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273 apps · Showing 193–273
Developer Tools
273 appsDeveloper Tools: Inspect & Validate
Developer Tools: JSON Web Keys
JWK Key Pair Generator
Generate an RS256 or ES256 JWK pair and a stable key ID in your browser.
JWK Thumbprint Calculator
Calculate the RFC 7638 SHA-256 thumbprint and thumbprint URI for a JWK.
JWK to PEM Converter
Convert an RSA or EC JWK into a public SPKI or private PKCS8 PEM key.
JWKS Inspector
List key IDs, algorithms, uses, public fields, and thumbprints in a JWKS file.
JWKS Key Finder
Search a pasted JWKS for a matching kid and copy the exact public key.
PEM to JWK Converter
Convert a public SPKI or private PKCS8 RSA or EC key into JWK format.
Symmetric JWK Generator
Generate a 256-bit secret JWK for HS256 signing or A256GCM encryption.
Developer Tools: JWS & JWE
JWE Text Decryptor
Decrypt a direct A256GCM compact JWE with the passphrase used to make it.
JWE Text Encryptor
Protect text with direct A256GCM encryption and a passphrase-derived local key.
JWS Message Signer
Create a compact JWS for a text message with a shared secret kept in this tab.
JWS Signature Verifier
Check an HS256 compact JWS and reveal its text only after the signature matches.
Developer Tools: JWT Signing & Checks
JWT Claims Validator
Verify an HS256 token and require the issuer and audience your app expects.
JWT HS256 Signer
Turn JSON claims into a signed HS256 token with a secret that stays in this tab.
JWT Private Key Signer
Create an RS256 or ES256 token from claims and a local JWK or PKCS8 private key.
JWT Public Key Verifier
Verify an RS256 or ES256 token with a local public JWK or SPKI key.
JWT Signature Verifier
Check whether a JWT matches a shared secret, then read the verified claims.
Developer Tools: Numbers & Reports
JSON Average Calculator
Calculate the simple average of numbers collected from JSON records.
JSON Boolean Rule Checker
Evaluate a JSONata condition and return one clear true or false result.
JSON Data Summary Maker
Combine counts, totals, averages, and distinct values into one result object.
JSON Key Inventory
Use $keys to list top-level keys and the shared keys found in array records.
JSON Min and Max Finder
Return the minimum and maximum values from one numeric JSON field.
JSON Total Calculator
Sum numbers from a JSON array without moving the data into a spreadsheet.
JSON Value Type Inspector
Use $type to report the JSON type at several useful paths.
Developer Tools: Parse & Understand
JavaScript AST Explorer
Parse JavaScript into a clear table of syntax nodes and a downloadable AST.
JavaScript AST JSON Exporter
Parse JavaScript with locations and export its capped Acorn AST as JSON.
JavaScript Syntax Checker
Find the first JavaScript syntax error with its line, column, and nearby code.
JavaScript Syntax Error Explainer
Show the broken line, exact caret, parser message, and a short fix hint.
JavaScript Top-Level Statement Outline
List top-level imports, exports, declarations, classes, and other statements in order.
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.