Top free tools, voted by the community

Sri Lanka A/L Z-Score Calculator

Education · Compute your Sri Lankan G.C.E. Advanced Level Z-score from three subje

AI Voice Generator

AI · Turn text into realistic AI speech and download the MP3 — free, no sig

1RM Calculator

Utility · Estimate your one-rep max (1RM) from a weight × reps set using four pe

A/L Combination Validator

Education · Pick any three A/L subjects and see which UGC stream the combination u

Admission Marks

Education · Estimate the marks your Grade 1 government school application will sco

Age Calculator

Utility · Calculate your exact age in years, months, days, hours, and minutes. I

AI Alt-Text Generator

AI · Drop an image and get a concise, WCAG-friendly alt-text string plus tw

AI Audio Transcriber

AI · Upload an audio or video file and get a timestamped transcript in 99 l

AI Entity Recognizer

AI · Extract people, organisations, locations, and proper nouns from any En

AI Grammar Checker

AI · Paste any English paragraph and get a corrected version side-by-side w

AI Image Classifier

AI · Drop an image and get the top ImageNet labels with softmax confidence

AI Image Cost Calculator

AI · Compare monthly cost of generating AI images across DALL-E 3, Imagen 3

AI Keyword Extractor

AI · Extract the most important keywords and key phrases from any text. Run

AI Model Compare

AI · Compare the latest LLMs side by side — GPT-5, Claude 4.5, Gemini 2.5,

AI Object Detector

AI · Detect objects in any image with labelled bounding boxes — class names

AI PII Redactor

AI · Detect and redact PII — Sri Lanka NIC numbers, phones, emails, credit

AI Prompt Library

AI · 48 structured, source-cited prompt templates for ChatGPT, Claude, Gemi

AI Question Answering

AI · Paste any English passage and ask a question — the tool returns the ex

AI Resume ATS Checker

AI · Paste a resume and a job description to see an ATS score, missing keyw

AI Similarity Checker

AI · Compare two texts and get a 0–100% semantic similarity score from sent

AI Token Counter

AI · Count tokens for any text against GPT-5, GPT-4o, Claude 4.x, Gemini 3,

AI Token Counter

AI · Count tokens for any text across GPT-5, GPT-4o, Claude 4.x, Gemini 3,

AI Toxicity Detector

AI · Score any English text for six kinds of toxicity — toxic, severe, obsc

AI Translator

AI · Translate English ↔ Sinhala, English ↔ Tamil, and 50+ other language p

AI TTS Cost Calculator

AI · Compare AI text-to-speech costs in USD and LKR across OpenAI TTS, Elev

AI Zero-Shot Classifier

AI · Classify any text into your own custom labels — no training data, no A

Airport Tax Calculator

Travel · Calculate Embarkation Levy + Passenger Service Charge for departures f

Alarm Clock

Utility · Free browser-based alarm clock. Set multiple alarms with custom sounds

Annual Leave

Finance · Compute your statutory annual, casual, and medical leave entitlement i

APIT Calculator

Finance · Free Sri Lanka APIT calculator using the IRD's official Table 01 for Y

Aptitude Score

Education · Compute your UGC aggregate mark from your A/L Z-score and aptitude tes

Aswesuma Benefit

Finance · Estimate the monthly and lifetime Aswesuma payment your household qual

Background Remover

Documents · Remove the background from any photo entirely in your browser. Runs th

Baggage Allowance

Travel · Find your duty-free concession at Bandaranaike International Airport a

Bank Transfer Fee

Finance · Find the cheapest rail and exact fee for any interbank transfer in Sri

Barcode Generator

Utility · Generate scannable 1-D barcodes in Code 128, EAN-13, UPC-A, ITF, Code

Base64

Utility · Encode text or files to Base64 and decode Base64 back to text or a dow

Birth Certificate Fee

Finance · Work out the exact rupee cost of a Sri Lankan birth certificate — cert

Blood Donation Check

Health · Find out instantly whether you can donate blood in Sri Lanka. Free NBT

BMI Calculator

Utility · Calculate your Body Mass Index in metric (kg/cm) or imperial (lb/ft) u

Body Fat %

Utility · Estimate your body-fat percentage from neck, waist, and hip tape measu

Bonus Tax

Finance · Work out the APIT your employer must withhold from a bonus, commission

Box Shadow

Utility · Visually build CSS box-shadow with offset, blur, spread, colour, and i

Branch Code Finder

Utility · Look up the LankaPay branch code, SLIPS routing, and SWIFT BIC for any

Break-Even Calc

Finance · Calculate break-even units and revenue from fixed costs, selling price

Building Approval Fee

Finance · Estimate UDA, Municipal Council, Urban Council, or Pradeshiya Sabha bu

Bus Fare

Travel · Estimate the legal NTC bus fare for any route in Sri Lanka by distance

C Compiler

Developer · Write, compile and run C online for free, no signup. Compiled on a san

C# Compiler

Developer · Write, compile and run C# online for free, no signup. Compiled on a sa

C++ Compiler

Developer · Write, compile and run C++ online for free, no signup. Compiled on a s

