Privacy-First Developer & Utility Tools
A suite of essential tools that run 100% client-side. Your data never leaves your computer — no server tracking, no logs, complete security.
JSON Formatter & Validator
Format, prettify, validate, and minify JSON code instantly in your browser. Includes a collapsing syntax inspector and inline validation error notices.
Base64 Encoder & Decoder
Encode raw text or image files to Base64 format, or decode Base64 strings back to readable text and file assets without uploading code to any server.
URL Encoder & Decoder
Encode special characters in query URLs or decode encoded strings back to query parameters. Highly useful for API parameter diagnostics.
Image Resizer & Converter
Resize, crop, and convert images to PNG, JPEG, or WebP. Adjust quality settings. Everything processes inside your browser using HTML5 Canvas.
Free Barcode Generator
Generate customized high-resolution barcodes including Code 128, Code 39, and EAN-13. Download as vectors (SVG) or pixel-perfect image files.
Secure Password Generator
Generate highly secure random passwords or cryptographically strong API keys with customizable rules (numbers, uppercase, lowercase, special characters).
Text Case Converter
Instantly format lists or text blocks into UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, or web-friendly url slugs.
CSV & JSON Converter
Convert tabular spreadsheet data (CSV/TSV) into structured JSON arrays, or convert JSON records back to standard CSV files instantly.
UUID / GUID Generator
Generate single or bulk Version 4 RFC 4122 compliant UUIDs (GUIDs) using cryptographically secure browser-side random values.
Lorem Ipsum Generator
Create customized paragraphs, sentences, words, or lists of dummy Lorem Ipsum placeholder text for visual mockups and designs.
Markdown Editor & Previewer
Write rich text drafts in standard Markdown syntax and preview rendered HTML output side-by-side with live compilation.
Epoch Timestamp Converter
Convert Unix Epoch timestamps (seconds and milliseconds) to human calendar dates, or convert human dates back to epoch time.
HTML Entity Encoder & Decoder
Safely escape HTML syntax characters into code-compliant entities, or decode escaped entities back into raw tag structures.
Git Branch & Commit Generator
Format Jira and Linear tickets into standardized git branch titles, conventional commits, and pull request names automatically.
App Screenshot Mockup Builder
Transform plain screenshots into beautiful storefront graphics. Embed images inside mobile or browser mockups with custom title overlays.
Image to SVG Vectorizer
Trace silhouettes, signatures, sketches, or custom monochrome logos from PNG or JPG into vector SVG path coordinates.
JWT Decoder & Inspector
Decode and inspect JSON Web Tokens (JWT) safely. View headers, payloads, claims, and signature parameters without sending data to servers.
SVG Optimizer & Minifier
Optimize and minify SVG vector images. Strip XML declarations, metadata, and comments to reduce file size instantly.
Cron Schedule Explainer
Translate complex 5-field crontab schedule expressions into clear, plain English text representations.
Keycode Event Finder
Press any keyboard key to inspect its Javascript event properties (key, code, which, modifiers) instantly.
SVG to PNG / JPG Converter
Convert SVG vector files or code strings into high-resolution PNG or JPEG images client-side. Set target scaling dimensions up to 8x resolution.
Image Format Converter
Convert PNG, JPG, WebP, GIF, and BMP formats instantly with batch processing, quality compression sliders, and ZIP archive downloads.
Online Text Editor & Word Counter
Write and format text with live word, character, and reading-time metrics, case converters, find & replace, and client-side autosave.
PDF Tools & Converter
Convert PNG/JPG photos into single or multi-page PDFs and merge multiple PDF documents offline client-side in your browser.
Color & Unit Converter
Convert color codes (HEX, RGB, HSL), CSS units (px ↔ rem ↔ em), and digital storage sizes (Bytes, KB, MB, GB).
Hash & Checksum Generator
Compute SHA-256, SHA-512, and SHA-1 cryptographic hashes for text or uploaded files. Verify checksum integrity offline.
XML ↔ JSON Converter
Convert XML documents and API payloads to JSON data objects or translate JSON code back into clean XML tags client-side.
Image Watermark Generator
Add custom text watermarks to photography, artwork, screenshots, and QR codes with customizable position, opacity, and styling.
Image Color Picker & Palette
Sample exact HEX, RGB, and HSL colors with an interactive magnifier lens, and extract dominant color palettes from any photo.
PDF Splitter & Page Extractor
Split PDF documents into separate pages or extract specific page ranges offline directly inside your web browser.
Image Cropper & Rotator
Crop, rotate 90°, and flip images with aspect ratio presets (1:1, 16:9, 4:3, 9:16) for social posts and photography.
Text Diff Checker
Compare two text blocks or code files line-by-line. Highlight additions, deletions, and modifications offline.
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