Free online tools for Sri Lanka and everyday work
Browse 61 free, privacy-first calculators, developer utilities, fitness planners and document tools, including practical Sri Lankan tools in English, Sinhala and Tamil.
Browse every Codipock tool
Sri Lanka
- Sri Lanka Internet Packages & Data Plan Comparison — Find Dialog, Mobitel, Hutch and SLT internet packages in Sri Lanka. Browse mobile data and home broadband by price and validity, then compare plans and FUP limits.
- Loan Payment and Amortization Calculator — Calculate the monthly payment for a housing, vehicle leasing or personal loan, or work backwards from the monthly amount you can afford to see how much you can borrow, with a full amortization schedule.
- Sri Lanka NIC Converter & Decoder — Decode old and new Sri Lankan NIC numbers to find the date of birth, gender and age, and convert between NIC formats.
- Sri Lanka APIT Salary Tax Calculator — Estimate Sri Lankan APIT salary tax, EPF, ETF and take-home pay with a clear monthly or annual calculation breakdown.
- Sri Lanka Vehicle Import Duty Estimator — Plan a Sri Lankan vehicle import with an indicative breakdown of customs duty, excise duty, luxury tax, VAT and total landed cost.
- Sri Lanka Vehicle Leasing & Finance Calculator — Apply the current CBSL vehicle LTV limit, compare 3, 5 and 7 year terms, and normalize up to five user-entered leasing, loan or hire-purchase quotes by monthly cash out, total cost and effective annual cost.
- Sri Lanka Vehicle Revenue Licence Fee Estimator — Estimate annual Sri Lankan vehicle revenue licence fees and overdue charges using verified Gazette schedules, with provincial differences and limitations shown clearly.
- CEB & LECO Electricity Bill Calculator Sri Lanka — Estimate your CEB or LECO electricity bill from units used. See energy charges, fixed charges, SSCL and a full breakdown. Free, no sign-up.
- Sri Lanka EV Charging Cost Calculator — Estimate per-charge and monthly cost, energy use, charging time and driving range for a Sri Lankan EV using home power, rooftop solar, or public chargers.
- AC & Appliance Electricity Cost Calculator Sri Lanka — Calculate AC, fridge and fan electricity costs in Sri Lanka. Compare daily units, monthly CEB/LECO bill increases and inverter replacement savings.
- Water Bill Calculator Sri Lanka – NWSDB — Estimate your NWSDB water bill from monthly units used. Compare domestic and Samurdhi categories, with usage charges, fixed charges and VAT.
- Fuel Cost Calculator Sri Lanka – Trip & Mileage — Calculate fuel use and cost for a one-way or return trip in Sri Lanka using distance, fuel economy, fuel type and current price.
- Sri Lanka Postal Code Finder — Find Sri Lankan postal codes by town, district or postcode across all 25 districts with fast searchable location results.
- Sri Lanka Bank SWIFT Code Finder — Find Sri Lankan bank SWIFT, BIC and routing details by bank or branch for international transfers and account forms.
- Sinhala Unicode to FM Abhaya Converter — Convert Sinhala Unicode to FM Abhaya-compatible text and back. Copy or download the result. Free, with text processed in your browser.
- Singlish to Sinhala & Tamil Converter — Type naturally with Latin letters and convert Singlish text into readable Sinhala or Tamil Unicode with live suggestions.
- Sri Lanka EPF, ETF and Gratuity Calculator — Calculate monthly employee and employer EPF and ETF contributions, project fund growth and estimate statutory gratuity in Sri Lanka.
- Live Exchange Rates for Sri Lanka — Check indicative live exchange rates between the Sri Lankan rupee and major currencies, with quick conversions and recent trends.
- Sri Lanka Gratuity Calculator — Calculate Sri Lanka gratuity for monthly, daily or piece-rate pay. Check five years of service and the employer's highest workforce in the final 12 months.
- Sri Lanka Bonus and Lump-Sum APIT Calculator — Estimate Sri Lankan APIT on bonuses, arrears and lump-sum employment payments using the IRD EGAR calculation method.
- Sri Lanka Foreign Employment Income Tax Calculator — Estimate Sri Lankan tax and instalments for qualifying foreign-employer income using the applicable Table 08 method.
- Sri Lanka Property Stamp Duty Estimator — Explore a common Sri Lankan property stamp-duty scenario and total buyer costs, then verify the applicable provincial rules.
- Sri Lanka Fixed Deposit and AIT Calculator — Calculate fixed-deposit interest, AIT deduction, monthly or maturity payouts, final value and estimated real return in Sri Lanka.
