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Results for “Developer Tools” 40 shown
Developer Tools · partial
JSON Formatter
Beautify or minify JSON online with validation, copyable output, and clear error messages.
Developer Tools · partial
JSON Validator
Validate JSON online. See pass/fail status, parse errors, root type, size, and a pretty copy when valid.
Developer Tools · partial
URL Encoder
Percent-encode text for URLs. Choose RFC 3986 (raw) or form-urlencoded style.
Developer Tools · partial
URL Decoder
Decode percent-encoded URL text. Supports RFC 3986 and form-urlencoded styles.
Developer Tools · partial
Base64 Encoder
Encode text to Base64 online. Optional URL-safe alphabet. Copy the result in one click.
Developer Tools · partial
Base64 Decoder
Decode Base64 to text online. Supports URL-safe variants and shows hex when data is not UTF-8.
Developer Tools · partial
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512, and CRC32 hashes from text. Copy any digest instantly.
Calculators · related
Standard Calculator
Free online standard calculator for addition, subtraction, multiplication, and division — with keyboard support, memory,...
AI Tools · related
AI Summarizer
Summarize long text into clear, concise key points with AI assistance.
Calculators · related
Age Calculator
Calculate exact age from date of birth in years, months, and days — free, private, and leap-year accurate.
Generators · related
QR Code Generator
Create QR codes from text or URLs and download PNG or SVG.
Text Tools · related
Case Converter
Convert text to UPPER, lower, Title, Sentence, camelCase, snake_case, kebab-case, and more.
PDF Tools · related
Merge PDF
Combine multiple PDF files into a single document in seconds.
Text Tools · related
Reverse Text
Reverse characters, words, or lines of any text. Unicode-aware character reverse.
Calculators · related
Area Calculator
Calculate area for common shapes: rectangle, triangle, circle, and more in one helper hub page.
Text Tools · related
Remove Duplicate Lines
Remove duplicate lines from lists while keeping first occurrences. Optional case-insensitive and trim modes.
Calculators · related
Salary Calculator
Convert between hourly, monthly, and annual salary figures for quick compensation comparisons.
Text Tools · related
Text Sorter
Sort lines A–Z, Z–A, or randomly. Optional case-sensitive and unique-line modes.
Text Tools · related
Sentence Counter
Count sentences in essays and articles. Also shows words, characters, and paragraphs.
Text Tools · related
Word Counter
Count words, characters, sentences, and paragraphs in any text. Copy a clear summary instantly.
Calculators · related
Pricing Calculator
Set target prices from cost, desired margin, tax, and discount assumptions.
Generators · related
CSS Gradient Generator
Build linear or radial CSS gradients with live preview and copyable CSS.
Generators · related
Barcode Generator
Generate Code 128, Code 39, EAN, and UPC barcodes as PNG or SVG.
Tax & Salary · related
United States Salary & Tax Calculator
Free US salary tax calculator — federal income tax, Social Security, and Medicare for tax years 2025 and 2026.
Tax & Salary · related
Pakistan Salary & Tax Calculator
Free Pakistan FBR salary tax calculator — pick a tax year, enter monthly salary, see tax and take-home pay.
Tax & Salary · related
United Kingdom Salary & Tax Calculator
Free UK salary tax calculator — Income Tax, National Insurance, and a 5% pension estimate for 2025–2026 and 2026–2027.
Calculators · related
Concrete Calculator
Estimate concrete volume in cubic yards or meters from length, width, and thickness for slabs and pads.
PDF Tools · related
Protect PDF
Add a password to open a PDF and restrict printing/copying.
PDF Tools · related
Reorder PDF Pages
Reorder PDF pages by specifying a new page sequence.
PDF Tools · related
Split PDF
Split a PDF into separate single-page PDF files.
Calculators · related
Attendance Calculator
Calculate attendance percentage and estimate how many classes you can miss while staying above a required minimum.
Text Tools · related
Character Counter
Count characters with and without spaces, plus words and lines. Ideal for limits and bios.
Calculators · related
Date Calculator
Add or subtract days, weeks, months, or years from a date to find a future or past calendar day.
Calculators · related
Fraction Calculator
Add, subtract, multiply, and divide fractions with automatic simplification.
PDF Tools · related
Rotate PDF
Rotate all pages or selected pages by 90°, 180°, or 270°.
Calculators · related
Algebra Calculator
Solve common algebraic expressions and simple equations with step-oriented result explanations.
Calculators · related
Grade Calculator
Compute overall course grade from weighted assignments, quizzes, exams, and projects.
Image Tools · related
JPG to PNG
Convert JPG/JPEG images to lossless PNG.
Image Tools · related
Resize Image
Resize images by width, height, or both while preserving quality.
Calculators · related
Cube Calculator
Calculate cube volume, surface area, and face diagonal from side length.
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