RConverter — Free Online Tools

Fast, simple and private tools that work directly in your browser. No uploads, no sign-up. Browse 126 free image, text, developer and calculator tools.

Image Tools

Image Compressor — Shrink JPG, PNG and WebP file sizes in your browser without losing visible quality. No uploads, 100% private.
Image Resizer — Resize JPG, PNG or WebP images to exact pixel dimensions or a percentage scale, right in your browser.
JPG to PNG Converter — Convert JPG or JPEG images to PNG format instantly in your browser, with no quality loss on conversion.
PNG to JPG Converter — Convert PNG images to JPG format online, with adjustable quality and automatic background flattening.
Image Cropper — Crop images to a custom area or common aspect ratios directly in your browser, with a live preview.
Image to Base64 Converter — Convert an image file to a Base64-encoded data URI you can paste directly into HTML, CSS or JSON.
Background Remover — Remove or make transparent the background of a photo using color/edge based client-side processing.
JPG Compressor — Compress JPG/JPEG photos to a smaller file size while keeping good visual quality.
PNG Compressor — Compress PNG images by optimizing pixel data, ideal for screenshots, logos and graphics.
WebP Compressor — Compress WebP images to an even smaller size using adjustable quality settings.
Bulk Image Resizer — Resize many images to the same dimensions in one batch, right in your browser.
Bulk Image Compressor — Compress many JPG, PNG or WebP images at once without uploading them anywhere.
Image Rotator — Rotate an image by 90°, 180°, 270° or a custom angle, directly in your browser.
Image Flipper — Mirror an image horizontally or vertically in your browser.
Image to PDF Converter — Combine one or more images into a single PDF document in your browser.
PDF to Image Converter — Convert each page of a PDF into a JPG or PNG image, right in your browser.
JPG to WebP Converter — Convert JPG images to the modern, smaller WebP format.
WebP to JPG Converter — Convert WebP images back to the widely-supported JPG format.
PNG to WebP Converter — Convert PNG images to the smaller WebP format while keeping transparency.
WebP to PNG Converter — Convert WebP images to PNG for wider compatibility.
SVG to PNG Converter — Rasterize an SVG vector graphic into a PNG at your chosen resolution.
PNG to SVG Converter — Trace a simple PNG image into an SVG vector outline in your browser.
Photo Resizer for Instagram — Resize and crop photos to Instagram's exact post, story and profile dimensions.
Photo Resizer for Facebook — Resize photos and cover images to Facebook's recommended dimensions.
Photo Resizer for LinkedIn — Resize profile photos and banner images to LinkedIn's recommended dimensions.
YouTube Thumbnail Resizer — Resize an image to YouTube's recommended 1280×720 thumbnail dimensions.
Image Size Reducer — Reduce an image to a target file size (e.g. under 100KB) for form uploads.
Passport Photo Maker — Crop and format a photo to standard passport/ID photo dimensions.
Image Color Picker — Upload an image and click any pixel to get its exact HEX/RGB color value.
Grayscale Image Converter — Convert a color photo to grayscale (black and white) in your browser.
Image Watermark Tool — Add a text or logo watermark to your photos to protect and brand them.
Meme Generator — Add classic top/bottom caption text to any image to create a meme.
Image EXIF Data Viewer — Inspect a photo's EXIF metadata: camera model, date taken, GPS location and more.
Image EXIF Remover — Remove EXIF metadata (including GPS location) from a photo before sharing it.
Favicon Generator — Generate a favicon.ico and PNG favicon set from an image or logo.
Image Splitter — Split an image into equal grid pieces, useful for Instagram grid posts.
Collage Maker — Arrange multiple photos into a single collage layout in your browser.
