Practical Guides for Everyday Browser Tools
Fixvix guides explain the decisions behind common file, website, data, and productivity tasks. Each guide focuses on real workflows: what to check, when to use a tool, when not to use it, and how to avoid results that only look correct at first glance.
How to Compress Images Without Losing Quality
Reduce JPG, PNG and WebP file sizes with quality, target size and dimension settings while keeping images sharp for uploads, stores and websites.
Read the guide →How to Make a PDF Smaller Before Uploading
Reduce PDF size before email, online forms, portals and document uploads while keeping pages readable and important details intact.
Read the guide →How to Format JSON and Fix Common JSON Errors
Understand JSON formatting, validation errors, missing commas, broken quotes, trailing commas and cleanup before using JSON in APIs or configuration files.
Read the guide →How to Create QR Codes for WiFi, Links and Contact Cards
Build QR codes for websites, WiFi networks, vCards, map locations, calls, SMS and email while avoiding broken destinations and unreadable prints.
Read the guide →How to Check SSL Certificates and Security Headers
Learn what SSL expiry, certificate issuer, HTTPS status and HTTP security headers reveal before publishing or trusting a website.
Read the guide →How to Generate Strong Passwords and Check Password Strength
Create secure passwords with the right length, character types, and unpredictability, then test their strength before using them for accounts, servers, or credential storage.
Read the guide →How to Convert Images Between Formats for Web and Upload
Choose the right image format for web pages, emails, upload forms, and apps, and convert between JPG, PNG, WebP, HEIC, SVG, and AVIF without losing quality you need.
Read the guide →How to Calculate Loan Payments, Interest and Borrowing Costs
Use loan calculators to estimate monthly payments, total interest, and the real cost of borrowing before committing to a mortgage, car loan, or any other credit offer.
Read the guide →How to Encode, Decode and Hash Text for Developer Workflows
Understand when to use Base64, URL encoding, HTML entities, and cryptographic hashes for API work, data transfer, authentication systems, and secure credential storage.
Read the guide →How to Calculate BMI, Calorie Needs and Basic Health Numbers
Use health calculators to estimate BMI, daily calorie requirements, hydration targets, body fat percentage, and protein intake for general wellness tracking and goal planning.
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