Free Online Web Tools & Converters

Simple, fast, and secure utilities for developers and creators.

Calculators

Age Calculator

Calculate your exact age in years, months, and days.

Open Calculator

Loan Calculator

Estimate monthly payments and total interest for mortgages or loans.

Calculate Loan

Aspect Ratio Calculator

Calculate dimensions and aspect ratios (16:9, 4:3) instantly.

Check Ratio

Math Calculator

All-in-one tool for Percentage, Average, Area, and Ratios.

Solve Math

Image Tools

Image Compressor

Reduce image file size by up to 80% without quality loss.

Compress Image

Bulk Image Compressor

Compress unlimited images to a specific target size (KB/MB) or quality level. Works offline.

Bulk Compress

Bulk Watermark

Watermark an entire folder of images instantly. 100% Private & Free.

Start Stamping

Folder to Collage

Auto-arrange entire folders into Grids or Masonry collages instantly.

Create Collage

DSLR Blur Effect

Simulate depth of field. Blur background and enhance contrast.

Edit Photo

PFP Border Maker

Create circular profile pictures with colorful borders.

Create PFP

PDF Tools

PDF Merger

Combine multiple PDF files into one document securely and instantly.

Merge PDFs

PDF Splitter

Extract specific pages from a PDF document easily.

Split PDF

Image to PDF

Convert JPG/PNG images into a single PDF document.

Convert Now

Rotate PDF

Permanently rotate PDF pages left, right, or upside down.

Rotate Now

Social Media

YouTube Thumbnail

Extract and download HD thumbnails from any video.

Get Thumbnail

Instagram No Crop

Fit full photos on Instagram and WhatsApp without cropping.

Fit Photo

Instagram Grid Maker

Split images into 3x1, 3x2, or 3x3 grids for your profile.

Create Grid

Engagement Calculator

Analyze engagement for Instagram, TikTok, and YouTube.

Check Rate

Caption Generator

Get viral captions for Love, Travel, and Funny posts.

Get Caption

Viral Bio Generator

Get bio ideas for Boys, Girls, Sad, Love & Aesthetic profiles.

Get Bio

Text & Utility

Excel Filter by List

Extract rows from a Master File using a list of IDs. The fastest online VLOOKUP alternative.

Filter Data

Gemini Prompt Gen

Create expert-level AI prompts for better results.

Build Prompt

QR Code Generator

Create instant QR codes for URLs, text, and Wi-Fi.

Create QR

QR Code Reader

Scan QR codes with your camera or from an image.

Open Scanner

Word Counter

Count words, characters, and sentences instantly.

Count Words

Case Converter

Convert text to Upper, Lower, Title, or Sentence case.

Convert Text

Password Generator

Create secure, random passwords to protect accounts.

Generate Pass

Why use OmniFlowKit?

We provide a comprehensive collection of free online tools designed to simplify your daily tasks. Whether you need to merge PDF files, resize images for Instagram, or calculate your mortgage payments, our platform is:

100% Free: No subscriptions or hidden fees.
Privacy Focused: Files are processed securely.
No Installation: Works directly in your browser.

Optimized for Speed

Our tools are built for performance. We use client-side technology wherever possible to ensure your image compression and PDF conversions happen instantly.

Save time with our Productivity Tools including Word Counters, Case Converters, and Password Generators.