Image DPI Changer — Change the DPI (dots per inch) metadata of an image, useful for print requirements.
Circle Crop Tool — Crop any photo into a perfect circle, ideal for profile pictures and avatars.
Image Border Adder — Add a colored or styled border/frame around a photo.
Sprite Sheet Splitter — Split a game sprite sheet into individual frame images by grid size.
Image Noise Reducer — Apply a light blur-based noise reduction filter to a grainy photo.
Image Sharpener — Apply a sharpening filter to enhance edge detail in a photo.
Image Brightness & Contrast Adjuster — Adjust a photo's brightness and contrast with live sliders.
Image Rounded Corners Tool — Add rounded corners of a custom radius to any image.
HEIC to JPG Converter — Convert Apple HEIC photos to the widely-compatible JPG format.
GIF to PNG Converter — Convert a GIF's first frame (or all frames) to PNG images.
Image to GIF Converter — Combine multiple images into a simple animated GIF.
Image Aspect Ratio Calculator — Calculate the correct height or width to keep an image's aspect ratio when resizing.
Transparent Background Maker — Turn a single solid-color background into transparency using color-key detection.
Image Pixelator — Apply a pixelation effect to blur out or stylize part of an image.
Image Blur Tool — Apply a Gaussian-style blur to an entire image or a selected area.
Image Contact Sheet Generator — Arrange a batch of photos into a labeled thumbnail contact sheet.
SVG Optimizer — Strip unnecessary metadata and whitespace from an SVG file to reduce its size.
Image Format Detector — Detect the true format of an image file by inspecting its bytes, regardless of file extension.
Old Photo Restorer (Sharpen & Contrast) — Improve a scanned old photo with sharpening, contrast and noise reduction presets.
Image Metadata Editor — View and edit editable EXIF fields like description or copyright on a photo.
Panorama Stitcher (Side-by-Side) — Join multiple photos edge-to-edge into a single wide panorama-style image.
Thumbnail Generator — Generate small, optimized thumbnail versions of an image for galleries and previews.
Image Format Converter — Convert an image between JPG, PNG, WebP and GIF formats using a single unified converter.
Compress Image to 100KB — Shrink a JPG or WebP photo to under 100KB automatically, right in your browser. No uploads.
Compress Image to 200KB — Shrink a JPG or WebP photo to under 200KB automatically, right in your browser. No uploads.
Social Media Image Resizer — Resize and crop images to common social post dimensions — square, landscape, portrait, story and cover formats.
GIF Compressor — Convert a GIF into a smaller, compressed static WebP or JPG image directly in your browser.
Compress Image to 500KB — Shrink a JPG or WebP photo to under 500KB automatically, right in your browser. No uploads.
Lossless Image Compressor — Re-encode an image as PNG with every pixel preserved exactly, stripping unnecessary metadata for a smaller file.
Resize Image by Pixels — Resize any image to an exact pixel width and height, with optional aspect ratio locking.
Resize Image by Percentage — Scale any image up or down by a percentage, keeping its exact proportions automatically.
Resize JPG — Resize a JPG image to an exact width and height directly in your browser.
Resize PNG — Resize a PNG image to an exact width and height directly in your browser, preserving transparency.
Resize WebP — Resize a WebP image to an exact width and height directly in your browser.
Resize Image to 1080x1080 — Resize and center-crop any image to a perfect 1080x1080 square, right in your browser.
Resize Image to 1920x1080 — Resize and center-crop any image to a Full HD 1920x1080 landscape frame, right in your browser.
Image Dimension Checker — Instantly check any image's pixel width, height, aspect ratio, megapixels and file size.

