Free Apps and ToolsNo Catch, No Subscription
New additions for files, fonts, code, audio, and data. Explore 394 new tools
Browse calculators by topic Finance, everyday life, construction, conversions, and more.
3623 apps · Showing 2977–3072
Developer Tools
273 appsDeveloper Tools: Parse & Understand
Developer Tools: Password Planning
Master Password Strength Checker
Check a password-manager master password with a high score and long-length target.
Password Comparison Tool
See which of two password ideas has the higher score and guess estimate.
Password Feedback Explainer
Get short, simple feedback about what weakens a password and what to change.
Password Improvement Lab
Add a private change and see whether it truly raises the guess score.
Password Safety Report Maker
Create a shareable score, pattern, and advice report with no password text inside it.
Wi-Fi Password Strength Checker
Review a Wi-Fi password with a strong length target and offline attack estimate.
Work Password Policy Checker
Test length, character rules, and zxcvbn strength in one clear work-policy report.
Developer Tools: Pattern Checks
Date Pattern Password Checker
Spot date patterns and recent years that can make a password easier to guess.
Dictionary Password Checker
Find dictionary words, common names, and familiar passwords inside one choice.
Keyboard Pattern Password Checker
Detect common keyboard walks that look complex but are quick to guess.
Password Pattern Finder
Spot dictionary words, repeats, dates, sequences, and keyboard paths in a password.
Personal Info Password Risk Checker
Add names or words an attacker may know and see whether they weaken the password.
PIN Strength Checker
Check a 4 to 12 digit PIN for repeats, sequences, dates, and guess difficulty.
Repeated Password Pattern Checker
Show repeats that make a password easier to predict, such as aaa or wordword.
Developer Tools: Preview & Convert
Developer Tools: Quality Checks
Developer Tools: Queries & Dependencies
Dependency Order Analyzer
Find a workable order for tasks that depend on each other. Check for loops that make the task order impossible.
jq JSON Query
Run a jq filter against JSON and download the transformed result.
Log Search Workspace
Search several log files with a regular expression and export matching lines with filenames and line numbers.
Developer Tools: Query & Find
JSON Duplicate Value Finder
Find repeated field values in a JSON array and list each duplicate one time.
JSON Path Value Finder
Use JSONata path steps to collect nested values without writing a loop.
JSON Record Lookup
Look up matching records in a JSON array with one simple equality test.
JSON Text Search Filter
Search a text field without case sensitivity and return each matching object.
JSON Unique Value Finder
Collect a field from many records and remove repeated values with JSONata.
JSONata Query Playground
Run a safe, capped JSONata expression against JSON and inspect the structured result.
Developer Tools: Review Code
JavaScript Complexity Snapshot
Show functions, branches, loops, catches, logical choices, and deepest syntax nesting.
JavaScript Conditional Inventory
Find if, switch, conditional, and logical expressions with source lines.
JavaScript Console Call Finder
List console method calls and their source lines before code is shipped.
JavaScript Identifier Frequency
Count identifier names and show their frequency, first line, and example role.
JavaScript Loop Inventory
Find for, for-of, for-in, while, and do-while loops with lines and nesting.
Developer Tools: Strength & Time
Batch Password Strength Checker
Check a small list of test passwords and export scores without exporting the passwords.
Passphrase Strength Checker
Measure a passphrase by its words, guess score, and estimated attack time.
Password Crack Time Estimator
Compare online and offline crack-time estimates without sending the password away.
Password Guess Count Estimator
Estimate the number of guesses and log-scale difficulty for one password.
Password Length Strength Checker
Compare password length with its real pattern-based score and safe length bands.
Password Strength Checker
Get an honest 0 to 4 score, safe advice, and a local crack-time estimate.
Developer Tools: Test Liquid Features
Liquid Array Filter Tester
Test common Liquid array filters against tags or other JSON lists.
Liquid Assign and Capture Tester
Test assign math and capture blocks before placing them in a larger template.
Liquid Case Statement Tester
Test case, when, and else branches against a JSON status or label.
Liquid Conditional Tester
Change JSON values and see which Liquid conditional branch renders.
Liquid Cycle Tag Tester
Preview repeating labels or row styles made with Liquid's cycle tag.
Liquid Date Format Tester
Test Liquid's date filter with a fixed sample time and clear format codes.
Liquid Default Value Tester
Test the default filter with present, blank, and missing JSON fields.
Liquid Filter Chain Tester
Test the order and result of a Liquid filter chain on real sample data.
Liquid For Loop Tester
Test for-loop indexes, first and last flags, limits, and array values.
Liquid Money Format Tester
Test division, rounding, and currency text for price values stored as cents.
Liquid String Filter Tester
Test capitalization, trimming, replacement, truncation, and other string filters.
Liquid Unless Tag Tester
Test Liquid's unless tag with stock, status, or customer data.
Liquid URL Handle Template Tester
Test lowercase, replacement, and cleanup filters for a basic URL handle.
Liquid Whitespace Control Tester
Compare normal Liquid delimiters with dash-trimmed tags and output marks.
Productivity
83 appsProductivity: Calendars & Time
Calendar Invite Maker
Make an .ics event file that opens in Apple Calendar, Google Calendar, Outlook, and more.
Holiday-Aware Workday Calculator
Add working days to a date while skipping weekends and public holidays in your country.
ICS Calendar File Inspector
Open an .ics calendar file and read its events in a clean, simple list.
Next Public Holiday Finder
Find the next public holiday after any date and count how many days are left.
Public Holiday Finder
See public holidays for a country and year, including observed days and local names.
World Meeting Time Planner
Compare one meeting across time zones and catch dates that move to another day.
