Built for developers and Indian freelancers. No account needed.
All processing runs in your browser. Your invoice data, JSON, and tokens are never uploaded to any server.
Open a tool and use it immediately. No account, no email, no credit card — ever for the core features.
GST-compliant invoices with CGST/SGST/IGST, Indian number formatting, ₹ currency, and UPI-ready bank details.
Zoho Books costs ₹749/month. Vyapar is desktop-only. Our free GST invoice generator lets you create professional invoices with correct CGST + SGST (intrastate) or IGST (interstate) calculations, bank details, and amount in words — downloadable as PDF in 60 seconds, with zero signup.
Every tool on Devora runs entirely in your browser. That means you can safely paste JWT tokens, API keys, sensitive JSON payloads, and invoice data without worrying about it being logged or stored by a third-party server.
Practical guides for Indian freelancers and developers
Without hiring a CA — the fields, the tax types, and the common mistakes that get invoices sent back.
My colleague Priya lost ₹18,000/year for 3 years by not checking. Here's the calculation that matters.
Month 18 of my loan, only ₹8,000 of my ₹28,400 EMI had gone toward what I owed. The rest was interest.
When you actually need it, when you don't, and what happens with foreign clients.
Devora is a free, browser-based tools platform built for Indian developers, freelancers, and small businesses. Every tool runs entirely in your browser — your data never leaves your device. No login required, no credit card, no subscriptions.
Create GST-compliant invoices with automatic CGST + SGST (intrastate) or IGST (interstate) calculation. Download as PDF instantly. Choose from 4 professional templates. No watermark, no login. Perfect for Indian freelancers, consultants, designers and small businesses.
Convert your CTC to exact monthly take-home salary. Covers PF, Professional Tax, HRA exemption, 80C, 80D and NPS deductions. Compare old regime vs new regime (FY 2025-26 Budget 2025 slabs). Includes Section 87A rebate calculation.
Calculate monthly EMI for home loans, car loans, personal loans and education loans. Full month-by-month amortization schedule, year-wise payment summary, and EMI comparison at different interest rates. Preset rates for SBI, HDFC and major Indian banks.
Generate QR codes for URLs, UPI payments (Google Pay, PhonePe, Paytm), WiFi credentials, vCard contact cards, plain text, email, phone and SMS. Custom colors, error correction levels, download as PNG or SVG. No watermark, unlimited, free.
Format, validate and beautify JSON instantly. Pretty print with indentation, minify for production, sort keys alphabetically, and get exact error locations with line numbers. 100% browser-based — safe for sensitive API payloads and config files.
Decode JWT tokens to inspect header, payload and signature. Check token expiry, view all claims, verify HMAC signatures with a secret key. Supports HS256, RS256 and all standard JWT algorithms. Tokens never leave your browser.
Most developer tools either require a login, show ads, add watermarks on output, or charge a monthly subscription. Devora is different — every tool is free, runs entirely in your browser (so your data stays private), and has no watermarks or signup walls. Built specifically for the Indian market with INR formatting, GST compliance, Indian salary structures, and UPI payment support. We also offer the most comprehensive free GST invoice generator in India — no software installation required, no monthly fee, and a full PDF download with CGST/SGST/IGST calculations, bank details, and amount in words.