100% Free Client-Side JSON to CSV, CSV to JSON & Base64 Converters
Transform database exports, spreadsheets, and Base64 strings directly in your browser memory with enterprise-grade privacy.
Convert JSON to CSV Online
Paste your JSON payload or drop a .json file to instantly transform it into an Excel-ready CSV spreadsheet without sending your sensitive data to any server.
CSV to JSON Converter Online
Transform .csv files or pasted Excel tables into clean, formatted JSON object arrays in milliseconds inside your browser.
Image to Base64 Converter
Drop any image or icon to instantly get its raw Base64 string, Data URI, ready-to-use HTML <img> tag, and CSS background-image snippet.
Base64 to Image Converter
Paste your Base64 string (with or without the data:image prefix) to preview the image live, inspect pixel dimensions, and download it as JPG or PNG.
Compare Two JSON Files Online (JSON Diff)
Paste or upload two JSON files or strings to detect semantic differences, added, removed, or altered keys with automatic recursive key sorting and syntax validation.
Free Online JSON Formatter, Validator & Minifier
Paste your raw JSON payload to validate syntax with line and column error indicators. Beautify with 2 or 4 spaces or minify into a single line without uploading data to remote servers.
Free Base64 Text Encoder and Decoder with UTF-8
Encode any plain text string into Base64 format or decode Base64 strings to readable text in real time. Full international UTF-8 support handles accents and emojis direct.
Private Client-Side JWT Token Decoder & Debugger
Paste your JSON Web Token (JWT) to inspect Header algorithms, Payload claims, and Signature verification blocks. Automatically converts unix timestamps (exp, iat) into human dates without network transmission.
Free Online URL Percent-Encoder & Decoder Tool
Convert special characters into safe percent-encoding (%20, %26, %3D) for URL parameters, or decode complex campaign strings into human-readable text in real time.
Free Online XML to JSON & JSON to XML Converter
Transform XML documents into clean JSON or convert JSON structures back into formatted XML. Ideal for e-invoice auditing, RSS feeds, and legacy SOAP services without cloud uploads.
Free Online SHA-256, SHA-512 & MD5 Hash Generator
Generate cryptographic checksums (hashes) instantly for any text or file. Computes SHA-256, SHA-512, SHA-1, and MD5 via native browser Web Crypto API without uploading data.
Free Online YAML to JSON & JSON to YAML Converter
Transform YAML files into structured JSON or convert JSON objects to clean YAML with strict 2-space indentation. Designed for Kubernetes manifests, Docker Compose, GitHub Actions, and OpenAPI Swagger.
Interactive Visual JSON Tree Viewer & Inspector
Visualize deeply nested JSON payloads in a collapsible interactive hierarchy tree. Color-coded syntax highlights data types (strings, numbers, booleans, arrays) with live key searching.