Welcome to OneKit
Unlock high-quality premium utility tools for everyone, 100% free forever. All operations run locally inside your browser, ensuring absolute privacy and instant performance.
Browser Safe
100% offline & local processing
Local Execution
Fast client-side operations
Bangla Tools
4 ActiveBijoy / Unicode Converter
Convert legacy Bijoy ANSI text (SutonnyMJ) to modern Unicode or vice versa.
Number to Bangla Text
Convert English or Bengali numbers (e.g., 1234567) to their pure spoken Bangla words.
Bangla Calendar Converter
Convert dates between Gregorian (Christian) and Bengali calendars with leap year support.
Bangla Spelling Checker
Check and correct spelling mistakes in Bangla texts or uploaded documents (.txt, .docx) using a local dictionary.
PDF & Document Tools
9 ActiveMerge PDF
Combine PDFs in the order you want with the easiest PDF merger available.
Split PDF
Separate one page or a whole set for easy conversion into independent PDF files.
Compress PDF
Reduce file size while optimizing for maximal PDF quality.
PDF to Image
Convert PDF pages to PNG or JPG images with quality and size settings.
Image to PDF
Convert JPG images to PDF in seconds. Easily adjust orientation and margins.
Watermark
Stamp an image or text over your PDF in seconds. Choose the typography, transparency and position.
Rotate PDF
Rotate your PDFs the way you need them. You can even rotate multiple PDFs at once!
Organize PDF
Sort, add and delete PDF pages of a document at your convenience.
Markdown Scratchpad & PDF
Draft rich notes in Markdown format, render live previews, and compile high-quality PDF files client-side.
Image Tools
7 ActiveBackground Remover
Remove or replace image backgrounds client-side using AI models.
WebP Converter
Convert WebP images to JPG or PNG format, with custom dimensions support.
Image Compressor
Compress images without losing quality.
Crop Image
Crop images client-side with aspect-ratio presets, custom bounding boxes, and zoom.
Image Resizer
Resize local images by custom dimensions or percentages with format conversions.
Image Metadata Viewer
Inspect file properties, resolution, camera settings, and GPS coordinates locally.
Social Screenshot Beautifier
Turn screenshots and code into beautiful framed mockups with custom gradients, browser frames, and social presets.
Utility Tools
7 ActiveQR Code Suite
Design highly customized QR codes and scan/decode existing codes from camera or file uploads.
Barcode Scanner
Scan and decode 1D/2D barcodes using camera feeds or local image file uploads.
Age Calculator
Calculate your exact age, next birthday countdown, and birthdate in Bengali and Hijri calendars.
2FA Authenticator
Generate Time-based One-Time Password (TOTP) codes from your 2FA secrets. Supports bulk keys, QR code scanning, and instant click-to-copy.
Strong Password Generator
Create highly secure, customizable random passwords with live strength metrics.
Passphrase Generator
Generate memorable, ultra-secure multi-word passphrases with fun presets for kids and strong security for adults.
Password Strength Checker
Test password entropy, dynamic character checklists, and brute force crack times.
Developer Tools
3 ActiveColor Picker & Palette
Interactive HTML color picker and harmonious palette generator with spacebar randomizer.
JSON Formatter & Validator
Format, minify, validate, and troubleshoot raw JSON files client-side with syntax parsing diagnostics.
Visual Text & Code Diff Checker
Compare two text files or code snippets side-by-side or unified with character and word level diff highlights.
How it Works
Getting things done with OneKit takes three simple client-side steps.
Choose a Tool
Select from our range of active client-side utilities.
Upload & Configure
Provide files or input details securely. All data is parsed locally.
Process & Download
Get results instantly and download files directly from your browser.
Why Choose OneKit?
OneKit is designed with enterprise-grade privacy and speed in mind, making it the perfect toolbox for modern clients.
100% Secure & Private
Your files never leave your device. All processing is done locally in your browser.
Zero Latency Processing
No waiting for uploads or server response. Tools execute in real-time.
Offline Capability
Load the page once, then use all active tools without an internet connection.