Free Developer Tools
Format JSON, encode Base64, generate SHA-256 hashes, create UUIDs, and more. All developer tools run locally in your browser. Fast, free, and private.
All Free Developer Tools
JSON Formatter
Beautify and format JSON with syntax highlighting
JSON Validator
Validate JSON syntax and report errors instantly
Base64 Encode
Encode text or files to Base64 in your browser
Base64 Decode
Decode Base64 strings back to text or binary
SHA-256 Generator
Generate SHA-256 hashes of text or files
SHA-512 Generator
Generate SHA-512 hashes of text or files
MD5 Generator
Generate MD5 checksums for text or files
UUID Generator
Generate RFC-compliant UUIDs in bulk
URL Encoder
Percent-encode strings for safe URL inclusion
URL Decoder
Decode percent-encoded URLs and query strings
Why Use FileCraft Free Developer Tools?
FileCraft provides 10 free developer tools that run entirely in your web browser. Unlike other online tools that upload your files to remote servers, FileCraft processes everything locally using built-in browser technology. Your files never leave your device.
Every tool is completely free with no registration, no watermarks, no file size limits, and no usage caps. Just open the tool, select your file, and download the result. It takes seconds.
Key Features
- 100% browser-based, no file uploads to any server
- Free forever, no subscriptions or hidden costs
- No registration required, just open and use
- Batch processing support for multiple files
- Works on desktop, tablet, and mobile
- Near-native performance right in your browser