All tools
780 free utilities, grouped by category. Start typing to filter.
💰Financial & Currency
- 1099 vs W-2
- Amortization Schedule
- Annual to Monthly Rent
- Approval Delay Cost
- Auto Loan
- Billable Hours to FTE
- Bonus Withholding
- Capital Gains
- Car Depreciation
- Card Rate Comparison
- Cash Conversion Cycle
- Compound Interest
- Compressed Workweek Pay
- Creative Fatigue Review
- DCC vs Local Currency
- Early Payment Discount
- EV Charging
- Fee Drag
- Fee to Day Rate
- Idle Fuel Cost
- License Renewal Cost
- Make-Ready Timeline
- Marginal vs Effective
- Meeting Cost
- Minimum Payment
- Mortgage Overpayment
- Mortgage PITI
- Mortgage Recast
- MRR to Contract Value
- Overseas Card Cost
- Page Test Duration
- Payment Terms
- Price per Square Foot
- Property Reserve
- Proposal Preparation Cost
- Reach and Frequency
- Rental Turnover Cost
- Roth vs Traditional
- Safe Harbor
- Salary Converter
- Sales Tax & VAT
- SALT Cap
- Seat to Usage Price
- Self-Employment Tax
- Shift Differential Pay
- SOP Checklist
- Split the Bill
- Standard vs Itemized
- Tenant Improvement
- Tiered Pricing Table
- Transfer Cost
- Trip Fuel Cost
- Vendor Scorecard
- Weekly to Monthly Capacity
- Wholesale Quote
💬English Exams & Writing
- Academic Tone Checker
- CEFR to IELTS
- Comma Splice Checker
- Essay Word Count
- Essay Writing Timer
- GPA Calculator
- IELTS Band Calculator
- Paragraph Balance
- Passive Voice Detector
- Readability Score
- Reading Speed Test
- Repeated Word Checker
- Revision Spacing Plan
- Score Expiry Date
- Sentence Length Checker
- Target Score Gap
- Title Case Converter
- Topic Sentence Extractor
- Typing Speed Test
- UK US Spelling
💻Developer & Code
- .env Converter
- Access Review Workload
- AI Batch Cost
- AI Context Budget
- AI Feature Cost/User
- AI Free-Tier Capacity
- AI Latency Budget
- AI Moderation Review
- AI Outage Fallback
- AI Output Budget
- AI Throughput Time
- AI Token Estimate
- Alert Interruption
- API Batch Deadline
- API Latency Budget
- API Migration Capacity
- API Monthly Transfer
- API Pagination Requests
- App DAU/MAU
- App Download Data
- App Event Volume
- App Retained Users
- App Rollout Duration
- AWS Subnet Capacity
- Backend Cost per MAU
- Backoff Total Delay
- Backup Storage Need
- Base Converter
- Base64 Encode / Decode
- Beta Feedback Review
- Branch Cleanup
- Bundle Reduction Plan
- Bundle Transfer Budget
- Cache Bandwidth Savings
- Cache-Control Builder
- Cache-Control Parse
- Caesar Cipher
- CDN Revalidations
- Certificate Workload
- Checkpoint Rework
- CI Cache Savings
- CI Minutes Overage
- CI Queue Clearance
- Cloud Anomaly Impact
- Column Letters
- Compression Savings
- Container Query Builder
- CORS Header Audit
- CPU Headroom
- Crash Impact
- Crash Triage Workload
- Cron Expression Parser
- CSP Formatter
- CSP Header Converter
- CSS clamp() Calculator
- CSS Gradient Generator
- CSS Grid Track Width
- CSS Keyframe Generator
- CSV Blank Rows
- CSV Column Extract
- CSV Column Mapper
- CSV Column Merger
- CSV Column Sort
- CSV Deduplicator
- CSV Delimiter Convert
- CSV Header Normalize
- CSV Shape Audit
- CSV Storage Footprint
- CSV to JSON
- CSV to Markdown
