Free Developer & Data Format Tools
Convert JSON to CSV, CSV to JSON, encode Base64 strings, and parse structured data client-side.
Free JSON Formatter & Validator
Beautify, validate, minify, and key-sort JSON with instant error messages.
Free YAML to JSON Converter
Convert YAML configs and Kubernetes manifests into formatted JSON.
Free JSON to YAML Converter
Convert JSON objects and APIs into clean, human-readable YAML.
Free XML to JSON Converter
Parse XML sitemaps, RSS feeds, and XML tags into JSON.
Free JSON to XML Converter
Serialize JSON data into standard structured XML documents.
Free JSON to TypeScript Converter
Generate clean TypeScript interfaces and type definitions from JSON payloads.
Free JSON to SQL Schema Converter
Generate SQL CREATE TABLE schemas and INSERT INTO statements from JSON.
Free SQL to JSON Converter
Parse SQL INSERT statements and rows into JSON records.
Free cURL to Fetch & Python Converter
Transform cURL commands into JavaScript fetch, Python requests, and Axios.
Free JWT Token Inspector & Decoder
Decode JSON Web Token headers, claims, and timestamps 100% locally in browser.
Free Base64 to PDF Converter
Decode Base64 strings into downloadable PDF documents in browser memory.
Free PDF to Base64 Converter
Encode PDF documents into clean Base64 data strings for embed storage.
Free CSV to Excel XLSX Converter
Bundle CSV spreadsheets into native Microsoft Excel (.xlsx) workbooks.
Free Excel XLSX to CSV Converter
Export Microsoft Excel sheets into clean comma-separated CSV tables.
Free JSON to CSV Converter
Convert JSON APIs and objects into spreadsheets and CSV tables.
Free CSV to JSON Converter
Parse CSV spreadsheets and tabular data into JSON structures.
Free PNG to Base64 Converter
Encode PNG image files into data:image/png;base64 strings.
Free SVG to Base64 Encoder
Convert SVG code into URI-encoded data strings for inline styling.
Free JPG to Base64 Converter
Convert JPG images to Base64 strings.
Why Choose ConvertStuff Free Developer & Data Format Tools?
No hidden subscriptions, no daily limits, and no paid tiers. Every conversion is completely free with no watermarks.
All files are processed in your browser memory via WebAssembly. Your documents and photos never leave your device.
Eliminate server upload delays. Conversions finish in under 2 seconds directly on your device CPU.