Kito tools

Combine scanned photos into one submission-ready PDF.Two JPEG scans → One PDF with two pages in th

Combine several PDF documents in a chosen order.A two-page PDF followed → One three-page PDF in that f

Save selected pages from a longer PDF.Pages 1,3-4 → A new PDF containing those t

Fix sideways pages in a PDF.Page 2; clockwise 90° → Page 2 rotated by 90°

Arrange every page of a PDF in a new order.Original pages 1,2,3; ne → The output starts with origi

Check page count, dimensions and rotation.A three-page PDF → Page count, size and rotatio

Read text and tables from an HWPX document locally.A sample HWPX with text → 1 2

Save PDF pages as PNG or JPGreport.pdf · pages 1-3 → report-pages.zip · three PNG

Number every page of a PDFreport.pdf · 12 pages → report-numbered.pdf

Lay text such as Confidential across a PDFcontract.pdf + "CONFIDEN → contract-watermark.pdf

Pull just the text out of a PDFminutes.pdf · 3 pages → minutes.txt · 2,140 characte

Change or remove the title and author stored in a PDFreport.pdf · author "Jan → report-clean.pdf · no author

Split a PDF into several filesreport.pdf · 12 pages · → report-split.zip · three PDF

Reduce an image file size by choosing a lossy quality.JPEG at quality 0.7 → A new JPEG with reported out

Change pixel dimensions with an optional aspect-ratio lock.1200 × 800 to width 600 → 300×200px PNG

Convert PNG, JPEG and WebP in your browser.Transparent PNG to JPEG → JPEG with a white background

Crop the middle of a picture to a chosen size.Landscape image to 400 × → A square crop from the image

Turn a sideways photo uprightsideways.jpg → An upright photo

Make a photo greyscale or brighterA colour photo → A greyscale photo

Join several photos into oneThree screenshots → One tall image

Hide a face or a number in a photoA photo showing a number → The plate covered

Find the colour codes in a photoA logo → #1e90ff · rgb(30, 144, 255)

Make a set of site iconslogo.png (1024 px) → favicons.zip · seven icons

Write a caption on a photoA photo + "Monday mornin → The photo with a caption

Take photos with film looks and lens effectsCamera + warm film → A JPG with a film look

Cut the subject out of a photoproduct.jpg → A PNG with a transparent bac

Crop, light and look on one screentrip.jpg → Cropped to 1:1 with a warm l

Change the format of many photos at onceTwelve PNGs → converted-jpg.zip · twelve J

Check text length, word count and UTF-8 storage size.Hello 한글 → 8 characters; UTF-8 counts K

Change English capitalization without changing Korean text.Hello world → monthly report

Keep a single copy of repeated list entries.apple / pear / apple → apple / pear

Order names or lists alphabetically.pear / apple → apple / pear

Remove excessive spacing from pasted text. Hello world → Hello world

Replace every occurrence of a phrase.cat → dog → All matching cat strings bec

See added and removed lines between versions.Old: apple; New: pear → Removed apple; added pear

Number a text list from a chosen starting point.apple / pear; start 1 → 1. apple / 2. pear

Make a readable identifier for a URL path.Hello World → hello-world

Randomize the order of a list.A / B / C → A random permutation, such a

Reverse text or repeat itabc 123 → 321 cba

Extract Hangul initials or split into jamo키토 도구 → ㅋㅌ ㄷㄱ

Write Korean in Latin letters한강 공원 → hangang gongwon

Join broken lines into paragraphsA line → A line was broken.

Turn lines into a comma list and backapple → apple, pear, plum

See how Markdown will look# Title · **bold** → <h1>Title</h1> · <strong>bol

Find a share and the change between two values.A 80 · B 100 → B/A = 120%; increase = 20%

Calculate a discounted price including shipping.KRW 50,000; 20% off; KRW → Final price KRW 43,000

Divide a bill fairly using whole currency units.KRW 10,000; 3 people → One pays KRW 3,334; two pay

Estimate savings with monthly compounding and deposits.KRW 1,000,000; 12%; 1 ye → Monthly-compounded estimate

Estimate equal monthly principal-and-interest payments.KRW 12,000,000; 5%; 12 m → Monthly payment plus interes

Convert metric and imperial distances.2.5 m → cm → 250 cm

Convert metric and imperial masses.500 g → kg → 0.5 kg

Convert Celsius, Fahrenheit and Kelvin.100 °C → °F → 212 F

Find a ratio and resize dimensions proportionally.1920 × 1080; target widt → 3:2 · 600×400px

Total and average a list of numbers80, 92, 75, 88 → Mean 83.75 · sum 335

Convert pyeong, square metres and more84 ㎡ → 25.41 pyeong

Convert litres, cups and spoons2 cups → 400 mL

Convert km/h, m/s, mph and knots12 km/h → 3.3333 m/s · 5:00 per km

Convert MB, GB and other sizes1.5 GB (base 1024) → 1,536 MB

Body mass index from height and weight170cm · 65kg → BMI 22.5 · normal

Add or remove VAT110,000 KRW including VA → Net 100,000 · VAT 10,000

Convert hourly pay to monthly and yearly10,320 KRW an hour · 40 → About 2,152,000 KRW a month

