All calculators and tools

The whole catalogue in catalogue order. Anything without a page yet is listed anyway, so the numbering never shifts as tools ship.

91 live91 in the catalogue
01Salary CalculatorDaily and hourly rate from your monthly pay.
0213th Month Pay CalculatorTotal basic salary for the year divided by twelve, pro-rated.
03Overtime Pay CalculatorOvertime premiums by day type, rest days and holidays included.
04Night Differential CalculatorNight shift differential for hours worked between 10pm and 6am.
05Holiday Pay CalculatorRegular and special holiday pay across working scenarios.
06Separation Pay CalculatorSeparation pay by ground, with credited years of service.
07Retirement Pay CalculatorStatutory retirement pay at 22.5 days per year of service.
08Leave Conversion CalculatorCash value of unused vacation, sick and incentive leave.
09Service Incentive Leave CalculatorSIL days earned, remaining, and their cash value.
10Basic Payroll CalculatorA full payslip estimate: gross, contributions, tax and net pay.
11SSS Contribution CalculatorEmployee, employer and total SSS contribution by salary credit.
12PhilHealth Contribution CalculatorPhilHealth premium share by monthly salary.
13Pag-IBIG Contribution CalculatorPag-IBIG contribution share by monthly salary.
14SSS Retirement CalculatorEstimated monthly pension, the highest of three formulas.
15Pag-IBIG MP2 CalculatorMP2 maturity value from contributions and an assumed dividend.
16Philippine Income Tax CalculatorWithholding tax, net income and effective rate.
17VAT CalculatorVAT-inclusive, VAT-exclusive and VAT amount.
18GWA CalculatorGeneral weighted average from subjects, units and grades.
19Grade CalculatorThe grade you need on what is left to hit a target.
20GPA CalculatorGrade point average on a configurable scale.
21Loan CalculatorPeriodic payment, total interest and total repayment.
22Interest CalculatorSimple and compound interest.
23Discount CalculatorDiscount amount and final price.
24Savings CalculatorFuture value, total deposits and progress toward a goal.
25Investment CalculatorProjected value with contributions and inflation adjustment.
26Inflation CalculatorWhat an amount is worth in another year.
27Fuel Cost CalculatorFuel consumed, total cost and cost per person.
28Electricity Cost CalculatorkWh consumed and the daily, monthly and annual cost.
29BMI CalculatorBMI with WHO and Asia-Pacific categories.
30Calorie CalculatorBMR, maintenance calories and a macronutrient split.
31Pregnancy Due Date CalculatorEstimated due date, gestational age and trimester dates.
32Percentage CalculatorPercentage of, increase, decrease, and what percent of.
33Age CalculatorAge in years, months and days.
34Date CalculatorDate difference, add days and subtract days.
35Date of Birth CalculatorDate of birth from a known age.
36Scientific CalculatorFull scientific calculator, operable from the keyboard.
37Fraction CalculatorFraction arithmetic with simplification and working shown.
38Ratio CalculatorSimplify, solve, scale and divide by a ratio.
39Unit ConverterLength, weight, temperature, area, volume, speed and time.
40Time Zone ConverterConvert a time across zones, daylight saving included.
41QR Code GeneratorQR codes as PNG or SVG, generated entirely in the browser.
42Password GeneratorStrong passwords from the browser cryptographic random source.
43JSON FormatterValidate, pretty print, minify and sort keys. Client-side only.
44Base64 Encoder / DecoderEncode and decode, standard and URL-safe. Client-side only.
45Barcode GeneratorEAN-13, UPC-A, Code 128 and Code 39, with the check digit computed.
46JWT GeneratorSign a JSON Web Token with HS256. The payload is readable.
47Secret Key GeneratorRandom keys in hex, base64 or UUID, entropy stated in bits.
48Text ComparisonCompare two texts and name the differences you cannot see.
49Text Case ConverterUpper, lower, title, sentence, camel, snake and kebab case.
50Line ToolsSort, dedupe, reverse, shuffle and number lines of text.
51Word & Character CounterWords, characters, bytes and reading time — and why they differ.
52Find and ReplaceReplace text literally or by pattern, with a preview first.
53Regex TesterTest a pattern, see every match, groups and a replace preview.
54Text ExtractorPull emails, URLs, numbers and phone numbers out of text.
55Text RedactorMask emails, numbers and card details in pasted text.
56HTML Tag RemoverStrip tags to plain text, and escape or unescape entities.
57URL Encoder & ParserEncode, decode and take a URL apart. Both encoders shown.
58Slug GeneratorURL slugs that handle ñ the way a Filipino name needs.
59Lorem Ipsum GeneratorPlaceholder text, with a Filipino variant that matches real copy.
60Hash GeneratorSHA-256, SHA-384, SHA-512 and HMAC, computed in your browser.
61Password Strength EstimatorHow cheaply a password could be guessed, and why.
62Passphrase GeneratorMemorable passphrases in English or Filipino, entropy stated honestly.
63JSON ⇄ CSV ConverterConvert between JSON and CSV, quoting and numbers handled properly.
64JSON DiffCompare two JSON documents by structure, not by line.
65XML & HTML FormatterIndent or minify markup, without touching what must not move.
66SQL FormatterLay out a query to be read, without rewriting what is in quotes.
67CSS MinifierShrink a stylesheet without changing what it selects.
68Unix Timestamp ConverterSeconds or milliseconds, both readings shown, never guessed silently.
69Cron Expression ExplainerWhat a cron schedule really means, and the next five times it fires.
70Colour ConverterHEX, RGB and HSL, with the WCAG contrast ratio attached.
71Unicode & Encoding InspectorEvery character, every length, and the invisible ones that break things.
72HTTP Status CodesEvery status code, and which of the confusable pair to use.
73MIME Type LookupThe type to serve for a file extension, and back again.
74Bill SplitterSplit a bill so the centavos add up, with service charge and VAT.
75Average, Median & ModeAll three averages at once, because the gap between them is the point.
76Margin & Markup CalculatorBoth numbers, always — a 50% markup is a 33% margin.
77Break-even CalculatorUnits and pesos to break even, with the contribution margin first.
78Working Days CalculatorWorking days between two dates, Philippine holidays excluded.
79Date FormatterEvery form of a date, and the ambiguity in 03/04/2026 named.
80Random PickerPick, shuffle, group, roll — unbiased, and it says how.
81Recipe ScalerScale a recipe by servings, in fractions a cook can measure.
82CSV Column MaskerMask a column and keep its shape, before the spreadsheet leaves your hands.
83CSV Fake DataReplace a column with plausible people, and count what collided.
84CSV DeduplicatorRemove repeated rows, and name the ones that only looked repeated.
85CSV SorterSort on several columns, and catch the figures sorted as text.
86Image Metadata RemoverStrip EXIF and GPS from a photo without re-encoding a single pixel.
87Image Resizer & CompressorResize, compress and convert a photo, the right way up and in your browser.
88File ChecksumCheck a download against the value the publisher printed. It compares for you.
89PDF MergeCombine several PDFs in an order you choose, without uploading any of them.
90PDF Page ToolsKeep, remove or turn pages — and see what it will do before it does it.
91Images to PDFOne page per picture, at the size of the picture. Nothing is re-compressed.

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