Free tools
23 free social media tools for writing and planning.
Free, browser-based utilities for founders and lean teams. No account is needed to use them. Processing stays in your browser; choosing Save in Cadencz sends your result to your workspace after sign-in.
Social media character counter
Check a post against the current limits for X, LinkedIn, Threads, Bluesky, and more.
Free UTM builder for social media
Create clean campaign links for social posts, newsletters, launches, and product updates.
LinkedIn bold and italic text generator
Bold, italic and monospace text for feeds that have no formatting controls.
Aesthetic font generator for bios and captions
Thirteen Unicode text styles for bios, captions, and display names.
Best time to post on Instagram
Posting windows converted between your timezone and your audience's.
Invisible character and line break generator
Blank characters and caption line breaks that survive Instagram and TikTok.
Reading time and script length calculator
Reading time, spoken time, and structure counts for scripts and posts.
Text cleaner for AI drafts and pasted copy
Remove em dashes, smart quotes, and invisible characters from a draft.
Aspect ratio calculator for social video and images
Resize to a ratio, or find the ratio of a size you already have.
Engagement rate calculator
Engagement rate by reach and by followers, with the formula shown.
TikTok hook, script and caption generator
Hook structures, a timed script outline, and a caption skeleton for TikTok.
Emoji combos to copy and paste
Emoji combos by mood and occasion, plus a strip to assemble your own.
Aesthetic symbols and cool symbols to copy and paste
Stars, hearts, arrows and decorative symbols, with a divider builder.
Discord timestamp generator
Timestamps in all seven Discord styles, plus decoding from a message ID.
Glitch text generator for zalgo and cursed text
Zalgo, glitch and cursed text with intensity control and a remover.
Best time to post on TikTok
TikTok posting windows by day, converted between timezones.
CPM, CPC, CTR and RPM calculator
CPM, CPC, CTR and RPM from any two numbers, formula shown.
Case converter for uppercase, lowercase, title and sentence case
Uppercase, lowercase, title, sentence and developer cases, with counts.
Color picker from image
Read any pixel as HEX, RGB and HSL, and extract a palette.
Upside down text generator with flip, reverse and mirror
Upside down, flipped, reversed and mirrored text from one input.
Strikethrough text generator for cross out and underline
Strikethrough, underline and overline for feeds with no formatting.
Superscript and subscript generator
Unicode superscript and subscript, with the gaps named.
WebP to PNG converter, and PNG, JPG and WebP any way round
WebP, PNG and JPG conversion in the browser, twenty files at a time.
Why free tools?
Start with one useful job.
The best marketing tools remove a small piece of repeated work immediately. Use a counter before a post goes live, tag a link before a launch, or check an image before it reaches the queue.
When the work becomes a weekly system, Cadencz connects the source, planning, platform-native writing, approval, scheduling, publishing, and analytics in one workspace.
Build a week from your product context