NexioByte Tools — Free Online Tools for India: GST Invoice, Rent Receipt, PDF & More
Made for India

Free tools that handle the boring paperwork for you

GST invoices, rent receipts, HRA calculations, PDF conversions and more — built for how Indians actually work. Everything runs in your browser. No signup, no data uploaded.

15TOOLS LIVE NOW
0SIGNUPS REQUIRED
20TOOLS PLANNED
Available now

Tools you can use right now

Click any card to open the tool. Everything below is live and working today.

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Google Play Redeem Code
Buy genuine India-region Google Play codes from ₹15–₹250. UPI payment, delivered on WhatsApp.
Order now →
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Typing Speed Test
English, Hindi, Hinglish and a Government Exam simulator matched to SSC, UPSSSC and Court Typist benchmarks.
FreeOpen tool →
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Experience & Relieving Letter Generator
Create experience, relieving, or combined letters with role-based responsibilities and a verification QR code.
FreeOpen tool →
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GST Invoice Generator
Live-preview invoices with automatic CGST/SGST/IGST split. Download as PDF or share as an image.
FreeOpen tool →
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Rent Receipt Generator + HRA Calculator
Generate a full year of rent receipts, calculate your exact HRA exemption, or build a proof pack with no landlord signature.
FreeOpen tool →
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PDF & Image Toolkit
Nine tools in one place — convert, compress, merge and split PDFs and images, no file size games.
FreeOpen tool →
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EMI & Investment Calculator
Home, personal and car loan EMIs, plus SIP and FD calculators with a year-by-year breakdown.
FreeOpen tool →
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QR Code Generator
Generate QR codes for links, UPI payments, WhatsApp chat, WiFi and contact cards. Download as PNG or SVG.
FreeOpen tool →
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Age & Date Difference Calculator
Find your exact age in years, months and days, or calculate the gap between any two dates.
FreeOpen tool →
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Signature Maker
Draw, type or upload a signature — then place it directly on a PDF or image with drag-and-drop.
FreeOpen tool →
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Salary Slip / Payslip Generator
Monthly payslips with earnings, deductions and net pay breakdown.
FreeOpen tool →
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Marriage Biodata Maker
Traditional biodata formats, ready to share and print.
FreeOpen tool →
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Barcode & Product Label Maker
Generate standard barcodes and printable product labels.
FreeOpen tool →
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ID Photo & Signature Resizer
Resize photos and signatures to exact specs for Aadhaar, PAN, Passport, Voter ID and Driving Licence.
FreeOpen tool →
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Festival Poster Maker
Design and share festival greeting posters in minutes.
FreeOpen tool →
In the pipeline

Coming soon

Tools we're actively building next. Each one turns into a working link the day it launches.

Documents & Business
📋
Fresher Resume Builder
Clean resume templates built for first-time job seekers.
Coming Soon
Photo & ID Tools
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Passport Size Photo Maker
Crop and format photos to exact passport specifications.
Coming Soon
🗳️
Voter ID / Aadhaar Photo Resizer
Resize photos to the exact dimensions these forms require.
Coming Soon
🖼️
Photo Background Remover
Remove or replace a photo's background in one click.
Coming Soon
💧
Watermark Adder
Add a text or logo watermark to any image.
Coming Soon
Audio Tools
🎙️
Voice Recorder + Trim Tool
Record audio in-browser and trim it down to the part you need.
Coming Soon
🔉
Audio Compressor
Shrink audio file size while keeping it listenable.
Coming Soon
🔔
Ringtone Maker
Cut any audio clip into a ready-to-use ringtone.
Coming Soon
⏩
Audio Speed Changer
Speed up or slow down audio without changing the pitch.
Coming Soon
📝
Voice-to-Text
Turn spoken audio into editable text.
Coming Soon
🔇
Silence Remover
Cut out dead air from recordings automatically.
Coming Soon
Calculators & Text
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Unit Converter
Convert length, weight, volume and more, instantly.
Coming Soon
🎓
UP Board Result % Calculator
Calculate your exact percentage from subject-wise marks.
Coming Soon
🔤
Word / Character Counter + SEO Checker
Count words and characters, check meta title/description length.
Coming Soon
🔊
Text-to-Speech Reader
Convert typed text to spoken audio in Hindi or English.
Coming Soon
Creative & Fun
🎨
Color Picker + Hex/RGB Converter
Pick a color and get its Hex, RGB and HSL values instantly.
Coming Soon
😂
Meme Generator
Add captions to any image and download it instantly.
Coming Soon
🪔
Rangoli Pattern Maker
Design rangoli patterns to share for any festival.
Coming Soon
🔗
WhatsApp / Instagram Bio Link Page
A single link page for all your social profiles.
Coming Soon
⏳
Countdown Timer / Event Page Generator
Create a shareable countdown page for any event.
Coming Soon
Why these tools

Built to actually be trusted

🔒

Nothing leaves your device

Every free tool here runs entirely in your browser. Files and data you enter are never uploaded or stored on a server.

🇮🇳

Built for Indian paperwork

GST slabs, HRA rules under Section 10(13A), government typing exam benchmarks — the details match how these documents actually get used in India.

📍

Run by a real business

Made by NexioByte Digital, a digital marketing agency based in Gorakhpur, Uttar Pradesh — not an anonymous tool farm.

Questions

Common questions

Are these tools actually free?

Yes — every tool on this page except the Google Play Redeem Code service is completely free, with no signup and no usage limits. The redeem code tool is a paid service and is clearly marked.

Is my data safe when I use these tools?

The document and calculator tools process everything locally in your browser — nothing you type or upload is sent to a server. The redeem code tool is different: since it's an order, your WhatsApp number and order details are shared with NexioByte Digital to fulfil it.

Do I need to create an account?

No. None of the tools require login or signup. You can use them directly and download or share your results immediately.

Who makes these tools?

NexioByte Digital, a digital marketing agency based in Gorakhpur, Uttar Pradesh, builds and maintains this set of free tools.

When will the coming soon tools be available?

These are actively being built. There's no fixed release date for each one, but this page is updated as soon as a tool goes live — the entry becomes a working link automatically.

About this page

Part of NexioByte Digital

NexioByte Tools is built and maintained by NexioByte Digital, a digital marketing agency based in Gorakhpur, Uttar Pradesh. This tools hub is a separate, ongoing project — new tools are actively being added, so if something you need isn't live yet, it's likely already on the way.