Productivity: Cars & Vehicles
Car Ownership Cost Tracker
Combine logged fuel, servicing and other vehicle expenses. Compare categories and months, then export a dated ownership-cost report.
Fuel Fill-Up Diary
Log fuel purchases and track fuel consumption across repeated fill-ups. Handle partial tanks, missed entries and metric or imperial units.
Mileage-Based Service Reminders
Plan vehicle maintenance using dates, odometer readings or both. Track due targets, completion history and recurring intervals.
Repair Quote Versus Actual Tracker
Track repair estimates alongside final invoices. Keep the original quote, record completed work and see cost differences.
Used-Car Service History Pack
Prepare a selected vehicle maintenance history for sharing. Choose records, optional private fields and individual receipt attachments.
Vehicle Document Expiry Calendar
Organize vehicle registration, inspection and insurance dates with attached documents. Review upcoming targets and export calendar entries.
Vehicle Parts Inventory
Track spare parts and consumables for each vehicle. Record part numbers, suppliers, fractional quantities and usage history.
Vehicle Service History Organizer
Keep vehicle repairs, servicing, receipts and odometer readings together. Search your history and save browser-local backups.
Productivity: Coffee & Brewing
Coffee Brew Recipe Timer
Save your coffee dose, grind setting, water and brew timing. Repeat a favourite recipe with a persistent pause-and-resume timer, bloom markers and first-drip notes.
Coffee Tasting Journal
Keep coffee tasting notes, flavours and personal ratings alongside each brew recipe. Filter your journal and compare selected brews and beans side by side.
Productivity: Collections & Belongings
Productivity: Cooking & Baking
Baker’s Percentage Recipe Builder
Build and save bread formulas with flour at 100%. Add ingredient percentages, scale from flour weight or total portions and keep your recipe steps together.
Bread Fermentation Schedule
Turn your bread recipe into a timed baking checklist. Choose a saved formula, set a start time and plan mixing, fermentation, proofing, baking and cooling.
Productivity: Everyday Money
Bank Statement Reconciliation Helper
Compare your recorded account entries with a statement balance. Mark cleared transactions, review the exact difference and keep a dated reconciliation snapshot.
Envelope Budget Organizer
Assign recorded money to spending envelopes. See monthly activity, carried balances and money left to assign, including overspending and uncategorized expenses.
Household Cash-Flow Calendar
See recorded transactions and expected bills together by date. Project one account’s running balance, link posted payments and identify days with a negative balance.
Personal Expense Reimbursement Pack
Prepare a selected expense reimbursement report with dates, payees, categories and receipt references. Include related refunds and download a CSV or printable copy.
Personal Spending Categorizer
Categorize your spending from manual entries or a bank CSV. Review duplicate imports, assign categories and save exact-payee rules in a private local ledger.
Recurring Bill Detector
Find possible recurring bills in your recorded transactions. Review matching payees, dates and amounts, then confirm schedules for a household cash-flow projection.
Sinking-Fund Planner
Plan for a future purchase with a dated envelope target. Compare the current saved balance with the target and calculate a monthly amount from your chosen deadline.
Productivity: Family & Care
Baby Feeding Diary
Record feeds with start and end times, feeding method, optional amounts and caregiver names. Keep an editable diary and daily totals in this browser.
Baby Sleep Log
Log sleep and naps with saved timers or manual start and end times. Review daily sleep totals, including sleep that crosses midnight.
Baby Tummy-Time Log
Record tummy-time sessions with a timer or manual times. Keep observations, caregiver labels and daily recorded durations together.
Caregiver Handover Summary
Prepare a printable handover from recorded feeds, sleep, nappy changes and tummy time. Choose a child, date range and private fields to include.
Nappy Change Tracker
Keep a dated nappy-change diary with wet and solid labels, optional colour and notes. See the latest recorded change and daily counts.
Productivity: Food & Friends
Productivity: Gardening & Plants
Plant Care History
Keep watering, fertilising, repotting, treatments and observations in one dated plant journal. Correct older entries and export the history you need.
Plant Collection QR Labels
Create printable plant labels that open saved care instructions when scanned. Choose the label text and optional location, then download a QR image or print sheet.
Plant Growth Photo Diary
Compare dated photos of a plant as it grows. Keep captions, notes and optional height measurements alongside a browser-local image gallery.
Plant Watering Queue
Keep plant watering checks organized by date and location. Record watering, pause schedules and see the next check update from your care history.
Plant-Sitter Care Sheet
Prepare a clear handover for someone looking after your plants. Select plants, care instructions and optional details, then download a printable sheet.
Productivity: Home & Household
Borrowed Belongings Tracker
Remember who borrowed your belongings and when they should return. Keep active loans, record returns and download expected return dates.
Donation and Decluttering Tracker
Give possessions a next step: keep, donate, sell or lend. Organize items by location and record when donations or sales leave your household.
Household Battery Replacement Log
Record battery replacements and recharges for household devices. Keep battery types, change history and optional planned intervals in one place.
Personal Product Shortlist
Compare purchase candidates using your own criteria, prices, product links and notes. Group similar options and mark your chosen products.
Productivity: Home Inventory
Home Insurance Inventory Pack
Prepare a selected household inventory with purchase values, serial numbers, photos and receipts. Review the included fields and files before saving a room-grouped evidence pack.
Moving Box Finder
Find which moving box holds a possession. Give boxes unique names, place them inside rooms and search item names, tags, model numbers or serials.
Return-Window Reminder
Keep purchase receipts and user-entered return deadlines together. Review due-soon items, record what you kept or returned and save selected calendar reminders.