Payroll
13th Month Pay Calculator
Estimate an employee's 13th month pay from total basic salary earned during the year, including proration for partial-year service.
PH-ready HR, Payroll & Recruitment toolkit
Free tools for HR teams, payroll officers, and business owners.
Calculate payroll deductions, statutory contributions, and workforce numbers using one clean, compliance-focused ERPat tools hub.
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Featured tools for daily HR and payroll work
Start with high-value tools that match ERPat's core modules.
Payroll
SSS Contribution Calculator
Estimate monthly SSS contributions (employee and employer share) using the 2025 contribution schedule, including the EC and WISP/MPF portions.
Payroll
Gross-to-Net Salary Calculator
Estimate monthly take-home pay after SSS, PhilHealth, Pag-IBIG, and withholding tax deductions from a gross monthly salary.
Tools Library
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103 tools
Payroll
13th Month Pay Calculator
Estimate an employee's 13th month pay from total basic salary earned during the year, including proration for partial-year service.
Payroll
SSS Contribution Calculator
Estimate monthly SSS contributions (employee and employer share) using the 2025 contribution schedule, including the EC and WISP/MPF portions.
Payroll
Gross-to-Net Salary Calculator
Estimate monthly take-home pay after SSS, PhilHealth, Pag-IBIG, and withholding tax deductions from a gross monthly salary.
Recruitment
Job Description Generator
Generate a clean, structured job description from the role title, responsibilities, and qualifications you provide.
Business
HRIS ROI Calculator
Estimate the return on investment of an HRIS by valuing the HR/payroll time automation saves against the subscription cost.
Compliance
Statutory Contribution Viewer
View all monthly statutory contributions (SSS, PhilHealth, Pag-IBIG) for a given salary, with employee and employer shares.
Compliance
Payroll Compliance Checklist
A per-cycle and year-end payroll compliance checklist covering computation, statutory remittances, payslips, and filings.
HRIS
Certificate of Employment Generator
Generate a Certificate of Employment (COE) draft with position, dates, and optional salary disclosure.
Documents
QR Code Generator
Generate a QR code from any text, link, or contact in your browser — pick size, colors, and error correction, then download PNG or SVG. Nothing is uploaded.
Payroll
PhilHealth Contribution Calculator
Estimate the monthly PhilHealth premium and the employee/employer split based on monthly basic salary, using the 5% premium rate.
Payroll
Pag-IBIG Contribution Calculator
Estimate monthly Pag-IBIG (HDMF) contributions for employee and employer using the current rates and the ₱10,000 maximum compensation.
Payroll
Daily Rate Calculator
Convert a monthly basic salary into an equivalent daily rate using your company's working-days-per-year factor.
Payroll
Hourly Rate Calculator
Convert a daily rate into an hourly rate based on the number of working hours per day.
Payroll
Overtime Pay Calculator
Estimate overtime pay using DOLE premium rates for ordinary days, rest/special days, and regular holidays.
Payroll
Night Differential Calculator
Estimate night-shift differential pay (10%) for hours worked between 10:00 PM and 6:00 AM.
Payroll
Holiday Pay Calculator
Estimate holiday pay for regular holidays and special non-working days, worked or unworked, including rest-day scenarios.
HRIS
Employee Tenure Calculator
Calculate an employee's length of service in years, months, and days from the hire date to any as-of date.
HRIS
Regularization Date Calculator
Compute the end of probation and regularization date from an employee's hire date and probationary period.
Attendance
Workdays Calculator
Count the number of working days between two dates, excluding weekends (Saturdays optional).
Attendance
Timesheet Calculator
Compute payable hours from time in, time out, and unpaid break — including overnight shifts and an 8-hour regular/overtime split.
Attendance
Late / Tardiness Calculator
Compute tardiness from the scheduled and actual time in, with an optional grace period.
Attendance
Undertime Calculator
Compute undertime from the scheduled and actual time out when an employee leaves before the end of the shift.
Attendance
Break Deduction Calculator
Compute the unpaid excess break time beyond the paid allowance, and optionally the peso deduction.
