A harbor of free, fast tools
38 handy utilities — text, data, images, developer and finance tools — that all run offline in your browser. No signup, no upload, no tracking.
Text Tools
Count, transform, compare and clean up text — instantly in your browser.
Word & Character Counter
Count words, characters, sentences and paragraphs in real time.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by words, sentences or paragraphs.
Text Diff Checker
Compare two blocks of text and highlight added, removed and changed lines.
Find & Replace (with Regex)
Search and replace text using plain strings or regular expressions.
Data Converters
Convert between JSON, CSV, YAML, Base64, URL and HTML-entity formats.
JSON to CSV Converter
Convert JSON arrays into CSV and vice versa — with header detection.
JSON to YAML Converter
Convert JSON to YAML or YAML to JSON with full fidelity.
Base64 Encoder / Decoder
Encode text or files to Base64, or decode a Base64 string back to plain text.
URL Encoder / Decoder
Percent-encode URLs and query strings, or decode them back to readable text.
HTML Entity Encoder / Decoder
Encode special characters as HTML entities or decode entities back to text. Includes a searchable reference of 150+ entities.
Image to PDF Converter
Combine JPG, PNG or WebP images into a single PDF — no upload, no watermark.
Data URI Generator
Convert images, SVG and small files to data URIs for inline embedding in HTML, CSS or JSON. Smaller URL-encoding option for SVG.
Generators
Generate UUIDs, secure passwords, QR codes and cryptographic hashes.
UUID / GUID Generator
Generate RFC 4122 compliant UUIDs (v4) in bulk, instantly.
Secure Password Generator
Free, strong password generator — any length from 10 to 20+ characters, fully offline.
QR Code Generator
Generate QR codes from URLs, text, Wi-Fi credentials or contact info.
Hash Generator (MD5, SHA-1, SHA-256)
Compute MD5, SHA-1, SHA-256 and SHA-512 hashes for any text.
Image Tools
Compress, resize, convert, crop and sample colors from images — fully offline.
Image Compressor
Compress JPEG, PNG and WebP images in your browser without losing quality.
Image Format Converter
Convert images between JPEG, PNG and WebP — fully offline, no upload.
Image Resizer
Resize images to specific dimensions or scale by percentage.
Image Cropper
Crop images to any ratio or freeform selection, directly in your browser.
Color Picker from Image
Pick exact colors from any image and copy HEX, RGB or HSL values.
Developer Tools
Format JSON, decode JWTs, test regex, build cron expressions, minify code.
JSON Formatter & Validator
Pretty-print, minify and validate JSON with line-accurate error messages.
JWT Decoder
Decode a JWT token to view its header, payload and expiry — client-side only.
Regex Tester
Test regular expressions with live match highlighting and group capture.
Cron Expression Builder
Build cron expressions for Unix, Kubernetes, AWS EventBridge and Quartz — with a human-readable description and the next 5 run times.
AWS EventBridge Cron Generator
Generate 6-field AWS EventBridge cron expressions, see the next UTC run times, and copy ready-to-paste CloudFormation, Terraform and CLI snippets.
Kubernetes CronJob Schedule Generator
Build Kubernetes CronJob schedule strings, preview the next runs, and copy a complete CronJob YAML manifest.
HTML / CSS / JS Minifier
Minify HTML, CSS and JavaScript to reduce file size for production.
Finance Calculators
SIP, SWP, compound interest, ROI, retirement and inflation — no signup required.
SIP Calculator
Calculate returns on your Systematic Investment Plan with maturity value and wealth gained.
SWP / Retirement Distribution Calculator
Plan a Systematic Withdrawal Plan or retirement distribution — corpus depletion, monthly income and balance.
Compound Interest Calculator
Compute compound interest growth with monthly, quarterly or yearly compounding.
Investment Return (ROI) Calculator
Calculate ROI, annualized return and profit on any investment.
Retirement Savings Calculator
Estimate the corpus you need for retirement, adjusted for inflation.
Inflation Calculator
See how inflation erodes purchasing power over time.
Mortgage Calculator
Calculate monthly mortgage payments, total interest and full amortization — no signup, no email required.
Mortgage Payoff Calculator
See how much faster you pay off a mortgage and how much interest you save with extra monthly payments.
RMD Calculator
Calculate your IRS Required Minimum Distribution from a Traditional IRA or 401(k) using the Uniform Lifetime Table.
Coast FIRE Calculator
Find the Coast FIRE number — the nest egg today that grows to your retirement target with zero further contributions.