# LegalCalculator.online > Free, instant, privacy-focused legal calculation engines and client-side document utilities running 100% locally inside the user's web browser. Zero server uploads, zero registration, zero tracking. Built for self-represented litigants, tenants, employees, plaintiffs, paralegals, and law firms. For the exhaustive reference containing complete mathematical formulas, 50-state statutory matrices, and procedural court rules, see [llms-full.txt](https://legalcalculator.online/llms-full.txt). ## Private Client-Side Document & PDF Tools (Zero Server Uploads) All document utilities run via WebAssembly and HTML5 Canvas inside the local browser memory. Files never leave the user's device, guaranteeing attorney-client privilege and confidentiality under ABA Model Rule 1.6 and HIPAA. - [Private PDF Merger](https://legalcalculator.online/tools/pdf-merge): Combine multiple PDF contracts, court exhibits, medical bills, and financial statements locally on device with drag-and-drop reordering. Zero upload latency. - [Legal Document Redactor & Blackout Tool](https://legalcalculator.online/tools/pdf-redact): Permanently black out Social Security Numbers (SSN), bank accounts, minors' names, and confidential trade secrets. Destructive pixel burning eliminates underlying text streams (prevents the "black highlighter" copy-paste blunder). - [Court Exhibit & Evidence Index Generator](https://legalcalculator.online/tools/court-exhibit-generator): Generate court-compliant Exhibit Divider pages and Master Evidence Index trial pleadings with docket headers. One-click US Letter PDF export and copyable monospace text for Word/Docs. - [Receipt & Evidence Photo to PDF Converter](https://legalcalculator.online/tools/image-to-pdf): Convert smartphone photos of physical damage, contracts, receipts, and checks into standardized Letter or A4 court PDF bundles with custom margins. - [Document Scanner & Signature Whitener](https://legalcalculator.online/tools/background-cleaner): Remove gray shadows, yellow lighting, and desk glare from phone photos of paper documents. Adaptive thresholding whitens backgrounds and extracts clean transparent ink signatures for digital signing. - [Tools Hub Directory](https://legalcalculator.online/tools): Central directory of all 5 in-browser private utilities. ## Core Statutory Legal Calculators - [Car Accident Settlement Calculator](https://legalcalculator.online/car-accident-settlement): Auto injury claim valuation using insurance algorithms (Colossus), medical special damages, pain and suffering multipliers (1.5x–5x), comparative negligence fault deductions (pure vs modified 51% bar), and contingency attorney fees. - [Wrongful Termination & Lost Wages Calculator](https://legalcalculator.online/wrongful-termination): Calculates wrongful discharge damages: accrued back pay, prospective front pay, lost retirement/health benefits, emotional distress, and statutory liquidated damages under Title VII, ADA, ADEA, and FMLA. - [Divorce Asset Division & Settlement Calculator](https://legalcalculator.online/divorce-asset-division): Community property (50/50) vs equitable distribution calculations, marital home equity buyouts, 401(k)/pension QDRO allocations, and cash equalization offsets. - [Personal Injury Settlement Multiplier Calculator](https://legalcalculator.online/personal-injury): Comprehensive personal injury recovery calculator combining economic losses with general pain and suffering multipliers (1.5x to 5.0x), medical subrogation lien offsets (ERISA/Medicare), and net client payout projections. - [Statute of Limitations Finder](https://legalcalculator.online/statute-of-limitations): Exact court filing deadline calculations across all 50 US states for personal injury, written contracts, oral agreements, medical malpractice, and property damage with tolling discovery rule guidance. - [6-Minute Billable Hours Converter](https://legalcalculator.online/billable-hours): Universal tenths of an hour (0.1) legal billing converter. Uses ceiling formula Math.ceil(minutes / 6) / 10 adhering to ABA Model Rule 1.5 ethical billing guidelines. - [Legal Retainer Fee Burn Estimator](https://legalcalculator.online/legal-fee-retainer): Forecasts retainer trust exhaustion, monthly burn rates, court filing disbursements, and IOLTA advance fee accounting. - [Child Custody & Parenting Time Split Calculator](https://legalcalculator.online/child-custody): Overnight parenting time split calculator, annual timeshare percentages, cross-credit adjustments, and shared custody thresholds (e.g. 128 overnights rule). - [Child Support & Alimony Estimator](https://legalcalculator.online/child-support-alimony): Net disposable income model calculating child support and spousal