Developer Guides
Free, in-depth tutorials for developers. Master JSON, security, SEO, design tools, and more.
Life Tools
Deep-dive guides for hardship letters, appeals, custody, and caregiver documentation. Real procedural detail, no fluff.
Mortgage Hardship Letter
FHA, VA, Fannie Mae — sample letters for forbearance and Flex Modification.
Read Guide →Medical Hardship Letter
Charity care under 501(r) vs bill negotiation. Sample letters for both paths.
Read Guide →Student Loan Hardship Letter
SAVE is gone, RAP starts July 1. Federal vs private letters with samples.
Read Guide →Appeal an Unemployment Denial
Deadlines, ALJ hearings, witness rules, and sample letters for every denial type.
Read Guide →Appeal a Health Insurance Denial
Internal appeal + external review timelines, EOB language, sample letters.
Read Guide →Appeal a Rental Application Denial
FCRA adverse action, screening errors, samples for credit/eviction/income denials.
Read Guide →Write a Parenting Plan
All 8 sections courts look for, schedules that get approved, common pitfalls.
Read Guide →When to Request a Custody Modification
The "substantial change" threshold, what meets it, what doesn't, how to file.
Read Guide →Caregiver Shift Handoff Standards
SBAR and I-PASS frameworks for CNAs and family caregivers. Change-in-condition flags.
Read Guide →Documenting Cognitive Decline
For doctors, lawyers, and judges. MMSE/MoCA, ADLs/IADLs, ABC framework.
Read Guide →JSON & Data Conversion
How to Convert JSON to CSV
Step-by-step guide to converting JSON data into clean CSV format.
Read Guide →JSON to CSV in Excel
Import and convert JSON data directly inside Microsoft Excel.
Read Guide →CSV to JSON Converter Guide
Convert CSV files to structured JSON with our online tool.
Read Guide →JSON to CSV with Nested Objects
Flatten deeply nested JSON structures into flat CSV rows.
Read Guide →JSON vs CSV: When to Use Each
Compare JSON and CSV formats and pick the right one for your use case.
Read Guide →How to Format JSON Data
Pretty-print, validate, and format JSON for readability and debugging.
Read Guide →Password Security
How Strong Is My Password?
Test your password strength and learn what makes a password secure.
Read Guide →Password Entropy Explained
Understand the math behind password strength and entropy bits.
Read Guide →Has My Password Been Leaked?
Check if your credentials appear in known data breaches safely.
Read Guide →SEO & Meta Tags
Meta Tag Generator for SEO
Generate optimized meta tags for better search engine visibility.
Read Guide →Open Graph Tags Guide
Master OG tags for rich social media previews on every platform.
Read Guide →SEO Checklist for New Websites
Complete checklist to launch your site with solid SEO foundations.
Read Guide →Colors & Design
Color Palette Generator Guide
Create harmonious color schemes for websites and applications.
Read Guide →WCAG Color Contrast Checker
Ensure your color combinations meet accessibility standards.
Read Guide →Hex vs RGB vs HSL Formats
Understand color format differences and when to use each one.
Read Guide →Base64 Encoding
Base64 Encode & Decode Guide
Learn how Base64 encoding works and when to use it in your projects.
Read Guide →Base64 Image Encoder Guide
Embed images directly in HTML and CSS using Base64 encoding.
Read Guide →Markdown
Markdown to HTML Guide
Convert Markdown to HTML with live preview and syntax highlighting.
Read Guide →Markdown Cheat Sheet
Quick reference for all Markdown syntax including tables and code blocks.
Read Guide →Getting Started
Best Free Developer Tools Online
Discover the best free browser-based tools for developers in 2026.
Read Guide →