Create.
Optimize.
Launch.
Featured
Capabilites
We built these to solve our own problems. Now they're yours.
Resume Studio
Build an ATS-friendly, professional resume with a live split-pane editor and instant PDF export.
Synthetic Data Factory
Generate high-quality datasets for LLM fine-tuning and AI agent training.
{
"instruction": "Explain quantum physics",
"output": "Quantum physics is..."
},
{
"instruction": "Write a Python script",
"output": "import math\nprint(math.pi)"
}
Newsletter Generator
Build professional, responsive email templates without touching MJML.
Video Studio
Remove or replace video backgrounds in real-time, directly in your browser.
Essential Utilities
Lightweight, specialized tools for everyday development.
Asset & UI Extractor
The ultimate site-to-code utility. Extract SVGs, brand colors, and fonts from any URL for free.
Image Toolkit
Compress, convert, and remove backgrounds from images in a single, powerful interface.
Docker Command Helper
Interactively build `docker run` and `docker-compose` commands.
CSS Animation Builder
A visual tool to create and export CSS keyframe animations.
SVG Shape Generator
Create organic SVG blob shapes.
JSON Formatter
Beautify and validate JSON data.
API Mocker
Generate mock API responses.
CSS Gradient
Visual linear/radial gradients.
Game Dev Toolkit
Browser-based utilities for indie game developers. No install required.
Why use Jaconir?
Pure utility. No marketing fluff.
Privacy First
Most tools run client-side. Your data rarely leaves your browser.
Zero Friction
No logins. No paywalls. No "free trial" traps. Just start building.
No Sign Up
We don't want your email. We just want you to build cool stuff.
Pro Quality
Tools that match or beat paid alternatives in functionality.
What Builders Say
Trusted by developers and creators worldwide.
"Finally, a toolset that doesn't ask for my email just to compress an image. The Asset Extractor saves me hours of design system documentation!"
"The Newsletter Generator saved me hours of coding MJML. Clean export and easy to use. No-brainer for quick marketing tasks."
"Synthetic data factory is exactly what I needed for my RAG pipeline testing. Clean JSON output every time."
Studio Projects
Experimental apps & games from our lab.
Frequently Asked Questions
Everything you need to know about Jaconir.