Attendance
Night Shift Hours Calculator
Count the hours of a shift that fall within the 10:00 PM–6:00 AM night-differential window, including shifts that cross midnight.
Attendance
Overtime Request Calculator
Estimate the overtime pay for a planned OT request from the shift end and planned time out, using DOLE premium rates.
Attendance
Holiday Work Pay Helper
Estimate total pay for working on a holiday, including the day-rate premium for the first 8 hours and overtime beyond 8 hours.
Attendance
Geofence Radius Estimator
Suggest a sensible geofence radius for GPS-based attendance based on site type and expected GPS accuracy.
Attendance
Attendance Summary Generator
Generate a clean, copy-ready attendance summary for an employee and period from the totals you enter.
Recruitment
Recruitment Funnel Calculator
Compute stage-by-stage and overall conversion rates across your hiring funnel: applications, interviews, offers, and hires.
Recruitment
Time-to-Hire Calculator
Compute time-to-hire in days (and weeks) from the application date to the offer-acceptance date.
Recruitment
Cost-per-Hire Calculator
Compute cost per hire from total external and internal recruiting costs divided by the number of hires.
Recruitment
Offer Letter Generator
Generate a professional job offer letter draft from the candidate, position, salary, and start-date details you provide.
Recruitment
Candidate Rejection Email Generator
Generate a respectful candidate rejection email with a choice of tone (standard, encouraging, or keep-on-file).
Recruitment
Onboarding Email Generator
Generate a warm welcome / onboarding email for a new hire, including first-day instructions.
Recruitment
Interview Schedule Message Generator
Generate a clear interview invitation message with date, time, and format (on-site, video, or phone).
Recruitment
Interview Question Generator
Generate a structured interview question set (general, role-specific, behavioral, closing) tailored to a role and seniority.
Recruitment
Employment Contract Checklist
A checklist of the clauses and statutory items commonly required in a Philippine employment contract, tailored to the employment type.
Recruitment
Background Check Checklist
A privacy-compliant pre-employment background check checklist, tailored to the role's sensitivity.
Recruitment
Applicant Data Privacy Consent Generator
Generate an applicant data-privacy consent form aligned with the Philippine Data Privacy Act (RA 10173).
Recruitment
Resume ATS Checker
Check how well a resume matches a job's target keywords and see which keywords are present or missing.
Recruitment
Job Ad Generator
Generate a concise, post-ready job ad with a hook, perks, details, and a how-to-apply call to action.
Recruitment
Interview Scorecard Builder
Build a structured interview scorecard with weighted criteria, a rating scale, notes, and a recommendation.
Recruitment
Candidate Ranking Sheet Generator
Generate a scoring sheet to rank multiple candidates against the same criteria and a chosen rating scale.
Business
Payroll Error Cost Calculator
Estimate the annual cost of payroll errors from your error rate, correction cost, and number of pay cycles.
Business
Manual Payroll Time Calculator
Estimate the annual hours (and cost) spent processing payroll manually based on headcount and time per employee.
Business
Employee Headcount Cost Estimator
Estimate the fully-loaded annual cost of your workforce including employer statutory contributions and 13th-month accrual.
Business
Payroll Outsourcing vs HRIS Calculator
Compare the monthly and annual cost of outsourcing payroll versus running an HRIS in-house.
Business
HRIS Budget Estimator
Estimate an indicative monthly or annual HRIS budget range based on headcount and feature tier.
Business
Module Recommendation Tool
Get a recommended set of HRIS modules and a suggested rollout order based on your team's needs.
Business
Implementation Readiness Checker
Check your readiness to roll out an HRIS/payroll system across data, process, people, technical, and project dimensions.
Business
BPO Payroll Readiness Checklist
A readiness checklist for BPO payroll — night differential, stacked premiums, multi-account cost allocation, and 24/7 scheduling.
Business
Retail Workforce Checklist
A workforce and payroll readiness checklist for retail — multi-branch scheduling, regional wages, premiums, and commissions.
