All Tools

Every mini tool I've built, sorted by usefulness. Free, no signup needed.

Data conversion

Convert, encode, decode, format — instantly, right in your browser.

Data conversion

JSON Formatter

Paste JSON, get it formatted and validated. Free, no signup, runs in your browser.

#json#formatter#validator

Data conversion

JSON ↔ YAML Converter

Convert between JSON and YAML both ways. Free, no signup, runs in your browser.

Data conversion

Regex Tester

Test JavaScript regex patterns with live matching and capture group highlighting.

#regex#validator

Data conversion

JSON ↔ CSV Converter

Convert a JSON array to CSV and back. Free, no signup, runs in your browser.

Data conversion

Base64 Encoder

Encode and decode Base64 strings — text, URLs, file content. Browser-native, no network calls.

#base64#encoder#decoder

Data conversion

URL Encoder / Decoder

Percent-encode and decode URL components. Free, no signup, runs in your browser.

Data conversion

Timestamp Converter

Convert Unix timestamps to human dates and back. Free, no signup, runs in your browser.

Data conversion

Color Converter

Convert colors between HEX, RGB and HSL with a live preview. Free, runs in your browser.

Data conversion

JWT Decoder

Decode a JWT's header and payload in your browser. Free, no signup, no upload.

Data conversion

Number Base Converter

Convert numbers between binary, octal, decimal and hex. Free, runs in your browser.

Office

Handle office files (PDF, Excel, QR) — no server upload.

Office

PDF Merge & Split

Merge multiple PDFs into one, or extract pages into a new PDF — entirely in your browser, no upload.

#pdf#merge#split

Office

PDF to Image

Convert each page of a PDF into a PNG image — entirely in your browser, no upload. Download a single page or all pages as a ZIP.

#pdf#image#png

Office

Excel & CSV Viewer

Open and view Excel (.xlsx/.xls) or CSV files as a table — entirely in your browser, no upload. Switch sheets, copy or download as CSV.

#excel#csv#spreadsheet

Office

Markdown to PDF

Write or paste Markdown, see a live formatted preview, and export a clean PDF — entirely in your browser, no upload.

#markdown#pdf#md

Office

QR Code Generator

Generate a QR code from any text or URL and download it as PNG or SVG — entirely in your browser, no upload.

#qr#qrcode#generator

Office

Word & Character Counter

Count words, characters, sentences, paragraphs and reading time as you type — entirely in your browser.

#word-count#character-count#text

Image editing

Resize, compress, convert images — your files never leave your device.

Image editing

Image Resizer & Cropper

Resize and crop images right in your browser — set exact pixel dimensions or a crop region, then download. No upload, fully private.

#image#resize#crop

Image editing

Image Compressor

Shrink PNG, JPG, and WebP file sizes right in your browser — set a quality level or a target size, then download. No upload, fully private.

#image#compress#optimize

Image editing

Image Format Converter

Convert images between PNG, WebP, and JPG right in your browser — pick a format, set quality for lossy types, then download. No upload, fully private.

#image#convert#png

Image editing

Image to Base64

Turn any image into a Base64 data URI right in your browser — copy it to embed inline in HTML or CSS. No upload, fully private.

#image#base64#data-uri

Image editing

Favicon Generator

Generate a full favicon set from one image right in your browser — PNGs, a multi-size favicon.ico, a web manifest, and the link snippet, all in one ZIP. No upload, fully private.

#image#favicon#ico

Image editing

Image Watermark

Add a text or image watermark to a picture right in your browser — set position, opacity, and size with a live preview, then download. No upload, fully private.

#image#watermark#text

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