Free tools gallery.

Create QR codes for URLs, Wi-Fi credentials, contacts, and short text.

Format, validate, and inspect JSON payloads without uploading data.

Decode token headers and payloads while keeping secrets on-device.

Generate unique IDs for tests, fixtures, prototypes, and databases.

Create strong passwords with length, symbol, and readability controls.

Encode or decode Base64 strings for API testing and quick debugging.

Encode and decode query strings, redirect URLs, and copied parameters.

Test JavaScript regular expressions against sample text with matches.

Generate SHA hashes for text snippets, checksums, and signatures.

Convert Unix timestamps into readable local and UTC dates.

Compare meeting times across cities and remote-work time zones.

Count words, characters, sentences, and reading time for drafts.

Compare two snippets, docs, prompts, or config files side by side.

Preview README files, release notes, and docs before publishing.

Create clean CSS gradients and copy production-ready snippets.

Convert HEX, RGB, HSL, OKLCH, and named color values.

Extract a usable color palette from a product or brand image.

Shrink large screenshots and product images before uploading.

Resize images for avatars, social previews, uploads, and app stores.

Combine receipts, screenshots, and scans into a single PDF file.