paper, layout planning, and design mockups
  • No steep learning curve compared to full design software
  • Lightweight and fast-loading tool

Recommended for

  • Students needing graph paper for math or art projects
  • Designers sketching quick layout grids
  • Teachers preparing printable grid worksheets
  • Hobbyists working on cross-stitch, pixel art, or similar grid-based crafts
  • Anyone needing a fast, free grid-generation tool without installing software

No analysis of JSON Generator yet.

Videos

Walkthroughs and reviews on video.

OnlineGridMaker 1 video + Add
JSO
JSON Generator 0 videos + Add

OnlineGridMaker — Free Grid Overlay Tool for Artists

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

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
OnlineGridMaker
JSO
JSON Generator
100% 100%
Design Tools
0% 0%
0% 0%
Developer Tools
100% 100%
100% 100%
Image Editing
0% 0%
0% 0%
JSON
100% 100%

Questions & Answers

As answered by people managing OnlineGridMaker and JSON Generator.

What makes your product unique?

OnlineGridMaker's answer

-Unlike most grid tools that only offer basic square grids, OnlineGridMaker combines customizable grid overlays (adjustable rows, columns, color, opacity) with perspective guides for 1-point and 2-point drawing. It also offers optional cell labels (A1, B2 style). Everything runs 100% locally in the browser — no image uploads, no signup, no data ever leaves your device.

Why should a person choose your product over its competitors?

OnlineGridMaker's answer

-Most alternatives either require installing software, force you to create an account, or upload your images to a server. OnlineGridMaker is completely browser-based, free forever with no premium tier, and processes everything on your device. Just open the page, upload a reference image, and start gridding in seconds. It's faster, more private, and zero friction compared to desktop apps or account-gated web tools.

How would you describe the primary audience of your product?

OnlineGridMaker's answer

-Artists, illustrators, art students, and hobbyists who practice drawing from reference photos — especially those learning proportion, composition, and perspective. Also useful for architects, designers, and educators who need quick grid overlays for teaching or planning purposes.

What's the story behind your product?

OnlineGridMaker's answer

-Built by an independent developer who noticed that most free grid tools were either too basic (fixed grids only) or required downloading software. The goal was simple: a professional-grade, free grid overlay tool that respects user privacy by processing everything locally in the browser. No tracking, no uploads, no strings attached.

Which are the primary technologies used for building your product?

OnlineGridMaker's answer

-Pure HTML, CSS, and JavaScript — no frameworks, no backend, no dependencies. Hosted as a static site on Cloudflare Pages for global CDN delivery. The tool uses the HTML5 Canvas API for rendering grids and generating downloadable PNG images client-side.

Who are some of the biggest customers of your product?

OnlineGridMaker's answer

·Art students using it for figure drawing and still life proportion practice

·Freelance illustrators who need quick grid references before starting digital paintings

·Art teachers incorporating it into classroom demonstrations

·Comic artists using perspective guides for background layouts

User comments

Share your experience with using OnlineGridMaker and JSON Generator. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

OnlineGridMaker 0 mentions
JSO
JSON Generator 9 mentions

Tracking OnlineGridMaker since May 2026.

  • How to code faster - VS Code edition
    JSON Generator: also generates mock data, but for JSON specifically. It's a bit more complex, but it allows for tailor-made results. - Source: dev.to / almost 3 years ago
  • Show HN: Generate JSON mock data for testing/initial app development
    Is there a generator for all the JSON generators out there? https://json-generator.com/. - Source: Hacker News / about 3 years ago
  • Object-oriented JSON in Go
    So I generated a random JSON file and tried parsing it. It doesn’t error, but whenever I do a println(root.Object().Value().String()), I get a panic: wrong type. If I do a println(root.Object().Present()), it prints false. So seems like... Source: over 3 years ago

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Alternatives to OnlineGridMaker and JSON Generator

When comparing OnlineGridMaker and JSON Generator, you can also consider the following products.

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