GST Invoice Blog
Practical guides for Indian freelancers and small businesses — from creating your first GST invoice to avoiding compliance mistakes.
How to Create a GST Invoice (Step-by-Step Guide)
Learn how to create a GST invoice step by step in India. Mandatory fields, CGST/SGST/IGST examples, common mistakes to avoid, and a free generator — no login needed.
How-To GuideHow to Calculate GST Manually (Simple Formula + Examples)
Calculate GST manually using inclusive and exclusive formulas. CGST, SGST, and IGST split, Indian tax rates, and step-by-step examples with real rupee figures.
How-To GuideHow to File GST Invoice Data Correctly
Learn how to file GST invoice data in GSTR-1 correctly. Step-by-step checklist, B2B and B2C filing examples, and the most common filing mistakes to avoid.
How-To GuideGST Invoice for Beginners: Complete Guide for New Businesses (2026)
GST invoice guide for beginners — who needs to issue GST invoices, when to register, what to include, and how to create your first invoice free.
How-To GuideHow to Cancel a GST Invoice (Credit Note + GSTR-1 Steps)
Wrongly issued a GST invoice? Issue a credit note, reverse it in GSTR-1, and protect buyer ITC. Step-by-step with real example — no CA needed. Free GST invoice tool.
How-To GuideHow to Revise a GST Invoice (Step-by-Step Guide & Rules)
How to revise a GST invoice — when to use a debit note vs credit note, how to amend in GSTR-1, the 3-period amendment window, and step-by-step examples.
How-To GuideHow to Add Logo to GST Invoice — Branding Your Business Invoice
How to add your business logo to a GST invoice. Logo placement, file format, and why professional invoice branding matters for Indian businesses.
How-To GuideHow to Send a GST Invoice by Email — Best Practices & Format 2026
How to send GST invoices by email: correct subject line, PDF format, attachment naming, email body template, and legal requirements for electronic invoices in India.
GST Invoice Rules in India (Simple Guide)
GST invoice rules in India: all mandatory fields under CGST Rule 46, when to issue a tax invoice vs bill of supply, and key compliance requirements for businesses.
GST EducationGST Invoice Format India: Explained with Example
GST invoice format in India — all 16 mandatory fields under CGST Rule 46, B2B vs B2C format differences, sample invoice layout, and how to create one free.
GST EducationGST Calculator Formula (India): Easy Method
GST calculator formula for India: inclusive GST = Price ÷ 1.18 × 0.18; exclusive = Price × 0.18. Step-by-step examples for CGST, SGST, and IGST calculation.
GST EducationGST Invoice Rules 2026: What Small Businesses Must Follow
GST invoice rules 2026: mandatory fields, e-invoicing thresholds, HSN code requirements, and key compliance changes every Indian business needs to know.
GST EducationGST for Freelancers in India (Rules, Rates & Invoicing Guide)
Can freelancers issue invoices without GSTIN? Learn when GST registration is mandatory, what bills to raise below the threshold, and how to stay compliant.
GST EducationGST Invoice Format 2026 — 16 Mandatory Fields, Free Example
GST invoice format requires exactly 16 mandatory fields under CGST Rule 46. Missing even one field = invalid invoice, your buyer loses ITC. Free format guide + live generator.
GST EducationCGST vs SGST vs IGST — Which to Charge? Formula + Examples 2026
Same state = CGST + SGST (each half the rate). Different state = IGST (full rate). Mixing these up causes your buyer to lose ITC. Exact formula, rate table, and real invoice examples.
GST EducationMandatory Fields in GST Invoice — Free Checklist (All 16 Fields)
Free checklist: all 16 mandatory GST invoice fields under CGST Rule 46. Miss one and your buyer loses ITC. Includes real invoice example and common mistakes.
GST EducationHSN Code on GST Invoice: When It's Mandatory & How to Find Yours
HSN code on GST invoice: when mandatory, how many digits to use (4, 6, or 8), how to find your correct HSN or SAC code, and penalties for using a wrong code.
GST EducationGST Debit Note vs Credit Note 2026 — When to Issue & Correct Format
Undercharged tax → issue a Debit Note. Overcharged tax or goods returned → issue a Credit Note. Both must be reported in GSTR-1 and linked to the original invoice. Format + examples.
GST EducationGST Invoice Number Format Explained (Rules, Example & Mistakes)
GST invoice number format rules — how to create a valid invoice serial number, allowed characters, series reset rules, and mistakes to avoid.
GST EducationGST Invoice Format for Services: SAC Codes, 18% Rate & Key Rules
GST invoice format for services — correct SAC codes, 18% GST rate, key differences from goods invoices, CGST/SGST split, and a free online invoice.
GST EducationGST Registration & Invoice Rules: What New Businesses Must Know
GST registration thresholds for 2026, invoice rules from day one, what changes when you cross the turnover limit, and common compliance mistakes to avoid.
GST EducationProforma Invoice Under GST (Format, Rules & Free Example)
Proforma invoice under GST — format, legal status, key differences from a tax invoice, when to use it instead of a tax invoice, and how to create one free.
GST EducationBill of Supply Under GST 2026 — When to Issue & Correct Format
Composition dealers and exempt-supply sellers cannot issue a Tax Invoice — they must issue a Bill of Supply. No GST shown, no ITC for buyer. Format, fields, and free generator.
GST EducationIntrastate vs Interstate GST — CGST, SGST & IGST Explained Simply
Same state = CGST + SGST. Different state = IGST only. How to determine place of supply, pick the right tax, and fill your GST invoice correctly.