- Sri Lanka Solar Savings and Payback Calculator — Estimate rooftop solar generation, electricity-bill savings, export income, maintenance costs and investment payback in Sri Lanka.
- Sri Lanka Passport and Visa Photo Maker — Crop and export Sri Lankan passport and visa photos locally with 35×45 mm presets, custom sizes and a print-ready sheet.
- Sri Lanka GPA and Degree Class Planner — Calculate a credit-weighted GPA, test future grade scenarios and plan the results needed for a target Sri Lankan degree class.
Developer
- JWT Decoder — Decode JSON Web Tokens locally and inspect headers, payloads and claims.
- JSON Formatter & Viewer — Format, validate and inspect JSON in a full-screen workspace, with side-by-side comparison when needed.
- JSON Compare — Compare two JSON documents by value and review added, removed and changed fields.
- Text Compare — Compare two blocks of plain text side by side, including spaces, line breaks and capitalization.
- Regex Tester — Test expressions live with matches, groups and replacements highlighted.
- Text & String Converters — Encode Base64 and URLs or switch text between common naming cases.
- Hash Generator — Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes in your browser.
- UUID/GUID Generator — Create cryptographically secure UUID v4 identifiers in batches.
- CSV Viewer & Converter — Inspect CSV data in a table and convert between CSV and JSON.
- Timestamp & Cron Builder — Convert Unix timestamps and build cron schedules with previews.
- Password & Secret Generator — Create secure passwords, passphrases and application secrets.
- Subnet & CIDR Toolkit — Calculate IPv4 subnets, check IP membership and convert address ranges to CIDR offline.
Finance
- Loan Payment and Amortization Calculator — Calculate the monthly payment for a housing, vehicle leasing or personal loan, or work backwards from the monthly amount you can afford to see how much you can borrow, with a full amortization schedule.
- Compound Interest Calculator — Model investment growth with contributions and compound interest.
- Group Expense Splitter — Split shared expenses in Sri Lanka and worldwide using LKR, USD, EUR and more. Compare balances, see who pays whom, and export to Excel. No account needed.
- Tip Calculator & Bill Splitter — Calculate a tip and divide a bill fairly between any group size.
- Sri Lanka Vehicle Leasing & Finance Calculator — Apply the current CBSL vehicle LTV limit, compare 3, 5 and 7 year terms, and normalize up to five user-entered leasing, loan or hire-purchase quotes by monthly cash out, total cost and effective annual cost.
Fitness
- Fitness Toolkit — Start here: enter fitness details once, see a live snapshot, and move between calculators.
- BMI & Body Metrics Calculator — Check adult BMI, reference weight and body-composition context without false precision.
- BMR Calculator — Estimate calories burned at rest with Mifflin and optional body-fat comparison.
- TDEE & Calorie Goal Planner — Estimate daily calorie needs, build a guarded cutting plan, and see macros and hydration.
- Adaptive TDEE Calculator — Refine maintenance calories from your real weight trend and logged intake.
- One Rep Max Calculator — Estimate 1RM as a range, explore training loads, and calculate plates per side.
- Waist-to-Height Ratio Calculator — Check a global waist-to-height reference with optional South Asian waist context.
- Protein & Macro Calculator — Turn a known calorie target into practical protein, carbohydrate and fat starting amounts.
- Barbell Plate Calculator — Load a target in kilograms or pounds using your available plate inventory.
Lifestyle
- Unit Converter — Convert length, weight, temperature, area, volume and more.
Documents
- QR Code Generator — Create QR codes for links, Wi-Fi, contacts, email and plain text.
- Invoice & Quotation Generator — Build professional invoices and quotations and export them to PDF.
- Sri Lanka Salary Slip and Employer Cost Generator — Create and print a Sri Lankan salary slip with APIT, EPF, ETF, overtime, deductions and a clear employer-cost summary.
- Image Compressor & Resizer — Batch compress, resize and convert images with previews and ZIP download.
- PDF Application Toolkit — Combine PDFs and images, organize pages, export images and compress privately.
Global Utilities
- Global Weather Forecast — Check current conditions and a weekly forecast for cities worldwide.
- IP & Network Locator — Check and copy your public IP, ISP, ASN and approximate location with a timestamp.
- Subnet & CIDR Toolkit — Calculate IPv4 subnets, check IP membership and convert address ranges to CIDR offline.
- DNS Lookup Tool — Check A, AAAA, MX, TXT, NS and other live DNS records for any domain.
- Global Public Holidays — Find national holidays and long weekends for over 100 countries.
- GitHub Profile Viewer — Generate a shareable profile overview for any GitHub username.