All Tools

Color Converter

Pick, convert, and copy colors between HEX, RGB, HSL, and HSB formats. Includes color picker, random colors, contrast checker, and history.

Utilities21

Password Generator

Generate strong random passwords and memorable passphrases. Fully offline, private, and configurable.

Utilities26

📨

Oper

Send files and text between devices. Direct P2P transfer with QR pairing — no upload, no signup, no compression.

Utilities123

🔁

Subscription Tracker

Track recurring subscriptions, see monthly and yearly totals, and get upcoming-due reminders. Multi-currency, offline, no signup.

Finance & Business162

🧾

Split Bill

Split a bill fairly with friends. Add items, assign shares, distribute tax and tip, export the result as a shareable image. No signup, works offline.

Utilities117

🚆

LRT Jabodebek Schedule

LRT Jabodebek schedule for 18 stations across Cibubur & Bekasi lines. Live countdown, weekday/weekend auto-switch, works offline.

Transport329

🚊

LRT Jakarta Schedule

LRT Jakarta schedule, Velodrome to Pegangsaan Dua. Live countdown, pick direction, save favorites. Updated daily, works offline.

Transport100

⚖️

BMI & Calorie Calculator

Calculate your BMI, ideal weight, and daily calorie needs. Works offline and private.

Health & Fitness93

📷

QR Generator

Generate custom QR codes for URLs, contacts, texts, and emails. Offline and private.

Utilities144

MRT Jakarta Schedule

MRT Jakarta schedule for all 13 stations, Lebak Bulus to Bundaran HI. Live countdown, weekday & weekend timetables, updated daily.

Transport792

KRL Schedule

KRL Commuter Line schedule for Jabodetabek, Merak, Yogyakarta, plus Walahar (Purwakarta–Cikarang). Live countdown, 123 stations, refreshed every hour.

Transport2k

Member Wallet

Store all your loyalty and member cards digitally. Show barcode to cashier instantly.

Utilities128

QRIS Tool

Decode QRIS data and convert static QRIS to dynamic with custom amount.

Finance & Business174

Quran

Read the Quran with Arabic text, Indonesian and English translations. Bookmark ayahs, clean reading mode.

Faith & Spirituality112

🧾

Invoice Generator

Create invoices, quotations, and receipts in any currency. Print to PDF.

Finance & Business96

Qibla Finder

Find the direction of the Kaaba from anywhere in the world. Works offline.

Faith & Spirituality157

CV ATS Generator

Build an ATS-friendly resume that gets past automated filters. Print to PDF.

Career163

Prayer Times

Accurate prayer times based on your location. Works offline.

Faith & Spirituality291

{}

JSON Formatter

Format, validate, and minify JSON data. Works offline.

Utilities59

WA Direct

Send WhatsApp messages without saving the number. Open chat directly.

Utilities127

📐

Unit Converter

Convert between units of length, weight, temperature, and volume.

Education27

🍅

Pomodoro Timer

Simple Pomodoro timer for focused work sessions. 25 min work, 5 min break.

Career57

🎂

Age Calculator

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

Utilities65

💰

Salary Calculator

Calculate take-home pay with tax deductions for Indonesia.

Finance & Business118

🎲

Random Number Generator

Generate random numbers between a minimum and maximum value. Works offline.

💱

Currency Converter

Convert between 160+ currencies with live rates. Highlight cards for IDR to USD, SGD, MYR, EUR, JPY, AED, SAR, CNY. Works offline with cached rates.

📝

Word Counter

Free online word counter. Count words, characters, sentences, paragraphs. Reading time estimate. Works offline.

Text Case Converter

Free online text case converter. Convert to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more. Works offline.

iff

Text Diff Checker

Free online text diff checker. Compare two texts, highlight additions, deletions, and changes. Line-by-line and word-by-word diff. Works offline.

M↓

Markdown Preview

Free online markdown editor with live preview. Write markdown and see the rendered output instantly. Supports tables, code, lists. Works offline.

Gradient Generator

Free online CSS gradient generator. Create linear, radial, and conic gradients with live preview. Copy CSS code instantly. Works offline.