- CSV to SQL
- CSV Transpose
- Cubic Bezier Sample
- cURL to fetch
- Data Safety Audit
- Database Index Size
- Database Table Growth
- Dataset Sampling Plan
- DB Pool Capacity
- Delimited to Fixed Width
- Dependency Backlog
- DNS Migration Wait
- Docker Layer Size
- Drift Remediation
- Embedding Storage
- Entitlement Migration
- ENV Duplicate Keys
- Error Budget Burn
- Event Contract Generator
- Few-Shot Capacity
- Fingerprint Formatter
- Flag Cleanup Backlog
- Flag Rollout Size
- Flaky Test Waste
- Float Precision
- Freeze Backlog
- Glob Pattern Tester
- Hash Generator
- Hash Manifest Size
- Hotfix Engineering Cost
- HTML Entities
- HTML Table to CSV
- HTTP Header Normalize
- HTTP Status Codes
- ID Timestamp Decoder
- Idempotency Fixtures
- Image Pull Data
- Index Maintenance
- Invisible Characters
- JSON Array Sort
- JSON Dot Flatten
- JSON Edge Fixtures
- JSON Escape
- JSON Formatter
- JSON Key Frequency
- JSON Key Picker
- JSON Key Remover
- JSON Key Sorter
- JSON Minifier
- JSON Sample Rows
- JSON Schema from Sample
- JSON Size Analyzer
- JSON to CSV
- JSON to Go Struct
- JSON to JSONL
- JSON to TypeScript
- JSON to YAML
- JSON Transfer Savings
- JSON Unflatten
- JSONL Size Profile
- JSONL Validator
- JWT Decoder
- Knowledge Refresh Backlog
- Kubernetes CIDR Capacity
- Layout Shift Risk
- Localization QA
- Log Ingestion Bandwidth
- Log Line Counts
- Log Retention Storage
- Log Sampling Savings
- Lorem Ipsum Generator
- Markdown Link Extract
- Markdown to HTML
- Matrix to Components
- Memory Concurrency
- Memory Headroom
- Meta Tag Generator
- Metadata Workload
- Migration Lock Budget
- Minification Savings
- N+1 Query Count
- Nano ID Generator
- NDJSON Formatter
- On-Call Coverage
- OpenAPI Path Regex
- OpenAPI Request Example
- Pod Disruption Capacity
- Polling Staleness
- Postmortem Backlog
- Prompt Overhead
- Queue Drain Time
- Queue Visibility
- RAG Chunk Count
- RAG Ingestion Time
- RAG Overlap Cost
- RAG Retrieval Budget
- Rate Limit Completion
- Redirect Duplicate Check
- Regex Tester
- Release Notes Workload
- Release Support Load
- Replication Lag Risk
- Reranker Latency
- Responsive Image Slot
- Responsive Transfer
- Retry Amplification
- Review Queue Wait
- Rollback Support Volume
- Schema Context Overhead
- Screen & Viewport
- Screenshot Localization
- SDK Privacy Audit
- SDK Upgrade Capacity
- Secret Rotation Workload
- Security.txt Generator
- Semantic Cache Savings
- Semver Comparator
- Serverless Compute Cost
- Session Exposure Window
- SQL IN Clause Builder
- Staged Rollout Exposure
- Structured Retry Cost
- SVG to CSS Background
- Synthetic Check Volume
- Syslog Ingest Capacity
- Table to Model Class
- Text Diff Checker
- Tool-Call Tokens
- Update Adoption
- URL Encode / Decode
- URL Slug Generator
- UUID Generator
- Vector Memory
- Version Sunset Impact
- VPC Subnet Planner
- Webhook HMAC
- Webhook Recovery Plan
- Webhook Throughput
- Webhook Time Budget
- WebSocket Capacity
✏️Text & SEO Content
- Ad Asset Limits
- App Store Listing
- Bulk UTM Builder
- Caption Checker
- Case Converter
- Excel Formula Builder
- Find and Replace
- Hreflang Generator
- HTML Alt Audit