Business
Agency Payroll Checklist
A compliance and payroll checklist for manpower agencies — DO 174 contracting, billing vs payroll, and per-worker statutory remittances.
Compliance
BIR Withholding Tax Guide
View the BIR TRAIN monthly withholding tax table and optionally estimate the tax for a taxable monthly income.
Compliance
Government Remittance Calendar
A quick reference of monthly remittance schedules for SSS, PhilHealth, Pag-IBIG, and BIR, plus year-end deadlines.
Compliance
13th Month Pay Guide
A plain-language guide to Philippine 13th-month pay — eligibility, computation, deadline, and tax treatment.
Compliance
PH Holiday Pay Rules Guide
A quick reference of Philippine holiday pay rules for regular holidays and special non-working days.
Compliance
DOLE Labor Standards Checklist
A high-level checklist of common DOLE labor standards: wages, hours, rest, statutory benefits, safety, and records.
Compliance
BIR 2316 Preparation Checklist
A checklist to prepare BIR Form 2316 (Certificate of Compensation/Tax Withheld) for year-end issuance to employees.
Compliance
Alphalist Preparation Checklist
A checklist to prepare the BIR Alphalist of Employees (with Form 1604-C) for year-end submission.
Compliance
Employee Data Privacy Checklist
A Data Privacy Act (RA 10173) compliance checklist for handling employee personal data across its lifecycle.
Compliance
Recruitment Data Privacy Checklist
A Data Privacy Act checklist for handling applicant data during recruitment — notice, consent, retention, and security.
Compliance
HR Audit Checklist
A periodic HR compliance self-audit covering 201 files, contracts, policies, statutory benefits, and records retention.
Compliance
Payroll Audit Checklist
An internal payroll audit checklist covering master data, computation accuracy, controls, reconciliation, and filings.
Compliance
Leave Policy Checker
Check whether your paid-leave policy meets the DOLE Service Incentive Leave (SIL) minimum of 5 days per year.
HRIS
Employee Age Calculator
Calculate an employee's exact age in years, months, and days from a birthdate.
HRIS
Leave Credit Calculator
Compute available leave credits from the annual entitlement, accrual method, months elapsed, and used/pending leaves.
HRIS
Leave Proration Calculator
Prorate a full-year leave entitlement for employees who joined or separated mid-year.
HRIS
Service Incentive Leave Calculator
Compute Service Incentive Leave (SIL) entitlement, unused balance, and its cash conversion value.
HRIS
Employee ID Number Generator
Generate consistently formatted employee ID numbers with an optional prefix, year, padding, and separator.
HRIS
Memo Generator
Generate a clean internal memorandum with TO/FROM/DATE/RE headers and your message body.
HRIS
Notice to Explain (NTE) Generator
Generate a first-notice (Notice to Explain) under the twin-notice rule, directing an employee to submit a written explanation.
HRIS
Incident Report Generator
Generate a structured workplace incident report covering what happened, who was involved, witnesses, and immediate action taken.
HRIS
Performance Review Template Builder
Build a ready-to-fill performance evaluation form with rating scale, core competencies, achievements, and goals.
HRIS
KPI Scorecard Builder
Build a weighted KPI scorecard from a simple list of KPIs, targets, and weights — auto-distributing any weights you leave blank.
HRIS
Company Policy Generator
Generate a starter company policy (attendance, leave, code of conduct, data privacy, remote work, IT use) with standard sections.
HRIS
Employee Handbook Builder
Build an employee handbook outline with a table of contents and per-chapter prompts covering the standard HR sections.
HRIS
Org Chart Builder
Build a text-based organizational chart (indented tree) from a simple list of people, titles, and who they report to.
HRIS
Asset Acknowledgment Form Generator
Generate an asset/equipment acknowledgment form listing issued company assets with an accountability undertaking and signatures.
HRIS
Training Attendance Sheet Generator
Generate a printable sign-in / attendance sheet for trainings, meetings, and activities with numbered signature rows.