support under state income-share statutory guidelines. - [Pre & Post-Judgment Interest Calculator](https://legalcalculator.online/judgment-interest): Statutory pre- and post-judgment interest accrual by jurisdiction (NY 9%, CA 10%, TX 8.75%, FL 8.5%) with daily per diem rates and simple vs compound interest options. - [Severance Pay Package Estimator](https://legalcalculator.online/severance-pay): Calculates employment severance payouts: weekly tenure formula, accrued unused PTO payout, COBRA healthcare subsidies, and supplemental tax withholding. - [Breach of Contract Damage Estimator](https://legalcalculator.online/breach-of-contract): Computes compensatory expectation damages, incidental expenses, consequential lost profits, reliance damages, and mitigation reductions under UCC Article 2. - [Copyright Statutory Damage Estimator](https://legalcalculator.online/copyright-damage): Damage ranges under 17 U.S.C. § 504(c): Innocent infringement ($200–$750), Standard non-willful ($750–$30,000), and Willful infringement (up to $150,000 per registered work). - [Workers' Compensation Disability Estimator](https://legalcalculator.online/workers-comp): Average Weekly Wage (AWW), Temporary Total Disability (TTD 66.67% rate), and state statutory Scheduled Loss of Use (SLU) limb impairment awards. - [Tenant Security Deposit Penalty Calculator](https://legalcalculator.online/security-deposit): Calculates statutory bad-faith penalties (double/treble damages) for landlords failing to return deposits within statutory state deadlines (14 to 30 days). ## Authoritative Legal & Procedural Guides - [How to Redact a PDF for Court (Federal Rule 5.2)](https://legalcalculator.online/blog/how-to-redact-pdf-for-court): Mandatory privacy rules under FRCP 5.2, the Paul Manafort black highlighter blunder, what data must be redacted, and 4-step verification. - [How to Prepare Photo Evidence & Exhibits for Small Claims Court](https://legalcalculator.online/blog/prepare-photo-evidence-small-claims): Step-by-step evidence preparation: Exhibit A vs 1 labeling, photo caption anatomy, relevance/authentication, and 3-copy rules. - [How to Merge Legal Documents & Exhibits for Court E-Filing](https://legalcalculator.online/blog/merge-legal-documents-court-efiling): Federal CM/ECF and state portal file size caps (10MB–50MB), PDF/A requirements, chronological exhibit bundling, and client confidentiality ethics. - [Court Exhibit Cover Sheet & Evidence Index Templates](https://legalcalculator.online/blog/court-exhibit-cover-sheet-template): Free court exhibit cover sheet and evidence index templates for trial and small claims with Bates numbering guidelines. - [Car Accident Settlement Formula Guide](https://legalcalculator.online/blog/car-accident-settlement-guide): How insurance adjusters value auto injury claims, software algorithms (Colossus), and comparative negligence reductions. - [Wrongful Termination Settlement Guide](https://legalcalculator.online/blog/wrongful-termination-payout-guide): Comprehensive breakdown of back pay, front pay, emotional distress, and federal Title VII damage caps. - [Personal Injury Settlement Multiplier Guide](https://legalcalculator.online/blog/personal-injury-settlement-formula): In-depth analysis of 1.5x to 5.0x multipliers, ERISA and Medicare subrogation liens, and IRS tax exemptions. - [Statute of Limitations by State (50-State Reference Chart)](https://legalcalculator.online/blog/statute-of-limitations-by-state): Exhaustive jurisdictional reference chart for civil lawsuits, discovery rule tolling, and government tort notice rules. - [Child Custody & Support Calculation Rules](https://legalcalculator.online/blog/child-support-and-custody-calculations): Legal analysis of the Income Shares Model, 128-overnight shared parenting thresholds, and deviation factors. - [6-Minute Law Firm Billing Conversion Chart](https://legalcalculator.online/blog/6-minute-law-firm-billing-chart): Reference conversion tables for tenths of an hour, ethical rounding under ABA Model Rule 1.5, and IOLTA trust accounts. - [Legal Guides Hub](https://legalcalculator.online/blog): Central directory of all 10 legal procedural guides. ## Technical & Sitemaps - [Homepage](https://legalcalculator.online/): Main directory of all 15 calculators, 5 tools, and 10 guides. - [XML Sitemap Index](https://legalcalculator.online/sitemap.xml): Complete, validated XML sitemap index across all 38 canonical routes. - [Robots.txt](https://legalcalculator.online/robots.txt): Crawler specification allowing full indexing by search and AI user-agents. - [LLM Full Reference](https://legalcalculator.online/llms-full.txt): Comprehensive plain-text dataset containing all mathematical proofs, statutory rules, and procedural checklists.