- HTML Canonical Check
- HTML Email Links
- HTML Heading Outline
- HTML JSON-LD Audit
- HTML Link Extract
- HTML Meta Extract
- HTML OG Audit
- HTML to Plain Text
- Keyword Density Checker
- LinkedIn Post Length
- Meta Description Length
- Play Store Listing
- Pseudo Localization Test
- Redirect Map Planner
- Robots Rule Test
- Sitemap URL Count
- SMS Character Counter
- Sort & Dedupe Lines
- Talk Length
- Text to Speech
- Word Counter
- X Post Counter
🌐Network & IP
🕑Date, Time & Timezone
- Age Calculator
- App Review Buffer
- Business Days
- Coursework Balance
- Date Calculator
- Date Format Tester
- Days Between Dates
- Deadline Buffer
- Epoch Rollover
- Excel Serial Date
- FILETIME Converter
- Focus Fragmentation Cost
- Hours Between Times
- HTTP Date Header
- ISO 8601 Date Format
- ISO 8601 Duration
- Play Test Deadline
- RACI Matrix
- Seconds to Duration
- Stopwatch & Timer
- Time Zone Meeting Planner
- Unix Timestamp Converter
🛒E-commerce & Pricing
- 3PL Break-Even
- Accessorial Charge Impact
- Account Hold Cost
- Affiliate Payout
- AI App Margin
- AI Catalog Enrichment
- AI Description Time
- AI Localization Cost
- AI Personalization Floor
- AI Search Recovery
- AI Support Savings
- Amazon FBA Calculator
- Annual Plan Discount
- App Ad Revenue
- App CPI Payback
- App Install Gap
- App Localization Budget
- App Paid Conversion
- App Payer Gap
- App Pre-Order Revenue
- App Price Increase
- App Rating Recovery
- App Refund Impact
- App Refund Reserve
- App Screenshot Budget
- App Store Commission
- App Subscription Funnel
- App Subscription LTV
- App Test Sample Size
- Backorder Clearance
- Barcode Generator
- Bin Location Labels
- BOGO Effective Discount
- Break-Even Discount Depth
- Budget Pacing
- Bundle Attach Profit
- Bundle Contribution
- CAC Payback Orders
- Campaign Daily Pace
- Cart Recovery Revenue
- Carton Shelf Space
- Channel Price Parity
- Chargeback True Cost
- Clearance Pace
- Container Load Planner
- Container Utilization
- Cost Per Page
- Coupon Campaign Cost
- Cross-Border Margin
- Cross-Border Payout
- Cycle Count Coverage
- Cycle Count Schedule
- Damage Write-Off
- Delivery Buffer
- Delivery Promise
- DIM Weight
- Discount Calculator
- Discount Leakage
- Dropship Max CPA
- Dunning Recovery
- Duplicate SKU Checker
- eBay Fee & Profit
- Economic Order Quantity
- Etsy Break-Even ROAS
- Etsy Payout
- Experiment Brief
- FBA Break-Even CPC
- Flash Sale Margin
- Free Shipping Floor
- Freight Capital Cost
- Freight Density
- Fuel Surcharge Impact
- Funnel Drop-Off Cost
- Gift Card Liability
- Grace Recovery Value
- IAP Net Revenue
- Import Landed Cost
- Incremental ROAS
- Inventory Aging Report
- Inventory Carrying Cost
- Inventory CSV Validator
- Inventory Days on Hand
- Kitting Capacity
- Landed Cost per Unit
- Lead-Time Buffer
- Listing Capacity
- Listing CSV Formatter
- Listing Pack Size
- MAP Price Floor
- Marketplace Reserve
- Markup vs Margin
- Migration Support
- MOQ Cash Need
- Offer Break-Even
- Order Exception Cost
- Order Lines to Labor
- Package Allocation
- Packaging Cost per Order
- Packaging Reorder Point
- Packaging Void Fill
- Pallet Capacity
- Pallets to Trailer Length
