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18 browser-based utilities. Everything runs locally — nothing is uploaded.
Image
Image Compressor
Shrink JPG, PNG and WebP files with adjustable quality.
Image Converter
Convert between WebP, JPEG and PNG, in batches.
Image Resizer
Scale images to a maximum width and height, in batches.
Text
Word & Character Counter
Live word, character, sentence and reading-time counts.
Text Cleaner
Deduplicate, trim and sort lines of text.
Case Converter
camelCase, snake_case, kebab-case and five more, at once.
Slug Generator
Turn a title into a clean, SEO-friendly URL slug.
Developer
JSON Formatter & Validator
Format, validate and minify JSON with clear error messages.
Base64 Encoder & Decoder
Encode and decode text as Base64, UTF-8 safe.
URL Encoder & Decoder
Percent-encode or decode URLs and query strings.
JWT Decoder
Read a JWT's header and payload, with readable expiry.
Hash Generator
Compute SHA-1, SHA-256, SHA-384 and SHA-512 digests.
UUID Generator
Generate random v4 UUIDs, one or hundreds at a time.
Unix Timestamp Converter
Convert Unix timestamps to dates and back, both directions.
CSV to JSON Converter
Turn CSV, TSV or delimited data into JSON.