# Symelo - Deep Tech Precision

URL: https://dev.symelo.com/

Founder-led web development, AI tooling, and psychology research systems.

## What we do

### Client work

Websites, web apps and APIs built to order in Next.js, React, PHP and Laravel.

### Our own products

Web products we design, build and run ourselves.

### Research

Applied work on AI, psychology and how people make decisions in software.

### Free tools

Nine tools for everyday image, development and monitoring tasks.

## Selected work

### Obuvna Zona

An online store for women's shoes, with browsing by category and search by size and colour.

## Free tools

### Password & Random Generator

Generate passwords, passphrases, names, and custom patterns with adjustable character rules and batch export.

### JSON Viewer

Validate, format, search, and inspect JSON trees in the browser.

### Text & Code Diff Checker

Compare text or code with whitespace controls and diff export.

### HTML Cleaner

Clean HTML in the browser by removing unwanted tags, attributes, styles, and comments.

### QR Code Generator

Create branded QR codes with custom colors, center images, and PNG or SVG export.

### Placeholder Image Generator

Generate custom placeholder images with seeded backgrounds and SVG, PNG, or JPG output.

### Domain Registration Checker

Check one domain or a list for registration records and metadata.

### Symelo Images

Edit images with layers, clipboard paste, and export. Files stay on your device.

### Pulseguard

Monitor uptime, endpoints, SSL certificates, and heartbeats from several regions, with incident alerts and public status pages.

## Research

### Interface decision load

How visual density, timing, and information order affect user decisions.

### Human-in-loop tooling

Systems that keep experts in control while automating repetitive analysis.

### Behavioral telemetry

Clean event design for reliable product and research datasets.

## Tool links

- [Password & Random Generator](https://dev.symelo.com/tools/password-generator): Generate passwords, passphrases, names, and custom patterns with adjustable character rules and batch export.
- [JSON Viewer](https://dev.symelo.com/tools/json-viewer): Validate, format, search, and inspect JSON trees in the browser.
- [Text & Code Diff Checker](https://dev.symelo.com/tools/diff-checker): Compare text or code with whitespace controls and diff export.
- [HTML Cleaner](https://dev.symelo.com/tools/html-cleaner): Clean HTML in the browser by removing unwanted tags, attributes, styles, and comments.
- [QR Code Generator](https://dev.symelo.com/tools/qr-code): Create branded QR codes with custom colors, center images, and PNG or SVG export.
- [Placeholder Image Generator](https://dev.symelo.com/tools/placeholder-images): Generate custom placeholder images with seeded backgrounds and SVG, PNG, or JPG output.
- [Domain Registration Checker](https://dev.symelo.com/tools/domain-checker): Check one domain or a list for registration records and metadata.
- [Symelo Images](https://images.symelo.com/): Edit images with layers, clipboard paste, and export. Files stay on your device.
- [Pulseguard](https://uptime.symelo.com/): Monitor uptime, endpoints, SSL certificates, and heartbeats from several regions, with incident alerts and public status pages.

## Project links

- [Obuvna Zona](https://obuvnazona.bg/): An online store for women's shoes, with browsing by category and search by size and colour.
- [Garbamons](https://garbamons.com/): A community map for cleanup reports, sights, events, and travel notes.
- [Dumite](https://dumite-bg.com/): A Bulgarian dictionary with spelling guidance, common mistakes, and real usage examples.
- [Symelo Images](https://images.symelo.com/): Edit images with layers, clipboard paste, and export. Files stay on your device.

## Related pages

- [All tools](https://dev.symelo.com/tools)
- [Agent documentation](https://dev.symelo.com/llms.txt)