Encoding & Data

B Encoding & Data Base64 Encode / Decode Encode text to Base64 or decode Base64 back to plain text entirely in your browser. Open tool

B Encoding & Data Base64 Image Encoder Encode an image to a Base64 data URI in your browser for CSS, HTML, or JSON embeds. Open tool

B Encoding & Data Base64 PDF Encoder Encode a PDF file to base64 or decode base64 back to a downloadable PDF. 5MB client-side cap. Open tool

B Encoding & Data Binary Converter Convert between binary, hexadecimal, decimal, and octal with live updates in your browser. Open tool

C Encoding & Data Cron Expression Explainer Explain common 5-field cron schedules in plain English so you can verify job timing before deploy. Open tool

C Encoding & Data CSV Schema Infer Paste CSV and infer column types (int, float, bool, date, string) in a summary table. Open tool

C Encoding & Data CSV to SQL Turn CSV tables into INSERT INTO statements in your browser. Set table name, batch size, and quote escaping. Open tool

F Encoding & Data Fake Data Generator Generate fake user JSON with name, email, UUID, and US-style address fields for fixtures. Open tool

H Encoding & Data Hash Generator Generate SHA-256 or SHA-1 digests from text using the Web Crypto API in your browser. Open tool

H Encoding & Data HTML Encode / Decode Escape or unescape HTML entities for safe embedding, template debugging, and content migration. Open tool

J Encoding & Data jq Playground Tiny jq-like subset for JSON: ., .key, .[], .[0] chaining. Not full jq. Open tool

J Encoding & Data JSON ↔ CSV Converter Convert between JSON arrays and CSV tables for spreadsheets, APIs, and data cleanup tasks. Open tool

J Encoding & Data JSON Path Tester Test JSON with a simple JSONPath-like path such as $.a.b[0] or dotted paths. Best-effort only; limits documented. Open tool

J Encoding & Data JWT Decoder Decode JWT headers and payloads to inspect claims during development, with optional HMAC signature checks. Open tool

J Encoding & Data JWT Secret Generator Generate random hex or base64 secrets of length N for JWT signing demos and local config samples. Open tool

P Encoding & Data PBKDF2 Hash Generator Derive a PBKDF2-SHA-256 password hash in the browser with salt and iteration controls. Honestly labeled as PBKDF2, not bcrypt. Open tool

U Encoding & Data URL Encode / Decode Encode or decode URL components for query strings, redirects, and safe parameter embedding. Open tool

U Encoding & Data UUID Generator Generate UUID v4 identifiers in your browser for fixtures, database seeds, and client-side IDs. Open tool

X Encoding & Data XML to JSON Converter Transform XML documents into JSON for modern APIs, scripts, and frontend tooling workflows. Open tool

Y Encoding & Data YAML ↔ JSON Converter Convert simple key/value YAML-like text and JSON for config drafts and quick structure checks. Open tool