GST EducationReverse Charge Mechanism GST: Who Pays, Invoice Format & Rules
Reverse Charge Mechanism (RCM) under GST — who pays tax, which supplies trigger RCM, how to issue an RCM invoice correctly, and claiming ITC on RCM tax paid.
GST EducationExport Invoice Under GST (LUT, Format & Zero-Rated Example)
Export invoice under GST — how zero-rated supply works, LUT filing process, when to charge IGST on exports, correct invoice format, and documentation.
GST EducationGST Invoice for IT Services: SAC Codes, 18% Rate & Format Guide
GST invoice for IT services — correct SAC codes for software development, IT consulting, SaaS, support services, and place of supply rules for tech companies.
GST EducationNil Rated vs Exempt Supply in GST — Key Differences Explained
Nil-rated (0%, full ITC) vs exempt (no ITC, bill of supply) vs zero-rated (exports, refund). Comparison table with invoice types and GSTR filing impact.
GST EducationGST on Consulting Services in India (Rate, SAC Code & Invoice)
GST rate on consulting services is 18%. SAC code 998312. See exact CGST/SGST/IGST breakdown, invoice example with ₹ figures, exemptions, and a free GST invoice generator.
GST EducationGST on Interior Design — Works Contract Rules, SAC 998392 & 18%
Interior design: 18% GST (SAC 998392). Works contract may attract 12%. Exact CGST/SGST breakdown, ₹ invoice example, ITC eligibility. Free GST invoice generator — no signup.
GST EducationGST on Web Development Services in India (Rate, SAC Code & Invoice 2026)
GST on web development is 18% (SAC 998311 or 998314). See invoice example with CGST/SGST/IGST breakdown, export rules, ITC claims, and a free GST invoice generator for developers.
GST EducationGST on Legal Services in India (Rate, SAC Code, RCM & Invoice 2026)
GST on legal services: 18% for law firms, RCM for individual advocates. SAC code 998211. Invoice example with ₹ breakdown, reverse charge rules, and free GST invoice generator.
GST EducationGST on Coaching Classes — 18% Rate, SAC 999293 (School Exempt)
Coaching classes: 18% GST (SAC 999293). CA coaching, NEET, IIT-JEE — taxable. School tuition fully exempt. Invoice example with ₹ figures + free GST tool for coaching centres.
GST EducationGST on Gym Membership — 18% Rate, SAC 999121 (Yoga Exempt?)
Gym memberships: 18% GST (SAC 999121). Annual, monthly, personal training — all taxable. Yoga centres — different rules. Invoice example + free GST tool for gym owners. No signup.
GST EducationGST on Salon Services — 18% Rate, SAC 999721 & Free Invoice Tool
Salon & beauty services: 18% GST (SAC 999721). Haircut, spa, bridal makeup, waxing — all taxable. Real ₹ invoice example + free GST invoice generator for salons. No signup.
GST EducationGST on YouTube Income in India — Do YouTubers Pay GST? (2026)
Do YouTubers pay GST in India? AdSense from Google (Ireland) is export of service — zero-rated. Brand deals and sponsorships from Indian companies attract 18% GST. Full guide with invoice example.
GST EducationGST on Content Writing Services in India (Rate, SAC Code & Invoice 2026)
GST on content writing is 18% (SAC 998392 or 998431). Freelance writers, agencies, copywriters — invoice example with ₹ breakdown, export rules, and free GST invoice generator.
GST EducationGST on Freelance Services in India — Complete Guide (2026)
GST on freelance services in India: 18% for domestic clients, 0% for foreign clients (export). Registration threshold ₹20L. Invoice example, SAC codes, ITC rules — complete freelancer GST guide.
GSTInvoices vs MyBillBook
GSTInvoices vs MyBillBook: pricing, GST compliance, features, and free plan limits compared for Indian businesses. Which invoicing tool is the better choice in 2026?
ComparisonZoho Invoice vs GSTInvoice 2026 — Is Zoho Free? GST Support Compared
Zoho Invoice is free but has no built-in GST calculator or CGST/SGST split. GSTInvoice generates GST-compliant invoices in 30 seconds — free, no login. Full comparison with pricing.
ComparisonBest Free GST Invoice Generators in India 2026 (Compared)
Honest comparison of the best free GST invoice generators in India 2026 — GSTInvoices, ClearTax, Zoho, Refrens, and more. No login vs signup-required.
ComparisonBest Free Alternatives to Zoho Invoice in India (2026)
Looking for free Zoho Invoice alternatives? Compare 7 GST-compliant invoicing tools for Indian businesses. Features, pricing, GST support — find the best free option in 2026.
Common GST Invoice Mistakes (And How to Avoid Them)
Common GST invoice errors — wrong GSTIN, incorrect HSN codes, missing mandatory fields — with practical fixes and a prevention checklist for Indian businesses.
Problem-BasedGST Invoice Format Mistakes to Avoid
Top GST invoice format mistakes — incorrect invoice numbers, missing place of supply, wrong tax type — and exactly how to fix each one before sending.
Problem-BasedPenalty for Wrong GST Invoice 2026: Section 122 Fines, ITC Risk & How to Stay Compliant
Penalty for wrong GST invoice in India: Section 122 imposes ₹10,000 or 100% of tax evaded — whichever is higher. See all invoice mistakes that trigger fines, ITC reversal, and notices, plus a compliance checklist.
Ready to create your GST invoice?
Free, no login needed. Auto-calculates CGST, SGST, and IGST.