HRIS
Onboarding Checklist Builder
Generate a new-employee onboarding checklist covering pre-boarding, Day 1, first week, and first 30–90 days.
HRIS
Offboarding Checklist Builder
Generate an employee offboarding checklist covering notice, knowledge transfer, asset return, access revocation, and final pay.
HRIS
Clearance Checklist Generator
Generate a multi-department employee clearance form with sign-off lines for IT, Admin, Finance, and HR.
HRIS
Employee Data Import Validator
Sanity-check employee CSV data before import: structure, required Name/Email, email format and duplicates, and date formats.
Documents
CSV Cleaner
Clean pasted CSV data: trim cells, collapse extra spaces, drop empty rows, remove duplicates, strip BOM, and normalize line endings.
Documents
Bank Account Format Checker
Sanity-check a list of bank account numbers for payroll files: digit-only, expected length, duplicates, and lost leading zeros.
Documents
Excel/CSV Template Validator
Define your expected columns (name, required, type) and validate pasted CSV/Excel data against the template — structure, required values, and per-column types.
Documents
Image Resizer
Resize an image to exact pixel dimensions in your browser — keep aspect ratio, choose PNG/JPEG/WebP, and download. Nothing is uploaded.
Documents
Image Compressor
Compress JPEG/PNG/WebP images in your browser — adjust quality and max width, see the size saved, and download. Nothing is uploaded.
Documents
1x1 ID Photo Cropper
Crop a photo to a 1x1 inch ID photo in your browser — drag and zoom to frame, then download at 300 or 600 DPI. Nothing is uploaded.
Documents
2x2 ID Photo Cropper
Crop a photo to a 2x2 inch ID/passport photo in your browser — drag and zoom to frame, then download at 300 or 600 DPI. Nothing is uploaded.
Documents
Signature Cleaner
Clean a photo or scan of your signature in your browser — remove the paper background (white or transparent), darken the ink, and download a PNG. Nothing is uploaded.
Documents
Payslip PDF Generator
Create a clean payslip PDF in your browser — enter earnings and deductions, see gross/net, and download. Nothing is uploaded.
Documents
Certificate Template Generator
Create a printable certificate (recognition, appreciation, completion) as a PDF in your browser — add recipient, body, and signatories, then download. Nothing is uploaded.
Documents
Employee ID Card Generator
Design a standard-size employee ID card as a print-ready PDF in your browser — add photo, name, position, and ID number. Nothing is uploaded.
Documents
Image to PDF Converter
Combine JPG/PNG images into a single PDF in your browser — one image per page, A4 or original size. Nothing is uploaded.
Documents
PDF Merger
Merge multiple PDF files into one in your browser — add files in order and download the combined PDF. Nothing is uploaded.
Documents
PDF Splitter
Extract specific pages or page ranges from a PDF into a new file in your browser. Nothing is uploaded.
Documents
PDF to Image Converter
Render PDF pages to PNG or JPEG images in your browser — pick resolution and download each page. Nothing is uploaded.
Attendance
Shift Schedule Generator
Generate a rotating shift roster from your staff and shift list — fair rotation with rest days, day-by-day grid you can copy or download.
Attendance
Rotating Shift Scheduler
Build a team-based rotating shift plan over several weeks — each team rotates through AM/PM/Night (and off weeks) on a fair cycle.
Documents
PDF Compressor
Shrink a PDF in your browser by re-rendering pages as compressed images at a chosen quality and resolution. Best for scans/image-heavy PDFs. Nothing is uploaded.
Documents
Document Scanner & Crop Tool
Turn a phone photo of a document into a flat, cropped scan in your browser — drag the four corners, apply perspective correction, and download. Nothing is uploaded.
From free tool to full system
Doing this manually every payroll cycle?
ERPat automates HRIS, payroll, attendance, recruitment, payslips, and government reports in one centralized system.
- PH payroll and statutory computation workflows
- Employee records, attendance, leave, overtime, and approvals
- Recruitment, onboarding, assets, and knowledge base modules