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AI Writer
AI
Generate articles, emails and text with AI.
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All Kivrum tools
Search 84 catalog entries, including 81 tools available to use now. Coming-soon pages are labeled clearly.
84 tools
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AI Summarizer
AI
Summarize long documents instantly.
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AI Translator
AI
Translate text into multiple languages.
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Remove Background
Images
Remove image backgrounds in seconds.
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Image Compressor
Images
Compress JPG, PNG and WebP images privately in your browser.
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Image Resizer
Images
Resize JPG, PNG, WebP and supported BMP images privately.
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Image Converter
Images
Convert JPG, PNG, WebP and supported BMP images privately.
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PDF Editor
Edit PDF files online with text, drawing, highlights, images, signatures, page tools and private local processing.
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Word to PDF
Convert Word text into PDF locally.
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Merge PDF
Combine multiple PDF files in your chosen order.
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Split PDF
Extract selected pages into a new PDF.
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Video Downloader
Video
Prepare permitted public video links in supported output formats.
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TikTok Video Downloader
Video
Download permitted public TikTok videos or prepare MP3 audio with an inline preview.
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Instagram Video Downloader
Video
Download permitted public Instagram videos and Reels or prepare MP3 audio.
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Facebook Video Downloader
Video
Download permitted public Facebook videos or prepare MP3 audio with a secure preview.
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Social Media Thumbnail Maker
Images
Create platform-sized social thumbnails locally with your own image, headline, and background.
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Media Converter
Media
Convert supported video and audio files with automatic temporary-file deletion.
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MP3
MP4 to MP3 Converter
Media
Extract MP3 audio from an MP4 file at 128, 192 or 320 kbps.
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MOV
MOV to MP4 Converter
Media
Convert QuickTime MOV videos to broadly compatible MP4 files.
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AVI
AVI to MP4 Converter
Media
Convert AVI videos to modern H.264 MP4 files.
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MKV
MKV to MP4 Converter
Media
Convert MKV videos to compatible H.264 MP4 files.
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WEBM
WebM to MP4 Converter
Media
Convert WebM video to an H.264 MP4 file.
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WAV
WAV to MP3 Converter
Media
Convert WAV audio to MP3 at 128, 192 or 320 kbps.
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FLAC
FLAC to MP3 Converter
Media
Convert FLAC audio to MP3 at 128, 192 or 320 kbps.
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M4A
M4A to MP3 Converter
Media
Convert M4A audio to MP3 at 128, 192 or 320 kbps.
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QR Generator
Utilities
Generate QR Codes instantly.
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Password Generator
Utilities
Generate secure passwords.
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Word Counter
Utilities
Count words, characters, sentences and reading time.
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Aa
Case Converter
Utilities
Convert text between uppercase, lowercase and other case styles.
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Text Reverser
Utilities
Reverse characters, words or sentence order locally.
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64
Base64 Encoder/Decoder
Developer
Encode UTF-8 text to Base64 or decode Base64 to text.
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URL Encoder/Decoder
Developer
Safely encode or decode URL components in your browser.
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#
UUID Generator
Developer
Generate one or multiple random UUID v4 identifiers.
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123
Character Counter
Utilities
Count characters, letters, numbers, spaces and lines instantly.
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β
Remove Duplicate Lines
Utilities
Remove duplicate text lines while preserving their original order.
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β
Sort Lines
Utilities
Sort text lines alphabetically, numerically or by length.
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/-
Slug Generator
Developer
Turn text into a clean, SEO-friendly URL slug.
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Random Number Generator
Utilities
Generate secure random numbers within a custom range.
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Li
Lorem Ipsum Generator
Utilities
Generate placeholder paragraphs, sentences or words locally.
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Unix Timestamp Converter
Developer
Convert Unix timestamps and local date/time values.
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Age Calculator
Utilities
Calculate an exact age and totals between two dates.
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Percentage Calculator
Utilities
Calculate percentages, ratios and percentage change.
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Color Converter
Developer
Convert HEX colors to RGB and RGB colors to HEX.
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BMI
BMI Calculator
Utilities
Calculate body mass index using metric or imperial measurements.
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Loan Calculator
Utilities
Estimate loan payments, interest and repayment totals.
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Tip Calculator
Utilities
Calculate a tip, bill total and amount per person.
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Unit Converter
Utilities
Convert length, weight, temperature, area, volume and speed units.
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Countdown Calculator
Utilities
Create a live countdown to a future date and time.
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JSON Formatter
Developer
Format JSON beautifully.
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β
Remove Extra Spaces
Utilities
Collapse repeated spaces and trim text lines.
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β
Remove Empty Lines
Utilities
Remove blank lines while preserving text order.
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β
Text Deduplicator
Utilities
Remove repeated words or lines from text.
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Γ
Text Repeater
Utilities
Repeat text with a configurable quantity and separator.
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Line Numbering
Utilities
Add configurable numbers to every text line.
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β
Find and Replace
Utilities
Find and replace literal text with useful matching options.
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β
Text Shuffle
Utilities
Securely shuffle words or lines in random order.
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Aa
Random Text Generator
Utilities
Generate secure random text with custom length.
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R13
ROT13 Encoder
Developer
Encode or decode text using the ROT13 substitution cipher.
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Morse Code Encoder/Decoder
Utilities
Translate text to and from International Morse code.
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HTML Escape/Unescape
Developer
Escape HTML-sensitive characters or decode entities.
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URL
URL Parser
Developer
Inspect URL components and query parameters.
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JWT
JWT Decoder
Developer
Decode JWT headers and payloads without verification.
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#
Hash Generator
Developer
Generate MD5 and SHA hashes from UTF-8 text.
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.*
Regex Tester
Developer
Test JavaScript regular expressions and capture groups.
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HSL
RGB/HSL Converter
Color
Convert colors between RGB and HSL with a live preview.
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Color Palette Generator
Color
Generate coordinated shades from a base color.
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Scientific Calculator
Utilities
Evaluate arithmetic and scientific functions locally.
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Discount Calculator
Utilities
Calculate savings, tax and final sale price.
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Password Strength Checker
Utilities
Check password composition and strength locally.
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Crop
Image Cropper
Images
Crop, rotate and flip images privately in your browser.
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Image Rotator
Images
Rotate, flip and crop images privately in your browser.
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64
Image to Base64
Developer
Convert an image into a complete Base64 data URL.
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IMG
Base64 to Image
Developer
Decode and download Base64 image data URLs.
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Favicon Generator
Images
Generate common favicon and app-icon sizes locally.
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Info
Image Metadata Viewer
Images
View basic image file properties and dimensions.
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CSV
JSON to CSV Converter
Developer
Convert arrays of JSON objects into CSV data.
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{}
CSV to JSON Converter
Developer
Parse CSV with headers into structured JSON.
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β
JSON Validator
Developer
Validate JSON syntax and inspect formatted output.
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XML
XML Formatter
Developer
Validate and format XML with readable indentation.
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CSS
CSS Minifier
Developer
Conservatively reduce CSS comments and whitespace.
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JS
JavaScript Minifier
Developer
Conservatively reduce JavaScript comments and whitespace.
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HTML
HTML Minifier
Developer
Remove HTML comments and collapse safe whitespace.
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AI Background Remover
Images
Remove image backgrounds automatically and download a transparent PNG.
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AI Image Upscaler
Images
Upscale images with AI and improve resolution while preserving detail.
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