OmniDoc Converter
Convert common documents, web/data formats, spreadsheets and additional file types from one simple interface.
Open tool →Niva Tools directory
All free online tools in one place.
Browse the live Niva Tools collection by category. Each workspace is built for fast everyday tasks with clear descriptions, privacy notes and no account requirement.
Free to use
Browser-first
No account required
Organized by category
Documents
Convert and organize
Images
Crop and compress
Utilities
QR, text, invoices
Document and PDF tools
Work with documents, PDFs and file formats
Convert common files, handle PDF workflows and prepare documents for everyday use.
PDF Toolkit
Merge PDFs, split or extract pages, rotate documents and create PDF files from images in your browser.
Open tool →Image and creative tools
Prepare images, formats and GIFs
Crop, compress, convert and create visuals for websites, social media, email and sharing.
CropNiva
Crop images for Instagram, YouTube, TikTok, LinkedIn, Pinterest, profile pictures and custom sizes.
Open tool →Image Compressor
Reduce JPG, PNG, WebP and BMP image size with quality and resize controls for web, email and sharing.
Open tool →Image Converter
Convert PNG, JPG, WebP, BMP and static GIF images to practical web formats directly in your browser.
Open tool →GifCraft Studio
Create animated GIFs from static images with frame timing, ordering, resizing and browser-based export.
Open tool →Productivity tools
Quick utilities for everyday workflows
Create QR codes, clean text and generate simple invoices without installing extra software.
QR Code Generator
Create QR codes for URLs, text, Wi‑Fi, WhatsApp, email, phone numbers, events and business cards.
Open tool →Text Tools Suite
Count words, change case, remove duplicate lines, generate slugs and clean text in your browser.
Open tool →Invoice Generator
Create simple downloadable PDF invoices with line items, tax, discounts and browser-first processing.
Open tool →Built to scale
A cleaner structure for future categories.
This directory keeps the home page lighter while giving every tool a clear place in the site architecture. New categories such as Word tools can be added later without overloading the main page.
Clear categories
Better internal linking
SEO-friendly structure
Ready for future tools
FAQ
Tools directory questions
Are all tools free?
Yes. The current Niva Tools collection is free to use and does not require an account.
Do the tools work on mobile?
The tools are designed to be responsive. Some file-heavy tasks may be easier on desktop, especially when working with many files.
Will more tools be added?
Yes. Niva Tools is designed to grow carefully by category, with each new tool receiving its own clear page and workflow.
Choose a tool and start working.
Use the categorized directory to find document, image, QR, text and invoice tools faster.
Tools plus practical guides
More than a list of utilities
Each Niva Tools utility is supported by explanations, privacy notes, workflow tips and related tools. The goal is to help users understand which tool to choose, what output to expect and how to review results before downloading or sharing files.
For broader tutorials, visit the Guides section. It includes practical articles about image compression, reliable QR codes, image conversion, PDF workflows, text cleanup and simple invoice creation.