Guides & how-tos
Clear, practical guides — each linked to the free tool that does the job.
- How to Make a GST Invoice: Format, Rules and a Free Generator — Mandatory fields under CGST Rule 46, CGST/SGST vs IGST, HSN digits, invoice numbering and e-invoicing explained, with a worked example and free generator.
- Quotation vs Proforma Invoice vs Tax Invoice: Key Differences — Understand when to send a quotation, a proforma invoice or a GST tax invoice, what each must contain, and which one is legally binding for tax purposes.
- Compress Photo and Signature to 20 KB, 50 KB or 100 KB for Forms — Resize and compress your photo and signature to the exact KB and pixel limits for SSC, UPSC, banking and passport forms, step by step and without uploads.
- Passport Photo Size in India, Visa 2x2 and PAN Photo Guide — Indian passport photo size (35 x 45 mm), white background and face rules, US visa 2 x 2 inch, PAN card photo size, and how to print 8 copies on a 4 x 6 sheet.
- How EMI Is Calculated: Formula, Example and Prepayment Tips — The EMI formula explained with a worked example (Rs 10 lakh at 8.5% for 20 years = Rs 8,678), how amortisation works, and how prepayment cuts your interest.
- New vs Old Tax Regime: Slabs, Deductions and Which to Choose — FY 2025-26 new and old tax regime slabs, the Rs 12 lakh 87A rebate, key deductions, worked examples and a simple way to decide which regime saves more tax.
- HRA Exemption Calculation and Rent Receipts: A Complete Guide — Calculate HRA exemption with the least-of-three rule, see a worked example, and learn the rent receipt rules: landlord PAN above Rs 1 lakh and revenue stamps.
- SIP vs Lumpsum: How Returns Are Calculated and Which to Choose — How SIP returns are calculated, rupee-cost averaging, step-up SIPs and lumpsum investing compared, with worked numbers for Rs 10,000 a month at 12%.
- PPF vs Sukanya Samriddhi vs FD: Rates, Lock-in and Tax Compared — Compare PPF, Sukanya Samriddhi and bank FDs on interest rates, lock-in, deposit limits and tax (EEE vs taxable interest), with worked maturity values.
- How to Merge, Split and Compress PDFs Free Without Uploading — Merge, split, reorder and compress PDF files for free in your browser, with no uploads and no watermarks. Step-by-step guide plus tips for size limits.
- Resume Format for Freshers in India: Sections, ATS Tips, Samples — A practical fresher resume format for India: sections to include, ATS-friendly layout, action verbs, sample bullet points, the one-page rule and mistakes.
- Marriage Biodata Format: What to Include, Tips and Privacy — How to write a marriage biodata in India: personal, family, education and optional horoscope details, clean layout, and privacy tips for WhatsApp sharing.
- How to Make a Salary Slip: Components, PF, ESI and a Sample — Make a correct salary slip in India: Basic, HRA, allowances, PF at 12% of basic, ESI up to Rs 21,000 gross, professional tax and TDS, with sample slips.
- How to Create a UPI QR Code for Your Shop or Business — Create a UPI QR code for your shop: the UPI payment link format, static vs dynamic QR, printing tips, and how to protect yourself from fake QR fraud.
- Offer Letter vs Appointment Letter vs Experience Letter — What an offer letter, appointment letter and experience letter each are, what they must contain, sample clauses, and how they differ from a relieving letter.