- Pause Cash Flow
- Payout to Net Margin
- Payout Working Capital
- Pick and Pack Labor
- Picking Capacity
- Play Pre-Reg Installs
- POD Profit
- Points Liability
- Preorder Capacity Gap
- Preorder Funding Gap
- Price Consent Exposure
- Price Elasticity
- Price Index
- Pricing Guardrails
- Processor Fees
- Product Photo Capacity
- Push Opt-In Funnel
- Quarantine Cash
- Receiving Dock Capacity
- Receiving Labor
- Refund Workload
- Reorder Point
- Representment ROI
- Reseller Break-Even
- Return Inspection
- Return Rate Impact
- Return-Adjusted Payout
- Returnless Refund
- Returns Inspection Labor
- Reverse Logistics Cost
- Reverse Marketplace Fee
- Review Response Load
- Review Summary Audit
- Shipping Claim ROI
- Shipping Insurance
- Shopify Payment Fees
- Shopify Plan Break-Even
- Stockout Lost Sales
- Storage Cost per SKU
- Subscription Box Economics
- Supplier Defect Cost
- Support Backlog
- Support Staffing
- Surcharge Margin Loss
- Sustainable Price
- TikTok Shop Profit
- Trial Cohort Revenue
- Unit Price Compare
- UTM Naming Generator
- Vehicle Expense CSV
- Walmart Seller Profit
- Weekend Backlog
- Wholesale Order Profit
- Wholesale Price Ladder
📊Math & Statistics
🎨Design & Color
- Aspect Ratio
- Bleed mm to Pixels
- Booklet Creep
- Border Radius
- Border Style Generator
- Box Shadow Generator
- Chart Palette Generator
- Color Swatch Sheet
- Colour Blind Check
- Colour Palette Generator
- Colour Palette Harmony
- Contrast Checker
- Dark Mode Palette
- Greyscale Weights
- Hex Opacity Calculator
- Hex Shorthand
- HEX to RGB
- HSL / HSV Converter
- Ink Coverage Cost
- Label Sheet Yield
- Named Colour Finder
- px to rem
- RGB to CMYK
- Tiled Poster Pages
🏃Health & Fitness
🎥YouTube Creator Tools
- Affiliate EPC
- AI Provenance Workload
- AI Repurposing Capacity
- AI Review Workload
- AI Script Time Savings
- AI Thumbnail Budget
- AI Voiceover Duration
- Approval Capacity
- Asset Reuse Value
- B-Roll Shot List
- Banner Safe Area
- Brief Capacity
- Cadence Gap
- Caption Cleanup Time
- Channel Concentration
- Chapter Drop-Off
- Chapter List Formatter
- Chapter Topic Coverage
- Chapter Validator
- Community Engagement
- Competitor Cadence
- Content Backlog Burn
- Content Production ROI
- Content Runway
- Creator Affiliate Funnel
- Creator AI Break-Even
- Creator Capacity
- Creator Gear Budget
- Creator Net Income
- Creator Tax Reserve
- Demand vs Competition
- Deposit Runway
- Description Builder
- Description Keyword Depth
- End Screen Conversion
- End Screen Layout
- End Screen Opportunity
- End Screen Reserve
- Equipment Reserve
- Guest Booking Funnel
- Hook Retention Gap
- Impression Watch Time
- Invoice Delay Reserve
- Keyword Business Value
- Keyword Cluster Coverage
- Keyword Opportunity
- Keyword Overlap
- Keyword Priority
- Keyword Seasonality
- Keyword Trend Growth
- Late Payment Cost
- Length Deviation
- Live Viewer Ratio
- Livestream Data Usage
- Loop Total Watch Time
- Median View Benchmark
- Membership Churn Loss
- Membership Net Revenue
- Metadata Coverage
- Mobile Thumbnail Text
- Newsletter Break-Even
- Newsletter QA
- Newsletter Sponsor CPM
- Opening Viewer Loss
- Outreach Funnel