Work out an exchange at a rate you enter100 USD at 1,380 → 138,000 KRW

Divide an amount in a ratio such as 3:2100,000 · 3:2 → 60,000 : 40,000

Find which of two packs costs less per amountA 3,900 for 500 g · B 6, → B · 11.5% cheaper

Add, subtract, multiply and divide12 × 3 + 4 = → 40

Set an alarm for a presentation, cooking or a short break.3 minutes 30 seconds → 03:30 → 00:00

Alternate focused work and short breaks.Focus 20 min, rest 4 min → Focus 1/3 → Rest 1/3 → Focus

Measure elapsed time and record individual laps.Laps at 8 and 19 seconds → Lap 1: 8 seconds; lap 2: 11

Repeat exercise and recovery periods.Exercise 40 seconds; res → Exercise 1/6 → Rest 1/6

Find how many days remain before an event.2026-10-13 → 2026-10-20 → D-14

Count calendar days between two dates.2026-10-13 → 2026-10-20 → 7 days; 8 days when includin

Age and zodiac animal from a birthday2000-05-20 (as of 2026-1 → Age 26 · Dragon

Add hours and minutes to a time22:30 + 3 h 45 min → 02:15 (1 day later)

Find the date some days from a start2026-10-13 + 100 days → 2027-01-21 Thursday

Hours worked from start and end times09:00–18:30 with a 60-mi → 8 h 30 min (8.5 hours)

See the time in other citiesSeoul 14:00 → New York 01:00 · London 06:0

Ring at a set time07:30 → Rings in 8:12:40

Check weekdays and week numbers2026-12-25 → Friday · week 52 · D-73

Keep a steady beat100 BPM · 4 beats → One beat every 0.6 s

Breathe slowly along with a circle4-7-8 → In 4 · hold 7 · out 8

Create a random password locally.Length 20 → 20 random characters

Make a QR code for a URL or short text.https://example.org/menu → A scannable QR PNG

Pick an integer inside an inclusive range.1 to 100 → A cryptographically random i

Pick winners from a list without selecting anyone twice.Ada / Ben / Cara; choose → Two distinct selected entrie

Generate independent heads-or-tails results.3 flips → For example: heads, tails, h

Generate independent rolls for dice with a chosen number of sides.2 six-sided dice → For example: 3 and 5; total

Follow actual embedding similarities to solve today’s word.Narrow the meaning step → The real model score and the

Thirty-six quick games for a short wait, including reaction time, pairs, Minesweeper, Snake, Sudoku, falling blocks, a maze and Reversi. Nothing to install.5 reaction rounds · 12 c → Fastest 231 ms · average 268

Split names into random teams6 people · 2 teams → 1: A, D, E / 2: B, C, F

Spin a wheel to pick onePizza · noodles · salad → Noodles

Pick yes or no at randomGo for a run today? → Yes

Draw lots with a ladderAva, Ben, Cleo, Dan → Cleo → buys coffee

Make a throwaway checklistPassport, charger, umbre → ☑ Passport ☐ Charger ☐ Umbre

Read JSON with indentation and find syntax errors.{"name":"Ada","age":30} → Indented JSON with name and

Remove optional whitespace from JSON.{ "a": 1 } → {"a":1}

Turn JSON records into a spreadsheet-friendly table.[{"name":"Ada","age":30} → name,age followed by Ada,30

Read comma-separated data as JSON records.name,age followed by Ada → [{"name":"Ada","age":"30"}]

Encode Korean, emoji and other Unicode text as Base64.한글 → 7ZWc6riA

Encode a query value or restore percent-encoded text.한글 → %EC%84%9C%EC%9A%B8%20%EC%97%

Escape markup characters or restore HTML entities as text.<p> → &lt;p&gt;

Compute the SHA-256 digest of UTF-8 text.hello → 2cf24dba5fb0a30e26e83b2ac5b9

Create random identifiers for records or fixtures.Quantity 2 → Two random RFC-compatible UU

Unix time to a date and back1760000000 → 2025-10-09 08:53:20 (UTC)

Convert binary, octal, decimal and hex255 (decimal) → FF (hex)

Convert HEX, RGB and HSL colours#1e90ff → rgb(30, 144, 255) · hsl(210,

Read what is inside a JWTeyJhbGciOiJIUzI1NiJ9.eyJ → { "alg": "HS256" } · { "sub"

See where a regular expression matches\d{3}-\d{4} · call 010-1 → 1. "1234-5678" @7

See when a cron expression runs*/15 9-18 * * 1-5 → Every 15 minutes, 9–18, Mond