Fix42
22+ Pro Tools. Zero Friction. Actually Free.
For professionals and everyday netizens. New tools added weekly.
Popular Tools
Most used tools by our community
All Tools by Category
Discover all 22+ tools organized by use case. Perfect for developers, researchers, and content creators.
Image Processing Tools
Convert, edit, and analyze images
Image Converter
Transform images between PNG, JPG, and SVG formats
SVG Converter
Transform logos into scalable vector graphics
SVG Blob Generator
Create organic blob shapes for modern web design
SVG Code to Image
Convert SVG code to PNG, JPG, or WebP formats
Image to Doodle
Transform photos into sketches and line art drawings
YouTube Thumbnail Extractor
Extract HD thumbnails from YouTube videos instantly
ASCII Art Generator
Transform text into ASCII art with multiple font styles
File Processing Tools
CSV, JSON, PDF, and data conversion tools
CSV Viewer
Process massive CSV files with smart pagination
JSON ↔ CSV Converter
Convert between JSON and CSV with smart type detection
GenBank to FASTA
Convert GenBank files to FASTA format for sequence analysis
PDF Merger
Combine multiple PDF files into one with drag-drop reordering
PDF Splitter
Split PDFs by pages, ranges, or into individual files
PDF Add Password
Protect PDF files with strong password encryption
PDF Remove Password
Unlock password-protected PDF files securely
PDF Rotator
Fix PDF page orientation and rotation issues
Developer Tools
Essential tools for coding and development
JSON Formatter
Format, validate & fix JSON with auto-repair
JSON ↔ CSV Converter
Convert between JSON and CSV with smart type detection
Diff Checker
Compare text and code with syntax highlighting
AI Token Calculator
Calculate LLM tokens and estimate costs for GPT, Claude
Base64 Encoder
Encode and decode Base64 data with ease
Hash Generator
Generate SHA-256 and SHA-1 hashes for data integrity
Markdown Preview
Live markdown editor with syntax highlighting & HTML export
IP Address Lookup
Geolocation, ISP info & IP comparison with visual maps
Bioinformatics Tools
DNA analysis and sequence processing tools
GenBank to FASTA
Convert GenBank files to FASTA format for sequence analysis
Reverse Complement
Calculate DNA reverse complement for PCR primer design
Primer Tm Calculator
Calculate melting temperatures for PCR primers
GC Content Calculator
Analyze DNA/RNA sequence composition and GC content
FASTQ Quality Viewer
Visualize sequencing quality scores for NGS QC
Educational & Utilities
Learning tools and general utilities
German Learning
Practice German translation with A1-C2 levels
ASCII Art Generator
Transform text into ASCII art with multiple font styles
QR Generator
Create beautiful QR codes from text, URLs, or data
Password Generator
Generate secure passwords with customizable options
Unit Converter
Convert between length, weight, temperature, and more
Built for Real People
We got tired of "free" tools that weren't really free, required signups, or disappeared behind paywalls. So we built Fix42 - tools that respect your time and privacy.
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