Toolzap

🖼️ Image Tools

Drag & drop an image or click to upload

Resize

Enhance

Crop

Resize Mode:

Width: Height:

Brightness 0

Contrast 0

Saturation 0

Vibrance 0

Warmth 0

Sharpness 0

Blacks 0

Highlights 0

🧑‍💻 Developer Tools

QR Generator

Color Picker

Lorem Ipsum

Regex Tester

Enter text or URL:

Pick a color:

Number of paragraphs:

Regex Pattern: Test Text:

🔐 Security & Encoding Tools

Hash Generator

Password Gen

Base64

JWT Decoder

Enter text to hash:

Password Length: 16

Uppercase Lowercase Digits Special Chars

Encode Decode

Enter JWT Token:

✅ Productivity Tools

To-Do List

Calendar

Habit Tracker

QR/Barcode

📝 To-Do List & Notes

📅 Calendar Reminders

Event Title: Date & Time: Reminder:

🎯 Habit Tracker

Habit Name: Goal:

📱 QR Code Generator

Enter Text or URL:

📊 Barcode Generator

Barcode Type: Enter Value:

🔧 Text Utilities

Case Converter

Word Counter

Text Diff

UPPERCASE

lowercase

Title Case

Sentence case

0 Words

0 Characters

0 Chars (no spaces)

0 Lines

Original Text:

Modified Text:

🧮 Utility Calculators

BMI Calculator

Age Calculator

Loan/EMI

Currency

Unit Converter

Discount

💪 BMI Calculator

Height:

cm

Weight:

kg

🎂 Age Calculator

Date of Birth:

💰 Loan/EMI Calculator

Loan Amount: Interest Rate (% per year): Loan Term (years):

💱 Currency Converter

Amount: From: To:

📏 Unit Converter

Category: Value: From: To:

🏷️ Discount Calculator

Original Price: Discount (%):

⏰ Time & Date Tools

Timestamp

Date Calculator

Current Timestamp

Convert Timestamp

Start Date:

End Date:

💻 Code Formatter & Viewer

Language:

📄 PDF Tools

📁 Select PDF File

PDF Info

Preview Pages

Extract Text

Resize PDF

Merge PDFs

Split PDF

Convert Format

🔄 Convert Format

Convert From:

Convert To:

File to Convert:

Select a file in the "Convert From" format

📏 Resize PDF

Resize Mode:

Scale (%): Scales the PDF pages. 100% = original size, 50% = half size, etc.

📑 PDF Merge Options

Merge multiple PDF files
Include current PDF with additional files

Select multiple PDF files to merge them into one document

🎵 Audio/Video Tools

Audio Tools

Video Tools

🎵 MP3 Cutter/Merger

Upload Audio File:

Start Time: End Time:

Merge Audio Files

🔄 Audio Converter

Upload Audio File: Convert To:

🎥 Video to MP3

Upload Video File:

📹 Video Compressor

Upload Video File: Quality:

📝 Subtitles Generator

Upload Video File: Language:

📦 ZIP Tools

Compress

Extract

Create ZIP Archive

Add Files:

Output File Name:

Compression Level:

Encryption Options:

No Encryption AES-128 AES-256 (Strongest)

Selected Files:

Extract ZIP Archive

Select ZIP File:

Output Folder Name:

Encryption Type:

ZIP Repair Options:

Attempt to repair corrupted files Ignore CRC errors Recover damaged headers

ZIP Contents:

ℹ️ About Developer Toolbox

🧰 Developer Toolbox - Web Edition

A comprehensive collection of developer utilities converted to a modern web application.

Features:

🏞️ Image Tools - Resize, enhance, and crop images
💻 Code Tools - Format and minify code
🧑‍💻 Developer Tools - QR codes, color picker, Lorem Ipsum, regex tester
🔐 Security Tools - Hash generation, password generation, Base64, JWT decoder
🔧 Text Utilities - Case conversion, word counter, text diff
⏰ Time & Date Tools - Timestamp conversion, date calculations

Technology Stack:

Pure HTML, CSS, and JavaScript - No frameworks required!

👨‍💻 Created by devchauhann

⭐ Star on GitHub

Your all-in-one developer toolbox