All tools

Every tool runs in your browser

Pick a conversion. Files are read locally and never uploaded.

Developer & CTF tools

Base64 encode & decode
Encode text to Base64 or decode it back — instantly in your browser.
JSON formatter & validator
Beautify or minify JSON and catch errors — right in your browser.
URL encoder & decoder
Percent-encode text for URLs or decode it back — in your browser.
UUID generator
Generate random UUID v4 identifiers instantly — in your browser.
Unix timestamp converter
Convert Unix time to a date and back — right in your browser.
HEX to RGB color converter
Convert HEX colors to RGB and HSL — instantly in your browser.
Hash generator — MD5, SHA-256
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes of text — in your browser.
QR code generator
Turn any text or link into a QR code — download as PNG or SVG, in your browser.
QR code reader
Scan a QR code from an image and read its text — right in your browser.
Image to Base64
Turn any image into a data URI or raw Base64 string — nothing is uploaded.
CSV to JSON
Convert CSV rows into a JSON array of objects — in your browser, no upload.
JSON to CSV
Flatten a JSON array of objects into CSV — on your device, instantly.
JSON to YAML
Convert JSON to clean, readable YAML — privately in your browser.
Case converter
UPPER, lower, Title, camelCase, snake_case, kebab-case and more — instantly.
Word counter
Words, characters, sentences, paragraphs and reading time — nothing uploaded.
Lorem ipsum generator
Placeholder paragraphs for layouts and mockups — copy and paste.
Slug generator
Turn a title into a clean URL slug — accents and Turkish letters handled.
Markdown to HTML
Convert Markdown to HTML and preview it — on your device.
Text diff checker
Compare two texts line by line and see what changed — privately.
Regex tester
Test a regular expression against text with live matches and groups.
HTML entity encoder / decoder
Escape < > & " ' or decode &amp;, &#39;, &#x41; — instantly.
Number Base Converter
Convert between binary, octal, decimal and hexadecimal — enter a value like 0xff, 0b1010 or 255 and see every base at once.
JSON to XML Converter
Turn a JSON object into clean, indented XML — instantly and privately in your browser.
Text to Binary Converter
Convert text into 8-bit binary (UTF-8) instantly, right in your browser.
Binary to Text Converter
Decode space-separated 8-bit binary back into text (UTF-8), right in your browser.
Cron Expression Explainer
Understand any 5-field cron expression in plain language — minute, hour, day, month and weekday, explained field by field.

Image conversion

HEIC → JPG
the most compatible photo format on the webUses our server — copy deleted within 1 hour
HEIC → PNG
lossless, with full transparency supportUses our server — copy deleted within 1 hour
JPG → PNG
lossless, with full transparency support
PNG → JPG
the most compatible photo format on the web
PNG → WEBP
small files with quality close to the original
WEBP → PNG
lossless, with full transparency support
JPG → WEBP
small files with quality close to the original
WEBP → JPG
the most compatible photo format on the web
AVIF → JPG
the most compatible photo format on the web
AVIF → PNG
lossless, with full transparency support
JPG → AVIF
the newest format with the smallest file sizes
PNG → AVIF
the newest format with the smallest file sizes
BMP → PNG
lossless, with full transparency support
BMP → JPG
the most compatible photo format on the web
BMP → WEBP
small files with quality close to the original
GIF → JPG
the most compatible photo format on the web
GIF → PNG
lossless, with full transparency support
GIF → WEBP
small files with quality close to the original
TIFF → JPG
the most compatible photo format on the webUses our server — copy deleted within 1 hour
TIFF → PNG
lossless, with full transparency supportUses our server — copy deleted within 1 hour
TIFF → WEBP
small files with quality close to the originalUses our server — copy deleted within 1 hour
HEIC → WEBP
small files with quality close to the originalUses our server — copy deleted within 1 hour
AVIF → WEBP
small files with quality close to the original
WEBP → AVIF
the newest format with the smallest file sizes
GIF → AVIF
the newest format with the smallest file sizes
BMP → AVIF
the newest format with the smallest file sizes