A curated collection of developer cheatsheets, quick-reference guides, and utility scripts for SQL, JSON, Parquet, JWT, and 20+ other domains.
🌟 Try them live: Every tool discussed in these cheatsheets has a free, 100% client-side, interactive version available at Smart Formatter.
| Tool | Cheatsheet | Live Interactive Tool |
|---|---|---|
| SQL Validator | SQL Syntax Reference | Try Online → |
| Tool | Cheatsheet | Live Interactive Tool |
|---|---|---|
| JSON Unescape/Escape | Escape Sequences | Try Online → |
| JSON Minifier | Minification Guide | Try Online → |
| JSON Path Finder | JSONPath Syntax | Try Online → |
| GraphQL Formatter | GraphQL Cheatsheet | Try Online → |
| Tool | Cheatsheet | Live Interactive Tool |
|---|---|---|
| JSON to Excel/CSV | JSON to Tabular Data | Try Online → |
| Excel/CSV to JSON | Spreadsheet to JSON | Try Online → |
| TXT to CSV | Text Delimiter Guide | Try Online → |
| TSV to CSV | TSV & CSV Rules | Try Online → |
| Merge Excel Files | Merging Strategies | Try Online → |
| Parquet Viewer | Apache Parquet Guide | Try Online → |
| Tool | Cheatsheet | Live Interactive Tool |
|---|---|---|
| cURL to Axios/Fetch | cURL Conversions | Try Online → |
| JWT Decoder | JWT Claims & Anatomy | Try Online → |
| MD5 & SHA Checksum | Hashing Algorithms | Try Online → |
| URI Encode/Decode | URI Reserved Chars | Try Online → |
| Tool | Cheatsheet | Live Interactive Tool |
|---|---|---|
| Base64 to PDF | Base64 Decoding | Try Online → |
| PDF Stitcher | PDF Merging | Try Online → |
| PPT Compressor | PPT Optimization | Try Online → |
| PNG to Text OCR | OCR Best Practices | Try Online → |
| Tool | Cheatsheet | Live Interactive Tool |
|---|---|---|
| Unicode Converter | Unicode & UTF-8 | Try Online → |
| QR & UUID Generator | UUID v4 vs v7 | Try Online → |
| YAML Compare | YAML Syntax | Try Online → |
| List Compare | Set Theory Basics | Try Online → |
| Click Counter | Event Tracking | Try Online → |
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