Generators

QR Code Generator — Generate a scannable QR code from any text, URL, Wi-Fi login or contact info, and download it as PNG or SVG.
Password Generator — Generate strong, random passwords with configurable length and character sets, entirely in your browser.

Text Tools

Word Counter — Instantly count words, characters, sentences and paragraphs as you type or paste text.
Character Counter — Count characters with and without spaces, useful for meeting strict character limits like tweets or meta tags.
Text Case Converter — Convert text between UPPERCASE, lowercase, Title Case, Sentence case and camelCase instantly.
Lorem Ipsum Generator — Generate classic Lorem Ipsum placeholder text by paragraphs, sentences or words, for mockups and layouts.
Remove Line Breaks — Strip line breaks from pasted text and join it into a single paragraph.
Duplicate Line Remover — Remove duplicate lines from a list of text, keeping only unique entries.
Text Sorter — Sort a list of lines alphabetically, numerically, or in reverse order.
Text Reverser — Reverse the characters or the word order of any text instantly.
Text to Speech Converter — Convert typed text into spoken audio using your browser's built-in speech synthesis.
Speech to Text Converter — Convert spoken words from your microphone into typed text using browser speech recognition.
Remove Extra Spaces — Collapse multiple spaces and trim leading/trailing whitespace from text.
Find and Replace Text — Find and replace all occurrences of a word or phrase in a block of text.
Text Diff Checker — Compare two blocks of text and highlight the differences between them.
Slug Generator — Convert a title or phrase into a clean, URL-safe slug.
Text to Handwriting Converter — Render typed text as a handwriting-style image using a web-safe cursive font.
Palindrome Checker — Check whether a word or phrase reads the same forwards and backwards.
Text Encryption Tool (Caesar Cipher) — Encrypt or decrypt text using a classic Caesar cipher shift.
Text Column Splitter — Split a block of delimited text (like CSV) into aligned columns for reading.
Word Frequency Counter — Count how many times each word appears in a block of text.
Reading Time Calculator — Estimate how long it will take an average reader to read your text.

Developer Tools

JSON Formatter — Format, validate and beautify JSON data with syntax highlighting and clear error messages.
Base64 Encoder — Encode plain text (including UTF-8 characters and emoji) to Base64 instantly in your browser.
Base64 Decoder — Decode a Base64 string back to plain UTF-8 text instantly in your browser, with clear errors on invalid input.
Markdown to HTML Converter — Convert Markdown syntax to clean HTML markup instantly, with a live preview.
JSON Minifier — Remove all unnecessary whitespace from JSON to minimize its size.
XML Formatter — Format and validate XML with proper indentation for readability.
URL Encoder — Percent-encode text for safe use inside a URL, query string or path segment, instantly in your browser.
URL Decoder — Decode a percent-encoded URL or query string back to plain text instantly in your browser.
HTML Minifier — Remove unnecessary whitespace and comments from HTML markup.
CSS Minifier — Remove whitespace and comments from CSS to reduce file size.
UUID Generator — Generate one or many random version-4 UUIDs for use as unique identifiers.
MD5 Hash Generator — Generate the MD5 hash of any text string in your browser.
JSON Validator — Check whether JSON is syntactically valid, with a precise line and column for any error found.
HTML Encoder — Convert special characters like <, >, & and quotes into safe HTML entities, instantly in your browser.
HTML Decoder — Decode HTML entities like &, < and " back into their literal characters, instantly in your browser.

Calculators

Unit Converter — Convert between metric and imperial units for length, weight, temperature, volume and more, instantly.
Percentage Calculator — Calculate percentages, percentage increase/decrease, and what percent one number is of another.
BMI Calculator — Calculate your Body Mass Index (BMI) from height and weight, with metric and imperial units supported.
Age Calculator — Calculate your exact age in years, months and days from your date of birth, or the time between two dates.
Tip Calculator — Calculate the tip amount and total bill, with an option to split between people.
Discount Calculator — Calculate the final sale price and amount saved from an original price and discount percentage.
Loan/EMI Calculator — Calculate the monthly payment (EMI) for a loan given principal, interest rate and term.
Random Name Generator — Generate random first and last names for characters, testing or inspiration.
Random Word Generator — Generate a list of random English words for games, prompts or naming.
Date Difference Calculator — Calculate the exact difference between two dates in years, months and days, plus the total day count.
Days Between Dates — Calculate the total number of days between two dates in one simple result.
Time Difference Calculator — Calculate the difference between two times of day in hours and minutes, including overnight spans.
Random Number Generator — Generate one or many random numbers within a custom range, with an optional no-repeats mode.
Random Color Generator — Generate a random color and view it instantly in HEX, RGB and HSL formats with a live preview.
Color Palette Generator — Generate a coordinated color palette from a base color using analogous, complementary, triadic or monochromatic rules.