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109 / 109 · tools found
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Background Remover
Remove backgrounds from photos online for free. Download a transparent PNG or WebP for product photos, portraits and designs. No signup required.
Image Compressor
Compress JPG, PNG and WebP images under 100 KB, 200 KB or 300 KB, or choose your own quality. Preview and compare results. Free, with no signup.
Image Cropper
Crop images online with a draggable selection, precise pixel controls and aspect ratio presets. Preview and download JPG, PNG or WebP in your browser.
JPG & PNG to PDF
Combine JPG and PNG images into a PDF, one image per page. Choose A4, Letter or image-sized pages.
Merge PDF
Combine PDF files in your chosen order into one downloadable document. Reorder files before merging.
Split PDF & Extract Pages
Select pages or ranges from a PDF and save them as a new PDF. Keep the pages you need in the order you choose.
QR Code Generator
Create a static QR code from text or a URL and download a PNG. No tracking link, registration or expiry is added.
Image Converter
Convert JPG, PNG, WebP, AVIF, TIFF, and SVG inputs for web, design, and sharing workflows.
Word Counter
Count words, characters, sentences, paragraphs, and reading time in one clean workspace.
JSON to CSV
Convert a JSON array of objects into CSV with headers, correct quoting and optional spreadsheet formula protection.
JSON Formatter
Format, minify, and validate JSON so you can debug APIs and clean payloads faster.
Background Replacer
Replace image backgrounds online with a solid color, gradient, or another photo for cleaner portraits and product visuals.
Image Resizer
Resize images online by exact width and height for websites, social uploads, ads, listings, and everyday publishing tasks.
Image Upscaler
Upscale smaller images online by 2x, 3x, or 4x with sharp high-quality resampling for web graphics and presentation-ready visuals.
Audio Converter
Convert common audio uploads to MP3, WAV, AAC, FLAC, OGG, or M4A.
Video Converter
Convert MP4, MOV, MKV, AVI, and WebM uploads into more convenient video formats.
Text Case Converter
Switch text between uppercase, lowercase, and title case instantly.
Slug Generator
Turn titles and phrases into clean URL slugs for blogs, product pages, and SEO workflows.
Color Converter
Convert HEX values into RGB and HSL for design systems and frontend work.
ASCII Converter
Translate plain text to ASCII codes and back again.
Base64 Converter
Encode plain text to Base64 and decode Base64 back into readable text.
Password Generator
Generate strong random passwords with adjustable length and character options.
Data Speed Converter
Convert Mbps, MB/s, and Gbps for internet, storage, and streaming comparisons.
Timestamp Converter
Convert Unix timestamps and ISO-style date values without opening a terminal.
BMI Calculator
Calculate body mass index from weight and height with a clear category result.
File Size Converter
Convert between bytes, KB, MB, GB, and TB for storage planning and upload limits.
Length Converter
Convert millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
Reverse String
Reverse text and strings instantly in your browser.
Word Replacer
Find and replace words or phrases in text with instant browser-side processing.
Word Sorter
Sort words alphabetically in ascending or descending order with clean output formatting.
Shuffle Sentences
Randomly shuffle and reorder sentences in text for testing, rewriting, or experimentation.
Rotate Unicode
Rotate the position of Unicode text characters left or right while preserving character integrity.
Text Flipper
Flip normal text into upside-down styled text instantly in the browser.
Convert UTF8 to Binary
Convert UTF-8 text strings into binary representations instantly in the browser.
CSV to JSON
Convert CSV files or pasted CSV strings into JSON format instantly online.
HTML BDO Generator
Wrap text in an HTML bdo element with left-to-right or right-to-left direction.
Binary to Decimal Converter
Convert binary numbers into decimal values instantly with support for large integer strings.
Octal to Binary Converter
Convert octal numbers into binary strings with grouping and copy-ready output.
Octal to Hex Converter
Convert octal values directly into hexadecimal format online.
Decimal to Hex Converter
Convert decimal integers into hexadecimal format with instant browser-side output.
Binary to Gray Code Converter
Convert standard binary strings into reflected Gray code with instant output.
Gray Code to Binary Converter
Decode reflected Gray code strings back into standard binary values.
Decimal to Gray Code Converter
Convert decimal integers into reflected binary Gray code values.
Gray Code to Decimal Converter
Convert reflected Gray code strings back to decimal numbers instantly.
Binary Bitwise AND
Perform a bitwise AND operation on multiple binary numbers with aligned output.
Binary Bitwise OR
Perform a bitwise OR operation on multiple binary numbers with instant calculation.
Binary Bitwise XOR
Perform a bitwise XOR operation on multiple binary numbers with instant calculation.
NAND Binary Calculator
Perform a binary NAND operation and return the inverted AND result for aligned binary strings.
AND Hex Numbers
Perform a bitwise AND operation on multiple hexadecimal numbers instantly.
OR Hex Numbers
Perform a bitwise OR operation on multiple hexadecimal numbers instantly.
XOR Hex Numbers
Perform a bitwise XOR operation on multiple hexadecimal numbers instantly.
NAND Hex Numbers
Perform a bitwise NAND operation on multiple hexadecimal values instantly.
Add Hex Numbers
Add multiple hexadecimal numbers together with instant results in hexadecimal format.
