Free Online Tools by NNC Flow

Twenty free online tools that run entirely in your browser — writing helpers, generators, image tools, calculators and SEO utilities. No sign-up, no uploads, no waiting.

Word Counter

Count words, characters, sentences and paragraphs instantly.

Password Generator

Generate strong random passwords with custom length and symbols.

QR Code Generator

Create QR codes for links and text, download as PNG.

JSON Formatter

Format, validate and minify JSON in one click.

Base64 Encode and Decode

Encode and decode Base64 text instantly.

Color Palette Generator

Generate harmonious color palettes for design projects.

Image Compressor

Compress images in your browser without uploading them.

Image Resizer

Resize images to exact dimensions, right in your browser.

Image Converter

Convert images between JPG, PNG and WebP locally.

YouTube Thumbnail Downloader

Download YouTube video thumbnails in full quality.

Case Converter

Convert text between upper, lower, title and sentence case.

Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text of any length.

Age Calculator

Calculate exact age from date of birth.

BMI Calculator

Calculate Body Mass Index from height and weight.

Percentage Calculator

Calculate percentages, increases and decreases easily.

Unit Converter

Convert length, weight, temperature and more units.

Meta Tag Generator

Generate SEO meta tags and Open Graph tags for any page.

Robots.txt Generator

Build a robots.txt file for your website in seconds.

Sitemap Generator

Generate an XML sitemap from a list of URLs.

Favicon Generator

Create a favicon from text or an image, download as ICO/PNG.

What free tools does NNC Flow offer?

NNC Flow offers 20 free online tools: writing tools like a word counter and case converter, generators for passwords, QR codes and favicons, image tools for compressing, resizing and converting pictures, calculators for age, BMI, percentages and units, plus SEO tools including a meta tag generator, robots.txt generator and sitemap generator.

Do these tools upload my files or data to a server?

No. Every tool on this page runs entirely in your browser. Image tools process your pictures locally on your device using built-in browser features, and text tools never send your input anywhere. Your files and data stay private on your own device at all times.

Are these tools really free to use?

Yes, all 20 tools are completely free with no sign-up, no account and no usage limits. Open any tool, use it as often as you like, and download or copy your results instantly without paying anything. There are no hidden charges or premium tiers, and no watermarks on your downloads.