Kodigo Labs ToolsFree online tools that just work
Free, fast online tools and calculators. No sign-up, nothing uploaded.
Philippines
13th Month Pay Calculator
Compute your 13th month pay under Philippine law, including pro-rated amounts.
Philippine Income Tax Calculator
Estimate your annual and monthly income tax using the current BIR tax table.
Take-Home Pay Calculator
Net monthly and semi-monthly salary after SSS, PhilHealth, Pag-IBIG and withholding tax.
SSS, PhilHealth & Pag-IBIG Calculator
See your 2026 SSS, PhilHealth and Pag-IBIG contributions: employee share, employer share and SSS salary bracket.
Overtime Pay Calculator
Compute overtime, rest day, holiday and night shift pay under Philippine labor rules.
Final Pay Calculator
Estimate your last pay: unpaid salary, pro-rated 13th month, leave conversion and separation pay.
Pag-IBIG Housing Loan Calculator
Monthly amortization, loanable amount and full schedule with 2026 Pag-IBIG rates, including the promo and 3% 4PH rates.
Money
Currency Converter
Convert pesos, dollars, dirhams, riyals and 40+ currencies with daily exchange rates.
Loan Calculator
Compute monthly amortization, total interest and the full payment schedule for car, housing and personal loans.
VAT Calculator Philippines
Add or extract 12% VAT, and compute the senior citizen or PWD discount the right way.
Percentage Calculator
X% of a number, what percent, percentage increase or decrease, and discount price in one page.
Invoice Generator (PDF)
Make an invoice or billing statement with your logo, VAT or non-VAT totals and payment details, then download it as a PDF.
Everyday
QR Code Generator
Make QR codes for links, Wi-Fi, contact cards, SMS and email. Download PNG or SVG.
Age Calculator
Exact age in years, months and days, next birthday countdown, and days or business days between dates.
Password Generator
Strong random passwords and passphrases, with entropy and crack time.
Word Counter
Count words, characters, sentences and paragraphs, with reading time, top keywords and limits for X, SMS and SEO.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case and more.
Unit Converter
Convert sqm to sqft, kg to lbs, cm to feet and inches, °C to °F and more, including Filipino land units.
Developer
JSON Formatter & Viewer
Format, minify and validate JSON with exact error locations, plus a collapsible tree view.
Regex Tester
Test JavaScript regular expressions with live highlighting, capture groups, find-and-replace and shareable links.
Text Diff Checker
Compare two texts and see what was added, removed or changed, line by line, word by word or letter by letter.
Base64 Encode & Decode
Encode or decode Base64 with proper UTF-8, URL-safe option, and convert files or images to Base64 and data URIs.
URL Encode & Decode
Percent-encode or decode text, and break a URL into parts with an editable query parameter table.
JWT Decoder & Verifier
Decode JSON Web Tokens, see expiry times as dates, and verify HS, RS, PS, ES and EdDSA signatures.
Hash Generator (MD5, SHA-256)
MD5, SHA-1, SHA-256, SHA-384 and SHA-512 of text or files, with HMAC and checksum comparison.
UUID Generator
Generate UUID v4 and time-ordered v7 in bulk, and inspect any UUID.
Unix Timestamp Converter
Convert epoch time to a date in your zone, UTC or Manila, and back.
Color Converter
HEX, RGB, HSL, HSV and CMYK with a WCAG contrast checker and tints.
Images
Image Converter (WebP, JPG, PNG)
Convert and compress images in your browser. Files never leave your device.
ID Photo Maker (1x1, 2x2, Passport)
Crop photos to 1×1, 2×2 or passport size and print a 4R or A4 sheet at 300 DPI.
Image Compressor (to 100 KB, 200 KB…)
Shrink JPG, PNG and WebP images under a target size for job portals and online forms.
Background Remover
Remove a photo background with AI and make it transparent, white or blue. Runs in your browser, nothing uploaded.
Merge PDF
Combine several PDF files into one, in any order. Private, no upload.
Compress PDF
Shrink a PDF to under 1 MB, 2 MB or 5 MB for email and online forms. Text stays sharp, no upload.
JPG to PDF
Turn photos (JPG, PNG, WebP) into one PDF on A4, Letter, Long or Legal.
Word to PDF
Turn a .docx resume or letter into a PDF in your browser. Private, no upload.