Capital Allowance

Finance · Calculate annual capital (depreciation) allowance and balancing charge

Capital Gains Tax

Finance · Compute Sri Lankan capital gains tax on land, buildings, unlisted shar

Case Converter

Text · Convert text between UPPERCASE, lowercase, Title Case, Sentence case,

Character Counter

Utility · Count characters with live limit indicators for Twitter / X, SMS (GSM-

Child Growth Chart

Health · Calculate WHO Z-scores and percentiles for weight-for-age, height-for-

Color Converter

Utility · Convert any color between HEX, RGB, HSL, HSV, CMYK, OKLCH and the 148

Company Reg Fee

Finance · Estimate the total Department of Registrar of Companies fees to incorp

Compound Interest

Finance · Project the future value of a deposit with periodic contributions, any

Construction Material

Finance · Estimate cement bags, sand, metal, bricks, blocks, TMT steel and roof

Corporate Tax

Finance · Compute corporate income tax for a Sri Lankan company at the IRD's Y/A

Countdown Timer

Utility · Live countdown to any future date and event with a year/month/day/hour

Credit Card Interest

Finance · Find your finance charge, minimum payment, and months-to-clear on any

Cron Builder

Utility · Build cron expressions visually with per-field inputs and presets. Liv

CSE Brokerage

Finance · Calculate the total cost of a Colombo Stock Exchange share trade — bro

CSV to Excel

Documents · Convert any CSV (or TSV) file to .xlsx in your browser. Auto-detects c

Cultural Triangle Fee

Travel · Work out the gate cost for Sigiriya, Polonnaruwa, Anuradhapura, Dambul

Currency Converter

Finance · Convert between 60+ currencies at the live mid-market rate. USD-base c

Date Difference

Utility · Calculate the exact number of days, weeks, months, and years between a

Death Certificate Fee

Finance · Work out the exact rupee cost of a Sri Lankan death certificate — regi

Dedupe Lines

Text · Remove duplicate lines from any text. Case-sensitive, whitespace-trim,

Digital Services VAT

Finance · Compute the 18% Sri Lankan VAT on Netflix, Spotify, AWS, Adobe, Google

Discount Calc

Finance · Quick math for sale prices, tip percentages, percentage increase or de

Distress Loan

Finance · Free Sri Lanka public-officer distress loan calculator. Eligibility, m

Driving Licence Fee

Travel · Calculate the full DMT driving licence fee in Sri Lanka — issue, trial

DS Division Finder

Utility · Find any Divisional Secretariat in Sri Lanka by province and district,

Dual Citizenship Fee

Travel · Estimate the full Sri Lankan dual citizenship application cost in LKR

Electricity Connection Fee

Finance · Work out the full rupee cost of a new CEB or LECO electricity connecti

Embedding Cost Calc

AI · Estimate USD and LKR cost of generating vector embeddings across OpenA

EMI Calculator

Finance · Calculate monthly EMI for any home, car, personal, or education loan.

Emission Test Fee

Travel · Find the exact VET fee for your vehicle class — motorcycle, car, van,

English Exam Fee

Education · Compare 2026 LKR fees for IELTS, TOEFL iBT, PTE Academic, Duolingo Eng

EPF Housing Loan

Finance · Find how much you can withdraw from your EPF balance for housing — pur

EPF Withdrawal Tax

Finance · Check if you can withdraw your EPF in Sri Lanka and estimate the tax w

EPF/ETF Surcharge

Finance · Compute the EPF Act §38(1) and ETF Act §13 late-payment surcharge on a

EPUB to PDF

Documents · Convert any EPUB e-book to a printable PDF entirely in your browser. T

ETA Visa Fee

Travel · Work out the exact Sri Lanka ETA visa cost in USD and LKR — tourist, b

ETF Calculator

Finance · Project your Employees' Trust Fund (ETF) balance at resignation, retir

EV Charging Cost

Travel · Work out the monthly LKR cost of charging an EV at home in Sri Lanka o

Exam Fees

Education · Work out the official Department of Examinations fee for O/L and A/L r

Excel to PDF

Documents · Inspect an Excel (.xlsx) workbook locally in your browser, classify it

Excise Duty

Finance · Work out the Excise Duty + 18% VAT + 2.5% SSCL on a cigarette pack or

EXIF Metadata Editor

Image · Edit the EXIF metadata of a photo — title, author, copyright, date tak

EXIF Metadata Viewer

Image · View all EXIF and metadata of any photo or video — camera, exposure, c

Expressway Toll

Travel · Calculate the exact RDA-gazetted toll for any trip on Sri Lanka's expr

FAR Calculator

Finance · Find the legal max floor area, plot coverage, and number of storeys fo

Favicon Generator

Documents · Generate favicon.ico, every PNG size (16, 32, 48, 180, 192, 512), the

Find and Replace

Text · Bulk find-and-replace on any text. Case-sensitive, whole-word, regex,

Freelance Rate

Finance · Work out the hourly rate you need to charge as a freelancer. Enter you

Fuel Cost

Travel · Calculate the petrol or diesel cost of any trip in Sri Lanka using the

GIF Maker

Documents · Stitch JPG, PNG, WebP, AVIF, or GIF frames into a single animated GIF