Tools
Free tools to build, preview, and optimize your links.
Markdown Editor
Write Markdown, preview instantly, and save locally.
Mermaid Editor
Write Mermaid diagrams, preview instantly, and save locally.
JSON Formatter & Validator
Format, validate, and minify JSON quickly.
Base64 Encoder / Decoder
Encode and decode Base64 text with URL-safe option.
JWT Decoder & Inspector
Decode JWT claims and inspect token timing fields.
Regex Tester
Test regex patterns and preview replacements.
Meta Ads URL Builder
Build Facebook/Instagram campaign links with UTM tags.
Google Ads Tracking Builder
Build Google Ads URLs with UTM + ValueTrack placeholders.
Campaign Bulk URL Builder
Generate campaign URLs in bulk from CSV rows.
UTM Naming Validator
Validate UTM naming consistency before launch.
UTM Builder
Generate UTM-tagged URLs for campaigns and analytics.
Social Preview
Preview how a link looks on social platforms.
Image Resizer & Compressor
Resize and compress images quickly in your browser.
QR Code Generator
Generate QR codes to share links offline.
Password Generator
Generate strong passwords in one click.
Instagram Hashtags Generator
Generate hashtag ideas for your content.
2FA Code Generator
Generate TOTP/HOTP codes from your secret key.