Sérgio Rebelo’s Playground

A small collection of experiments, tools and interactive mini apps.

Explore, click around, break things, learn something and have fun.

🔍

Gerador de Queries ATS PT

Build search queries that make it easier to find relevant job postings across different recruiting platforms.

Interface in Portuguese. Results work on international job boards.

Search across multiple ATS job boards
Filters by location and job type
Platform specific query templates
Easy to use interface

Open ATS query generator

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Tech Events EN

Find information about the best Tech Events in Portugal and Europe.

Interface in English.

Conferences, Meetups, Hackatons and more
Search events by date, location or price
Curated selection of events
News, reviews and articles

Coming soon

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Gerador de Ditados

Gera e partilha "ditados" originais.

Gera Ditados originais com base numa fórmula
Grande lista de palavras
Concordância de género e tempos verbais
Geração de códigos únicos para partilhar

Soon

🎨

Color Palette Generator

Create, try and export color palettes for your projects.

Generation of complementar palettes
Contrast and Accessibility analysis
Export in multiple formats
Library with popular palettes

Soon

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JSON validator and formatter

Evaluates, analises and formats data structures in JSON.

JSON sintax validation/li>
Format and minifies
Analysis of data structures
Converts to other formats

Soon

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API Request Builder

HTTP Client to test your API

Supports all REST interfaces
Data Privacy
Local history

Soon