Tools for Software Developers
A curated suite of fast, browser-based utilities for software engineers, backend developers, and web creators. Format JSON/SQL, test regex, decode JWTs, and diff files locally.
Available tools
Ready to use now. These tools run in your browser unless noted otherwise.
JSON Formatter / Validator
Format, validate, prettify, and minify JSON data locally.
Regex Explainer
Test and debug JavaScript regular expressions with real-time match explanations.
SQL Query Formatter
Format and prettify SQL queries across PostgreSQL, MySQL, SQLite, and T-SQL.
JWT Decoder and Encoder
Decode JSON Web Tokens and inspect header, payload, and signature data.
Technical Document Diff Viewer
Compare text and code files side-by-side with visual inline diff highlighting.
Cron Expression Builder
Build and interpret standard cron schedule expressions with human explanations.
Code to Image Converter
Convert code snippets into beautiful, customizable images for sharing.
.gitignore Generator
Generate customized .gitignore files for any language or framework.
GitHub README Generator
Create impressive, structured GitHub profile and repository READMEs.
ATS Resume Checker & Optimizer
Analyze resume text for ATS keyword optimization and parsing scores.