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Tutorials, guides, and insights to help you build and ship faster.
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Day 17: Changelog Generator — Now supports private repos
Transform commit history into professional changelogs with private repo support. Use GitHub tokens to access private repositories, control scope (1/5/10 commits), and generate Keep a Changelog format release notes with AI.
Day 18: Image Optimizer — Fast client-side image optimization
Optimize images for production instantly in the browser: generate responsive sizes, WebP/JPEG/PNG variants, and download a ZIP — all client-side and private.
Day 19: MVP Validator — Validate your idea in minutes
Validate your startup idea quickly with the MVP Validator — get a concise readiness score, sub-scores, and actionable next experiments to test your idea.
Day 20: Portfolio Generator — Host a polished site in minutes
Generate, host, and share a professional portfolio with themes, live preview, and hosted links on Ship Advent.
Day 21: Resume Formatter — ATS-safe and Modern CV layouts
Transform raw CV text into ATS-friendly or modern visual resumes. Auto-detects sections, normalizes dates, provides layout checks and PDF export — all client-side.
Introducing Ship Advent: 25 Days of Free Developer Tools
Ship Advent is the ultimate developer advent calendar: 25 days of free developer tools, one micro saas tool per day from December 1st to Christmas. Discover indie hacker tools like regex testers, JSON formatters, JWT decoders, and more.
Day 16 — Import Checker: Paste‑ready cleaned imports for PRs
Find unused imports and generate a paste‑ready cleaned import block you can drop straight into your file. Perfect for quick PR cleanups.
Day 14 — Caffeine Calculator: Time your caffeine without wrecking sleep
Caffeine timing helper to maximize focus without wrecking sleep. Figure out safe windows, suggest optimal brew times, and avoid late-night jitters.
Day 15 — Git Cheat Sheet: Master 50+ commands instantly
Search, copy, and master 50+ essential git commands organized by category. Real-time filtering, practical examples, and one-click clipboard copy.
Custom QR Codes in Seconds: Day 8 of Ship Advent
Unlock Day 8 of Ship Advent: Generate scannable QR codes from any text or URL with full customization. Pick colors, styles, error correction, and embed logos – all client-side, no account needed. Download PNG, SVG, or JPEG instantly.
Favicon Generator – Day 10 of Ship Advent
Upload one logo, get multiple favicon sizes as PNG & ICO. Perfect for web icons, browser tabs, bookmarks, PWAs. No account needed, instant download.
Open Graph Preview – Day 11 of Ship Advent
Preview how your website appears on social media. Test Open Graph and Twitter Card tags instantly. See exact link previews before sharing on Facebook, LinkedIn, Twitter, and more.
Duck Duck Code – Explain Your Bug, Get Unstuck Instantly – Day 13
Stuck on a bug? Use Duck Duck Code, your AI rubber ducky debugger. Explain your problem, get structured debugging help, and learn better solutions. Free AI-powered debugging for developers.
Latest Articles
The Developer's Guide to Timestamp Confusion
End timestamp headaches with Ship Advent’s Day 4 Timestamp Converter. Unix seconds to human dates, timezone conversions, and relative time—all in one free browser tool for developers.
Stop Guessing: The Regex Tester That Actually Works
Master regular expressions with Ship Advent's free Regex Tester. Real-time matching, pattern library, and zero setup required. Perfect for developers.
Regex vs. String Methods: When to Use Each (And Why It Matters)
Should you use regex or string methods for parsing? Learn the tradeoffs, performance implications, and real-world decision framework for developers.
Stop Using Online JWT Decoders That Store Your Tokens
Inspect, debug, and sanity-check your JSON Web Tokens with Ship Advent’s Day 3 JWT Decoder. Client-side decoding, expiry checks, and security warnings built for privacy-conscious developers.
Master Text Case Conversion: A Developer's Guide
Convert between camelCase, snake_case, kebab-case, and more instantly. Perfect for variable naming across languages.
Test APIs in Your Browser: No Postman Installation Required
Test API endpoints directly in your browser with custom headers, query parameters, and multiple HTTP methods—all without installing anything.
Load Test Your API: Performance Metrics Without the Complexity
Test endpoint performance with sequential requests, get response time statistics, and export results—all for free, no setup required.
Messy JSON? Make It Beautiful in Seconds
Paste minified or invalid JSON and get instant formatting, validation, and stats with Ship Advent’s free JSON Formatter. Perfect for API debugging.
HTTP Status Codes Explained – Day 9 of Ship Advent
Unlock Day 9: Instant HTTP status code lookup, dictionary browsing, and explanations for 1xx-5xx codes. Turn 404, 429, or 418 into plain English with color-coded badges and category icons – perfect developer reference, no account needed.
Code Diff Viewer – Spot Changes Instantly – Day 12
See exactly what changed between two code snippets. Side-by-side comparison with syntax highlighting and line-by-line diffs. Perfect for code reviews, understanding changes, and learning.