Guides, Tips & Explainers
Deep dives on how online tools work, financial calculators for India, security concepts, and practical how-to guides — all written by the ToollyX team.
How to Compress a PDF Without Losing Quality
A practical walkthrough of PDF compression — what actually happens inside the file, when you lose quality vs. not, and how to get the best results using ToollyX.
How to Remove Image Background Free Online
Step-by-step guide to removing backgrounds from photos online — covering tolerance settings, edge smoothing, replacement backgrounds, and when free tools work best.
How to Generate a Strong Password (And Why It Actually Matters)
What makes a password genuinely strong? Entropy explained in plain language, plus a walkthrough of every option in ToollyX's password generator.
How to Convert Images to WebP Format
WebP cuts file sizes by 25–34% vs JPEG and 26% vs PNG with no visible quality loss. Here's exactly how to convert your images and when to use each output format.
How to Calculate EMI on a Home Loan in India
The exact EMI formula, worked examples for ₹20L–₹1Cr loans, how tenure and interest rate affect your total outgo, and what our EMI Calculator shows beyond the monthly figure.
What Is Base64 Encoding? A Clear Explanation with Examples
Base64 isn't encryption — it's a way to represent binary data as text. This article explains why it exists, how the alphabet works, URL-safe variants, and real-world uses.
What Is SHA-256 Hashing and How Does It Work?
SHA-256 powers Bitcoin, SSL certificates, and Git. This explainer covers one-way functions, avalanche effect, collision resistance, and how to generate hashes right in your browser.
AES-256 Encryption Explained: How It Protects Your Data
AES-256 with GCM mode is the gold standard for symmetric encryption. This article breaks down blocks, rounds, key derivation with PBKDF2, and how ToollyX implements it client-side.
What Is a JWT Token? Structure, Claims, and Security Explained
JWTs are three Base64URL-encoded parts separated by dots. We dissect every field — header, payload, signature — explain registered claims like iss/exp/sub, and show what ToollyX's JWT Decoder reveals.
Unicode vs ASCII: What's the Difference and Why Does It Matter?
ASCII handles 128 characters. Unicode covers over 149,000. Understanding the difference explains why mojibake happens, how emoji work, and what UTF-8 actually does under the hood.
SIP vs Lump Sum Investment in India: Which Gives Better Returns?
Rupee cost averaging vs. full deployment — we run the numbers on both strategies across bull and bear markets, with calculators to verify every scenario yourself.
PNG vs WebP vs JPEG: Which Image Format Should You Use?
File size, transparency support, browser compatibility, and lossy vs lossless — a complete comparison so you know exactly which format to pick for photos, logos, and web graphics.
Markdown vs HTML: When to Use Which (and How to Convert)
Markdown is faster to write; HTML gives precise control. We compare syntax, tooling, portability, and rendering — with conversion tools that make switching between them instant.
Free vs Paid PDF Tools: What Do You Actually Get?
Adobe Acrobat costs ₹1,300/month. ToollyX is free. We break down exactly what paid PDF tools offer vs free browser-based alternatives — and where the real gaps are.
GST Calculator Guide for Indian Freelancers and Consultants
GST registration threshold, applicable slabs for IT services and creative work, how to add GST to invoices, and when CGST+SGST vs IGST applies — all with live calculations.
PPF vs FD in 2026: Which Is Better for Indian Investors?
PPF at 7.1% tax-free vs FD at 7.25% taxable. We run the post-tax math for 30%, 20%, and 5% slab holders across 15-year horizons, with our calculators doing the heavy lifting.
Income Tax Slab Rates in India for FY 2025-26 (AY 2026-27)
New vs Old tax regime slabs for FY 2025-26, standard deduction changes, surcharge and cess, and a clear decision framework to choose which regime saves you more money.
Top 10 Free Developer Tools Every Indian Dev Uses Daily
From JSON formatters to regex testers, these are the browser-based developer tools that Hyderabad, Bengaluru, and Pune engineers actually keep open in their tabs.
10 Text Tools Every Writer, Editor, and Content Creator Needs
Word count, readability, diff checking, text-to-speech, and more — the ten text manipulation tools that eliminate the boring parts of writing so you can focus on the actual content.
15 Best Free Online Tools for Students in India (2026)
From citation generators to EMI calculators for education loans, these 15 free tools from ToollyX cover everything Indian students need — without paying for subscriptions.