Multiply Hex Numbers
Multiply multiple hexadecimal numbers together instantly in the browser.
IP to Binary Converter
Convert IPv4 addresses into dot-separated 32-bit binary format instantly.
Percent To Em Converter
Convert CSS percent values into em units using a configurable base font size.
Add Calculator
Add multiple numbers together instantly from comma, space, or line-separated input.
Find Maximum Number
Find the largest number from a list of numeric values instantly online.
Variance Calculator
Calculate sample or population variance from a list of numbers with instant results.
Simple Interest Calculator
Calculate simple interest and total amount from principal, rate, and time period.
Flip A Coin
Flip a virtual coin and get a random heads or tails result instantly.
Friday The 13th Finder
Find every Friday the 13th between two dates with instant formatted results.
Find Time Difference
Calculate the duration between two times in hours, minutes, and seconds.
Average Calendar Date Calculator
Calculate the average of multiple calendar dates using browser-side date math.
Random Billing Address
Generate random US billing address data for demos, testing, and sample content.
Website Source Code Viewer
Fetch and display the HTML source of a public webpage directly from the server.
HTTP Header Checker
Check the response headers returned by a public URL and inspect key metadata quickly.
URL Expander
Reveal the final destination behind a shortened or redirected URL.
Website Favicon Downloader
Find and return the favicon URL for a public website quickly.
Wordpress Detector
Check whether a public website appears to use WordPress by inspecting its source and headers.
Github Repository Size Checker
Check the reported size of a public GitHub repository without cloning it locally.
YouTube Thumbnail Downloader
Extract public thumbnail image URLs from a YouTube video link or video ID.
Domain Age Checker
Look up the registration date of a domain using public RDAP data when available.
Matrix Addition Calculator
Add two matrices of the same size with instant numeric output.
Matrix Subtract Calculator
Subtract one matrix from another when both have the same dimensions.
Matrix Multiply Calculator
Multiply two matrices together with dimension validation and formatted output.
Matrix Transpose Calculator
Transpose any matrix by swapping its rows and columns instantly.
Matrix Determinant Calculator
Calculate the determinant of a square matrix directly in the browser.
Matrix Inverse Calculator
Calculate the inverse of a square matrix when the matrix is invertible.
Convolution Calculator
Calculate the discrete convolution of two numeric sequences with instant output.
Identity Matrix Generator
Generate an identity matrix of any requested size directly in the browser.
Random Number Matrix
Generate random numeric matrices with configurable dimensions and ranges.
Random Vector Generator
Generate random vectors with configurable size and numeric range.
Lucas Numbers Calculator
Generate Lucas numbers and sequence values with configurable term counts.
Linear Recurrence Calculator
Generate terms of a linear recurrence sequence from custom coefficients and initial values.
Octal to Gray Code Converter
Convert octal numbers into reflected binary Gray code values with instant browser-side output.
Gray Code to Octal Converter
Decode reflected Gray code back into standard octal values online.
Hex to Gray Code Converter
Convert hexadecimal values into reflected Gray code strings for digital logic work and quick checks.
Gray Code to Hex Converter
Decode reflected Gray code back into hexadecimal values instantly.
Decimal to BCD Converter
Convert decimal numbers into Binary Coded Decimal groups with clean copy-ready output.
BCD to Decimal Converter
Decode Binary Coded Decimal groups back into standard decimal values.
Octal to BCD Converter
Convert octal values into Binary Coded Decimal output for quick representation changes.
BCD to Octal Converter
Decode Binary Coded Decimal values and convert them into octal format instantly.
Hex to BCD Converter
Convert hexadecimal values into Binary Coded Decimal groups in one step.
BCD to Hex Converter
Decode Binary Coded Decimal input and convert the value into hexadecimal format.
Binary to IPv6 Converter
Convert a 128-bit binary string into full and compressed IPv6 address formats.
Binary to Negabinary Converter
Convert standard binary values into negabinary representation for number-system study and checks.
Encode Negative Binary
Encode signed decimal integers into negative binary representations such as twos complement, ones complement, sign-magnitude, offset binary, and negabinary.
Decode Negative Binary
Decode signed binary representations back into decimal values with support for several common formats.
Rotate Hex Digits
Rotate hexadecimal strings left or right by a chosen offset with clean normalized output.
Shuffle Hex Digits
Randomize the order of hexadecimal digits for testing, puzzles, and pattern experiments.
Convert Roman Numeral to Hex
Convert standard Roman numerals into hexadecimal values using the decimal value as the bridge.
Convert Hex to Roman Numeral
Convert hexadecimal values into Roman numerals through their decimal equivalents.
Tap Code
Encode text into classic Tap Code coordinates and decode Tap Code back into readable text.
Caesar Cipher
Encrypt and decrypt text with the classic Caesar shift cipher and configurable letter rotation.
Atbash Cipher
Transform text with the reciprocal Atbash substitution cipher instantly in the browser.
Affine Cipher
Encrypt and decrypt messages with the Affine substitution cipher using custom key values.
Vigenere Cipher
Encrypt and decrypt text with the Vigenere cipher using a keyword-based polyalphabetic shift.
Spell Calendar Date
Convert a calendar date into a spelled-out text version that is easier to use in formal content.