15 free tools
Encoding & Developer
Encode, decode, format and inspect data: Base64, URLs, JSON, CSV, hashes, JWTs, timestamps and more. Every tool runs in your browser, so nothing is uploaded.
- Base64 EncodeTEXT → BASE64Turn any text into Base64.
- Base64 DecodeBASE64 → TEXTPaste a Base64 string to turn it back into normal text.
- Base64 to ImageBASE64 → IMAGEPaste a Base64 string or a full data:image URI to preview the image and download it as a file.
- Image to Base64IMAGE → BASE64Drop an image to get its Base64 in the format you need: a data URI, raw Base64, a CSS background rule or an HTML img tag.
- URL Encode / DecodeTEXT → URLMake text safe to put in a URL, or turn a percent-encoded string like %E2%9C%93 back into readable text.
- HTML Entity Encode / DecodeTEXT → HTMLEscape text so it displays literally in HTML, or decode entities such as &, < and © back into the characters they stand for.
- JSON Formatter & ValidatorJSON → JSONPaste JSON to pretty-print it, minify it, or find out exactly where it’s broken.
- JSON to CSVJSON → CSVTurn a JSON array of objects into a spreadsheet-ready CSV.
- CSV to JSONCSV → JSONPaste CSV from a spreadsheet or export to get clean JSON.
- Unix Timestamp ConverterEPOCH → DATEConvert a Unix timestamp to a readable date, or a date to a timestamp.
- Binary, Hex & Decimal ConverterBIN → HEXType a number in any box and the others update instantly.
- Text to BinaryTEXT → BINARYConvert text into 8-bit binary bytes, or translate binary code back into readable text.
- JWT DecoderJWT → JSONPaste a JSON Web Token to read its header and payload.
- Hash Generator (MD5, SHA-256)TEXT → HASHGet the MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or any file at once, and paste a checksum to check if it matches.
- UUID GeneratorRANDOM → UUIDGenerate one or a thousand random v4 UUIDs, formatted the way your code expects.