2026-08-20Keynou Team
Base64 Converter — Encode & Decode Online Free
Encode and decode Base64 online. Text, images, files supported. URL-safe mode, data URI generation. Free, browser-based, no signup.
Blog
Tips, tutorials, and insights about online tools
Active:Tag: data-tools
Showing 9 of 12 posts
2026-08-20Keynou Team
CSV to JSON Converter — Convert CSV Online Free
Convert CSV files to JSON online with automatic header detection and nested objects. Type inference, large file support. Free, no signup.
2026-08-20Keynou Team
Hash Generator — MD5, SHA-256, SHA-512 Online
Generate MD5, SHA-1, SHA-256, SHA-512 hashes online. Text and file hashing, hash comparison. Free, browser-based, no signup required.
2026-08-20Keynou Team
How to Convert CSV to JSON Online: Step-by-Step Guide
Transform CSV spreadsheet data into structured JSON. Header detection, nested objects, type inference. Free online, no signup.
2026-08-20Keynou Team
How to Convert JSON to CSV for Excel & Spreadsheets
Flatten nested JSON objects to CSV. Handle arrays, custom delimiters, open in Excel. Free online, browser-based, no signup.
2026-08-20Keynou Team
How to Decode a JWT Token Online for Free
Inspect JWT header, payload, and signature. View claims, expiration, and issuer. Supports HS256, RS256, ES256. Free online.
2026-08-20Keynou Team
How to Validate JSON Online: Syntax Check & Error Fix
Check JSON for syntax errors, missing commas, unclosed brackets. Get line numbers and fix tips. Free online JSON validator.
2026-08-20Keynou Team
JSON Converter Online — Convert Data to JSON Free
Convert CSV, XML, YAML to JSON online. Intelligent parsing, nested objects, validation. Browser-based, free, no signup required.
2026-08-20Keynou Team
JSON Formatter Online — Beautify & Validate JSON Free
Format, beautify, and validate JSON online. Collapsible tree view, syntax highlighting, minify option. Free, no signup, up to 5MB.
