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KlockBase

All Tools

Browse our collection of free online tools.

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JSON Formatter & Validator

Format, validate & beautify JSON data

Developer Tools
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Base64 Encoder / Decoder

Encode & decode Base64 strings

Developer Tools
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Color Code Converter

Convert between HEX, RGB, HSL & more

Design Tools
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Lorem Ipsum Generator

Generate placeholder text

Text Tools
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Word & Character Counter

Count words, characters & more

Text Tools
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QR Code Generator

Create QR codes for any content

Business Tools
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Image to Base64 Converter

Convert images to Base64 strings

Developer Tools
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CSS Gradient Generator

Design & export CSS gradients

Design Tools
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Markdown Preview

Live preview for Markdown text

Developer Tools
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Password Strength Checker

Check & improve password strength

Niche Tools
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UUID Generator

Generate UUID v4 identifiers

Developer Tools
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Unix Timestamp Converter

Convert Unix timestamps to dates

Developer Tools
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URL Encoder / Decoder

Encode & decode URLs

Developer Tools
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Hash Generator

Generate SHA-256 & other hashes

Developer Tools
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Image Compressor

Compress & resize images

Design Tools
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Regex Tester & Debugger

Test & debug regular expressions

Developer Tools
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JSON to CSV / CSV to JSON

Convert JSON to CSV and back

Data & AI Tools
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JWT Decoder

Decode & inspect JWT tokens

Developer Tools
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SQL Formatter & Beautifier

Format & beautify SQL queries

Developer Tools
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Text Diff Checker

Compare texts & find differences

Developer Tools
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Image Format Converter

Convert image formats

Design Tools
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Percentage Calculator

Calculate percentages easily

Niche Tools