- Playback Speed Duration
- Playlist Completion
- Podcast Break-Even
- Podcast Sponsor CPM
- Premiere Reminder
- Question Coverage Gap
- Repurposing Workload
- Research Coverage
- Retainer Utilization
- Returning Viewer Ratio
- Revision Labor Cost
- Scope Creep Hours
- Search Freshness
- Search Intent Fit
- Search Result Age
- Search Traffic Potential
- Search Watch Share
- Shortlist Capacity
- Shorts Conversion Funnel
- Shorts Safe Height
- Sponsor Delivery Pace
- Sponsor Inventory
- Sponsor Makegood Gap
- Sponsor Margin
- Subscriber Projection
- Subscriber Watch Share
- Subtitle Gap Check
- Subtitle Reading Speed
- Subtitle Time Rescaler
- Subtitle Timing Shifter
- Text to SRT
- Thumbnail CTR Lift
- Thumbnail Test Size
- Timestamp Link
- Title Keyword Depth
- Title Keyword Share
- Traffic Concentration
- Trend Acceleration
- Upload Consistency
- Video Break-Even Views
- Video Production Time
- Video Storage Need
- View Velocity
- Viewer Conversion
- Views per Subscriber
- Views per Viewer
- Watch Time per 1K
- Weighted Interest
- Words to Shot Count
- YouTube A-B Loop
- YouTube Card CTR
- YouTube CTR Target
- YouTube Embed Code
- YouTube File Names
- YouTube Hashtag Limit
- YouTube ID Batch
- YouTube Link Cleaner
- YouTube Repeat
- YouTube Retention
- YouTube RPM Revenue
- YouTube Shorts RPM
- YouTube Sponsor Rate
- YouTube Tag Capacity
- YouTube Thumbnail
- YouTube Title Length
- YouTube Video ID
- YouTube Watch Hours
🖼️Image & Photo Tools
📏Productivity & Units
- Attachment Limits
- Baker's Percentage
- Batch Cooking Planner
- Batch Pan Capacity
- Battery Ah to Wh
- Celsius to Fahrenheit
- Cups to mL
- Displacement Calc
- Drive Capacity
- Electricity Tariff Units
- EV Charging CSV
- EV Route Buffer
- EV Winter Range
- Feet to cm
- Fleet Charging Ports
- Gearing & RPM
- GSM Basis Weight
- kg to Pounds
- MB to GB
- Measured Economy
- Morse Code
- MPG to L/100km
- MPGe to kWh/100 mi
- Number to Words
- Oven Schedule Planner
- Oven Temperature Converter
- Pages to Study Sessions
- Pan Converter
- Paper Sizes
- Peak Sun Hours
- Photo Storage
- Roman Numerals
- Square Footage
- Text to Binary
- Tire Speed Difference
- Torque & Power
- Towing & Payload
- Video File Size
🏠Home & Construction
- AC BTU Sizing
- ACH Airflow
- Attic Ventilation
- Battery Window Planner
- Carpet Seam Planner
- Circuit Load Diversity
- Concrete Calculator
- Contractor Quote Compare
- Deck Boards
- Deck Joist Hardware
- Dehumidifier Removal Cost
- Drywall Calculator
- Drywall Compound
- EV Charging Loss
- Firewood Cord
- Generator Sizing
- Grass Seed
- Gravel Calculator
- Grout Calculator
- Insulation Calc
- Load Schedule Validator
- Lumens Calculator
- Multi-EV Charge Planner
- Paint Calculator
- Paver Calculator
- Rainwater Calc
- Renovation Timeline
- Retaining Wall
- Running Cost
- Sheet Cut Optimizer
- Shingle Calculator
- Solar Clipping Loss
- Solar Export Credit
- Solar Self-Consumption
- Solar Shading Loss
- Stair Stringer
- Standby Power Cost
- Stud Calculator
- Three-Phase Energy
- Tile Calculator
- TOU Appliance Scheduler
- Voltage Drop
- Wallpaper Rolls
- Water Heater Size
No tool matches that filter yet — try a broader word.