🖼️

Image Tools

Resize, crop, compress, convert, and strip EXIF metadata from images — all in your browser. JPG, PNG, WebP. Files never leave your device. Works offline.

Image Tools

⏳

Time Calculator

Calculate how long until a future date or how long since a past date and time, or the duration between any two dates. Works fully offline in your browser.

🎡

Color Wheel

Interactive color wheel with drag-to-pick hue, 6 harmony rules, HEX/RGB/HSB/CMYK/LAB inputs, image palette extraction, and one-tap copy. Works offline.

🧾

Tip Calculator

Calculate tip and split the bill between people. Custom tip percent, round-up option. Works offline.

🎯

Habit Tracker

Track daily habits with streak counts and a 7-day history. Add, check off, and watch streaks grow. Works offline and private.

🏃

Running Pace Calculator

Calculate running pace, finish time, or distance, and predict 5K, 10K, half and full marathon times. Supports km and miles. Works fully offline.

Health & Fitness

Password Strength Meter

Check how strong a password is and how long it would take to crack. Real-time, offline, private.

🔢

Number Base Converter

Convert numbers between binary, octal, decimal, hex, and any custom base from 2 to 36. Supports bigints. Real-time, offline.

⏱️

Countdown Timer

Live countdown to a target date or quick duration (1h, 1d, 7d, 30d). Sound alert when done, persists across reloads. Offline.

⏱️

Stopwatch

Precision stopwatch with laps. Start, stop, lap, reset. Persistent best time. Works offline.

👶

BMI for Kids

WHO BMI-for-age z-score for kids 5–19. Color-coded category, parent guidance. Works offline.

Health & Fitness

🌍

Time Zone Converter

Convert meeting time between 50+ cities. Live clocks, DST aware, works offline.

📋

PRD Maker

Create professional Product Requirements Documents interactively. Pre-built templates, live preview, export as Markdown or JSON. Works offline.

📋

SOP Maker

Create professional Standard Operating Procedures interactively. Live preview, export as Markdown, JSON, or PDF. Works offline.

🔲

SWOT Analysis

Build a 4-quadrant SWOT analysis (Strengths, Weaknesses, Opportunities, Threats). Add items, live matrix, export to Markdown or JSON. Print-friendly. Works offline.

🗺️

User Story Map

Map user journeys with activities, tasks, and stories. Organize product discovery visually. Save and load templates. Export to Markdown or JSON. Works offline.

🔍

Regex Tester

Test JavaScript regular expressions interactively. Highlight matches, view capture groups, copy results, common regex cheat sheet sidebar. Works offline.

📊

Markdown Table Generator

Build markdown tables interactively. Set rows and columns, fill cells, see live preview as both markdown and rendered HTML. Copy and export. Works offline.

Contrast Checker

WCAG color contrast checker. Pick text and background colors, see live preview, contrast ratio, and AA/AAA pass/fail for normal and large text. Works offline.

🎯

OKR Tracker

Track objectives and key results. Each objective has 3-5 KRs with 0-100% progress. Show overall %, status badge. Export MD/JSON.

JWT Decoder

Decode JWT (HS256, RS256, etc). Parse header, payload, signature, expiration timer, standard claims. 100% offline.

⏰

Crontab Explainer

Parse cron expressions, see breakdown, next 5 execution times, human explanation, common presets. Offline.

🗃️

SQL Formatter

Pretty print SQL with uppercase keywords, smart indentation. Supports SELECT, FROM, WHERE, JOIN, GROUP BY, ORDER BY, INSERT, UPDATE, DELETE, CREATE. Minify, copy, download. Offline.

💰

Budget Planner

Monthly budget. Income + expense categories with custom add. Visual bar chart per category (% of income). 50/30/20 preset. Save monthly, history. Export MD/JSON. Offline.

📝

Meeting Notes

Meeting notes: Title, Date, Attendees, Agenda, Discussion, Decisions, Action Items (owner + due date), Next Meeting. Live preview. Export PDF/MD/JSON. Save multiple. Offline.

🔑

UUID Generator

Generate UUID v4 random identifiers. Batch 1-50, uppercase or lowercase, optional hyphens, copy single or all. 100% offline.

