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Character counters, unit converters, loan calculators and more — free tools in one place.
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Character Counter
Live chars, words & bytes
Percent Calculator
Ratios, change & discounts
Image Compressor
Shrink files, keep quality
Korean Salary Net-Pay
Take-home estimate
QR Code Generator
URL, text & Wi-Fi QR
JSON Formatter
Pretty-print & validate
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All tools 125
Text 22
Character Counter
Live chars, words & bytes
Case Converter
UPPER, lower, camelCase + 6 more
Text Diff Checker
Highlight every difference
Whitespace Cleaner
Fix spaces & line breaks
Line Sorter
A–Z, by length, shuffle
Duplicate Line Remover
Dedupe with counts
Add Line Numbers
1. / 01 / bullet styles
Text Reverser
Reverse by char, line, word
Emoji Remover
Strip emoji, keep text
Full-width Converter
ＡＢＣ to ABC
Markdown Preview
Live rendered output
Reading Time
Estimate reading duration
Email & URL Extractor
Pull contacts from text
Slug Generator
Title to URL slug
Text Repeater
Repeat with separators
Zero Padding
Pad to a fixed width
Character Frequency
Top characters used
Initial Consonant Extractor
Break Korean text into ㄱㄴㄷ
Find & Replace
Plain or regex, with counts
Line Filter
Keep or drop matching lines
Prefix & Suffix
Decorate every line
Special Characters
Copy symbols and arrows
Calculators 23
Percent Calculator
Ratios, change & discounts
Loan Calculator
Payments & schedules
Korean Salary Net-Pay
Take-home estimate
D-day and Anniversary
Countdown, anniversaries, age
Exchange Rate Calculator
Save bank rates, convert both ways
VAT Calculator
Split a total into net price and tax
3.3% Deduction Calculator
Freelancer take-home and gross-up
Deposit and Savings Calculator
Simple and compound interest
Compound Interest Simulator
Year-by-year growth
Jeonse-to-Monthly Rent Ratio
Deposit and rent to annual yield
Rest-day and Night Pay
From hourly rate to weekly pay
Annual Leave Calculator
Start date to accrued days
Military Discharge Date
Enlistment date to discharge
Bill Split Calculator
Split and round up
Stacked Discount Calculator
20% + 10% = ?
Body Fat Estimator
From BMI and age
Daily Water Intake
Weight × 30 mL
Sleep Cycle Calculator
Best times to sleep
Unit Price Comparison
Price per g or mL
Fuel and Running Cost Calculator
Distance, efficiency and price
Severance Pay Estimator
Rough estimate from tenure and pay
Savings Goal Planner
Target to monthly saving
Add or Subtract Dates
Base date ± days/months/years
Image & PDF 21
Image Compressor
Shrink files, keep quality
Image Converter
JPG, PNG, WebP
Image Resizer
Exact pixels or ratio lock
Merge PDF
Combine files in order
Split PDF
Extract page ranges
Image to PDF
Photos into one PDF
ID Photo Maker
Passport and visa sizes
Flip & Rotate Image
Rotate 90°, mirror
Photo Filters
Grayscale, sepia, vivid
Watermark Image
Text, position, opacity
Crop Image
1:1, 4:3, 16:9
Favicon Maker
16, 32 and 180 px set
Image Color Picker
Click to pick HEX
Stamp Maker
Round and square specimens
Rotate PDF
Fix page orientation
Delete PDF Pages
Remove unwanted pages
PDF to Image
Pages as PNG or JPG
Compress PDF
Make the file smaller
Photo Mosaic & Blur
Hide faces, plates
Photo Color Adjust
Brightness, contrast, hue
Signature Maker
Draw, save as PNG
Units & Formats 16
Unit Converter
Length, weight, area & more
Coordinate Converter
Decimal to DMS + distance
QR Code Generator
URL, text & Wi-Fi QR
Color Converter
HEX ↔ RGB ↔ HSL preview
Timestamp Converter
Unix time ↔ date
Base Converter
Binary, octal, decimal, hex
Morse Code Translator
Text ↔ morse + sound
Korean Number Reader
12345678 to one-two-three…
Date Format Converter
YYYYMMDD to ISO
Data Size Converter
B, KB, MB, GB, TB
Time Unit Converter
Seconds to weeks
Shoe Size Converter
US, EU, UK, JP
Speed Converter
km/h, m/s, mph, knots
Volume Converter
L, mL, gallons, cups
Romanization Converter
Korean to Revised Romanization
Merge Excel Files
Many files, one sheet
Life & Dates 17
BMI Calculator
Index & healthy range
Timer & Stopwatch
Countdown, laps & alerts
Lotto Number Generator
5 sets, exclude or fix
Dice & Random Picker
Roll, shuffle, pick
100-Day & Anniversary Calculator
100th day, 1st year
Age, Zodiac and Zodiac Sign
Everything from one birth date
Online Metronome
30-240 BPM with beats
Printable Calendar
Month view, print-ready
What to Eat Roulette
Add options, spin
Pomodoro Timer
25 min focus, 5 min break
Wedding Cash Gift Guide
Rounded amounts by relationship
Pet Age Calculator
Dog and cat years
CSAT Countdown
This year's exam date, automatic
Payday Countdown
Any day of the month
World Clock
Seoul, New York, London
Text to Speech
Read text aloud
Lunar Calendar Converter
Korean lunar ↔ solar
Data Formats 10
JSON Formatter
Pretty-print & validate
Markdown Table
Build tables from rows
JSON ↔ YAML
Convert both directions
JSON to TypeScript
Interfaces from JSON
JSON ↔ CSV
Arrays to spreadsheets
JSON Transform
Flatten, dedupe nulls, escape
HTML Formatter
Indent or minify
XML Formatter
Indent and check tags
Bulk File Renamer
Find, prefix, number
Split & Join Files
Chunk and reassemble
Encoding & Security 9
Base64 Encoder
Encode, decode & URL-safe
URL Encoder
Encode, decode & split queries
Password Generator
Length, symbols & options
JWT Decoder
Read header and payload
Hash Generator
SHA-1, 256, 384, 512
UUID Generator
v4, up to 100 at once
HTML Escape
Encode & decode entities
Password Strength
Rate from weak to bulletproof
Character Code
Unicode and UTF-8 bytes
Developer Tools 7
Regex Tester
Highlight matches live
Cron Parser
Explain a cron schedule
Lorem Ipsum Generator
Dummy text by paragraph
Device Info
OS, browser, screen
Key Code Checker
key, code and keyCode
Contrast Checker
WCAG AA and AAA
CSS Minifier
Minify or beautify
Recently used
Why Dalgom Tools?
Files and inputs never leave your device. PDF and image tools run in your browser, so sensitive documents stay safe. Every tool has its own URL, description, and FAQ so search can find it.