Generate Schema Validate JSON Schema Version: Draft-07 2020-12 Sample: — choose preset — User Object Product Catalog API Response Copy Schema Clear Input JSON Chars: 0 Lines: 1 Generated JSON Schema // Schema will appear here after clicking Generate Schema Edit Schema Properties Property Type Description Required Apply Edits & Regenerate Copied to clipboard! What is JSON Schema? JSON Schema is a vocabulary that allows you to annotate and validate JSON documents. It describes the structure of JSON data — what properties an object should have, what types those properties must be, which fields are required, and what formats or constraints apply. A schema acts as a contract between producers and consumers of JSON data, making APIs more predictable and enabling automated validation, documentation generation, and code generation. ...

Convert JSON arrays to CSV and CSV back to JSON — right in your browser. No server, no upload, no external libraries. JSON → CSV CSV → JSON Delimiter Comma ( , ) Semicolon ( ; ) Tab ( ⇥ ) Pipe ( | ) Include header row Flatten nested JSON JSON Input Load Sample Clear CSV Output Copy Download Convert ↓ Preview How to use Choose the conversion direction — JSON → CSV or CSV → JSON — using the tabs. Paste your data into the left panel (or click Load Sample to try it). Pick a delimiter and toggle header / flatten options as needed. Click Convert. Use Copy or Download to grab the result. Nested JSON When Flatten nested JSON is checked, nested objects are flattened using dot notation. For example: ...

✓ Validate ☰ Format ⇄ Minify ▶ Tree View ✕ Clear ↥ Upload JSON Indent: 2 spaces 4 spaces Tab Sample: — load sample — User object Array of items Nested structure 📁 Drop a .json file here, or click to browse ⓘ Paste or type JSON above, then click Validate or Format. Path: — INPUT OUTPUT Copy Tree View Raw Related Tools Convert JSON to CSV → JSON to CSV Converter Format HTML → HTML Beautifier Test regex patterns → Regex Tester ...

🔒 Privacy first: All decoding happens entirely in your browser using JavaScript. Your token is never sent to any server. Signature verification is not performed — this tool is for inspection only. Paste JWT Token Load Sample JWT Clear Paste a JWT above to inspect it ...

Kanban Board Import JSON Export JSON Clear Board Add Card Title Description (optional) Priority label Cancel Delete Card Save Track habits alongside your tasks → Habit Tracker Focus with timed sessions → Pomodoro Timer Generate changelogs from your completed work → Changelog Generator ...

Enter two strings and instantly calculate their edit distance — how many single-character insertions, deletions, or substitutions it takes to transform one into the other. Visualize the full DP matrix, trace the edit path, and run batch comparisons. Everything runs in your browser with no server, no sign-up, no tracking. Single Pair Batch Mode String A String B Calculate ⇆ Swap Clear Case-sensitive Show DP matrix — Edit Distance — Similarity 0 Insertions 0 Deletions 0 Substitutions Similarity Step-by-step Edit Operations Dynamic Programming Matrix (highlighted cells = optimal path) Batch Compare Enter one pair per line, separated by a comma: word1,word2 ...

Code Mode Language: JavaScript / CSS Python / Shell HTML SQL Clear Upload File No file chosen Supports: .txt, .js, .ts, .py, .html, .css, .sql, .sh, .md, .json, and more ...

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Loan EMI → Loan EMI Calculator Savings goal → Savings Goal Calculator Loan Comparison Calculator Loan A Loan Name Principal ($) Annual Interest Rate (%) Term (Years) Loan B Loan Name Principal ($) Annual Interest Rate (%) Term (Years) Loan C (optional) Loan Name Principal ($) Annual Interest Rate (%) Term (Years) Calculate & Compare Reset Side-by-Side Comparison Cost Breakdown Chart Amortization Schedules Related Tools Debt Payoff Calculator Mortgage Affordability Calculator Mortgage Calculator ...

Enter your loan details below to instantly calculate your monthly EMI, total interest paid, and a full amortization schedule — no sign-up required, everything runs in your browser. ...