🔣

Base64 Codec

Encode and decode Base64 strings, with file-to-data-URL support for images and binary files. Copy and clear. 100% offline.

🔗

URL Encoder/Decoder

Encode and decode URLs and query strings. Parse parameters into a key-value table. Copy individual params or full URL. 100% offline.

⏰

Unix Timestamp Converter

Live current Unix timestamp (seconds & ms), date ↔ epoch converter, ISO 8601 output, timezone offset. 100% offline.

🌐

Slug Generator

Convert any text to a URL-safe slug. Indonesian transliteration, custom separator, lowercase, max length. Live preview. 100% offline.

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text. Batch multiple inputs, copy results, history of last 10. 100% offline via Web Crypto + custom MD5.

👤

Fake Data Generator

Generate fake person data: name, email, phone, address, city, country, job, company, credit card, IP, user-agent, UUID. Locale ID/EN. Batch 1-50. Export JSON/CSV. 100% offline.

⇄

JSON ↔ YAML Converter

Convert JSON to YAML and YAML to JSON. Validate JSON, format pretty/compact, YAML indent 2/4. Drag-drop files. Copy/download. 100% offline.

Color Format Converter

Convert color between HEX, RGB, HSL, HSV, CMYK, and named CSS colors. Live swatch + WCAG contrast ratio checker. Color picker. Copy any format. 100% offline.

Percentage Calculator

Multi-mode percentage calculator: % of value, % change (up/down), base value from % target, markup/margin. Real-time. Copy results. History. 100% offline.

⇄

CSV ↔ JSON Converter

Convert CSV to JSON and JSON to CSV. Custom delimiter, header detection, quoted fields, multi-line values, escaped quotes. Copy/download. 100% offline.

Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text. 1-20 paragraphs or custom word count. Variants: classic, bacon-ipsum, hipster-ipsum. HTML or plain output. Copy. 100% offline.

M↓

Markdown to HTML

Convert Markdown to HTML with live side-by-side preview. Headings, bold/italic, code blocks, lists, links, images, tables, blockquotes. Copy HTML, download .html. 100% offline.

Binary / Hex / Base32 / Octal Converter

Convert text to and from binary (8-bit ASCII), hex, base32, and octal. Multi-format. Spacing and separator options. Copy all. 100% offline.

Compound Interest Calculator

Compound interest with monthly contribution, inflation adjustment, and tax. Year-by-year breakdown. IDR/USD toggle. Real (inflation-adjusted) value. 100% offline.

🔏

JWT Generator

Sign JWT with HS256/HS384/HS512, decode tokens, edit header/payload, claim presets (iat/exp/iss/aud/jti), Web Crypto API. 100% offline.

🧭

Eisenhower Matrix

Prioritize tasks in 2x2 quadrants: Do, Schedule, Delegate, Delete. Drag-drop between quadrants, deadlines with overdue badge, localStorage, export/import JSON. 100% offline.

🔄

Text Reverser

Reverse text per character, per word, per line. Mirror, upside-down (Unicode flip), ROT13 cipher. Batch process lines. Copy. 100% offline.

SVG Optimizer

Minify SVG by stripping comments, metadata, hidden elements, empty groups, whitespace, unused IDs. Live preview, size savings %, copy, download. 100% offline.

😀

Emoji Picker

Browse 600+ emojis across smileys, people, animals, food, travel, activities, objects, symbols, flags. Search by name, tap to copy, recent history. 100% offline.

💳

Loan Amortization Calculator

Calculate loan amortization (KPR, KKB, pinjol) with flat, effective, or annuity interest. Monthly breakdown, total interest, early payoff savings. IDR/USD. 100% offline.

🧓

Retirement Calculator

Estimate retirement fund with compound interest, monthly contribution, inflation adjustment, shortfall/surplus, recommended deposit. IDR/USD. 100% offline.

⚖️

Decision Matrix

Weighted decision matrix. Add options and criteria, score 1-10, weight 1-10, sort by weighted total, save to localStorage, export JSON. 100% offline.

Caesar Cipher

Caesar cipher encoder/decoder with custom shift. ROT13 preset. Brute force shows all 26 shifts with English-word scoring. A-Z or full ASCII. 100% offline.