logo
GeekFormat
Free Online Toolbox, No Download, Instant Access

Practical Tools

GeekFormat is built for developers, operators, students, and office teams who want to open a page, finish the task, and move on. We focus on practical online utilities that are fast, clear, multilingual, and as local-first as the scenario allows.

Recently Used

Browse Categories

100% free, no registration! GeekFormat offers online tools: PDF tools, image compression, JSON formatter, 36-category unit converter, Base64 encoding, QR code generator, for developers & webmasters.

31+ tools

JSON Tools

JSON toolkit for developers: format, minify, merge, compare, convert CSV/YAML/XML/SQL/TS, JSONPath query, validate and repair. Runs locally in browser, no upload, private.

JSON Formatter★JSON Schema ValidatorJSON CompressAll Tools
52+ tools

Encoding & Crypto

Encoding and crypto toolkit: Base64 encode/decode, URL/HTML entities, MD5/SHA hashing, AES/DES encryption, JWT decoding, base conversion, UUIDs. Browser-local, no upload.

Base64 Encode★URL EncodeMD5 HashAll Tools
23+ tools

PDF Tools

Complete PDF toolkit: merge PDFs, split pages, compress size, convert formats, encrypt/decrypt with password, add watermarks and page numbers. Browser-local, no upload, private.

PDF Editor★Compress PDFImages to PDFAll Tools
15+ tools

Image Tools

Image processing toolkit: compress JPG/PNG/WebP, convert formats (ICO/AVIF/SVG), resize, crop, rotate, add watermarks, read EXIF, generate QR codes. Canvas-local, no upload.

Image Compressor★Image EditorImage Format ConverterAll Tools
42+ tools

Network Tools

Network diagnostics for devs: HTTP debug, DNS lookup, IP geolocation, SSL inspection, URL parse/encode, User-Agent and cookie analysis. Browser-based, no tracking.

URL Parser★What Is My IP?IP LookupAll Tools
37+ tools

Unit Converter

Free online unit converter with 36 categories for length, weight, temperature, area, volume, voltage, storage and more. Metric, imperial and Chinese units.

Unit Converter★Wire Gauge Converter /…Length ConverterAll Tools
52+ tools

Dev Utilities

Handy dev utilities: regex tester, timestamp/date conversion, color picker (HEX/RGB/HSL), unit/currency conversion, text/code diff, barcodes and CRON. Local in browser.

QR Code & Barcode Gener…★Currency ConverterTime ToolsAll Tools
Why Choose GeekFormat

A modern toolbox built for speed, privacy, and simplicity.

Completely Free

No hidden fees, no registration. All tools are free to use forever.

Lightning Fast

Open the page and start. No downloads, no installations required.

Privacy First

Local-first processing keeps your data safe on your device.

All-in-One Toolbox

200+ tools covering development, office work, and design workflows.

TOP

Hot Tools

Showing 41 real popular tools from the site. Switch tabs to replace the list below by category.

View All
Ready to get started?

Pick any tool from the list above and start using it in seconds. No signup, no friction.

Explore All ToolsSearch