Free browser-based writing tool

Social Media Hashtag Counter & Cleaner

Paste a list or a finished caption. Count the hashtags, remove repeated tags, spot formatting that needs a second look, and copy a clean set without connecting a social account.

Nine writing contextsNo loginProcessed in your browser
See the difference

One topic, one clean tag

Keep the wording you chose. Remove the duplicate that slipped in while editing.

Before#CoffeeRoasting #coffeeroasting #SmallBatch
After#CoffeeRoasting #SmallBatch

The cleaner keeps the first spelling and order unless you choose alphabetical sorting.

Clean your draft

Count, deduplicate and copy the tags you want to keep

Choose whether you are pasting tags alone or a full caption. The result updates as you edit.

Reading the result

Three checks before a clean set is ready

Removing duplicates solves a formatting problem. Choosing useful topics remains a human decision.

Count the distinct topics

Found includes every parsed occurrence. Unique is the list after repeated spellings have been removed. A smaller number is not a performance score; it simply shows how many distinct tokens remain.

Found - duplicates = unique

Inspect unusual formatting

A hyphen can split what looks like one tag into two pieces. A bare # and a number-only tag are also worth checking. The tool flags obvious cases, but it cannot decide your intended wording.

Review the original, not just the output

Confirm relevance

Read the cleaned set next to the actual post, video or document. If a term does not describe the content or the audience you want to reach, remove it before you publish.

Keep the terms that explain the post

How it works

Cleaning is not the same as choosing

A hashtag counter has one straightforward job: show the tags present in the text. A cleaner adds another: remove repeats and present a copyable version. Neither job requires access to your Instagram account, YouTube channel, LinkedIn Page or X profile. Paste your own draft, inspect the result and leave with a set you can review in the destination app. This tool is deliberately smaller than a content strategy product. It does not tell you which terms are trending, how many searches they receive, or whether a post will be recommended.

If you paste a list, the tool splits it at spaces, commas, semicolons and line breaks. It adds # when a word in that list does not already have one. If you paste a caption or post, it extracts only hashtag-like tokens and leaves the original text untouched. This distinction matters: a sentence with ordinary words should never become dozens of accidental hashtags. The clean output is a list for copying, not an automatic rewrite of your caption. That keeps you in control of where each tag belongs.

Duplicate detection ignores case and normalizes comparable Unicode forms. The first version of a tag stays in place: if you entered #CoffeeRoasting before #coffeeroasting, the first spelling is the one you see in the result. Switch on alphabetical sorting only if you are preparing a library and want a predictable order. When you are editing a caption, original order is often more useful because it reflects how you grouped terms during drafting.

Formatting notes are intentionally modest. The cleaner can spot a bare # or a hyphen inside a would-be tag, but it cannot know whether the two words around that hyphen were meant to form one phrase. It will not join them automatically or invent a new tag. Likewise, a number-only token gets a review note rather than a promise about how every platform treats it. Search behavior and publishing fields can change. Verify the final text in the actual composer before you post.

A worked example with a product tutorial

Imagine a coffee shop preparing a short brewing tutorial. Someone copies an old tag set, adds two new ideas and ends up with #CoffeeRoasting #coffeeroasting #HomeBrewing #Small-Batch #CoffeeTips. The first two tokens are the same topic with different capitalization. The hyphenated phrase is not a single clean hashtag in this tool. Paste the string in list mode and the cleaner will keep the first #CoffeeRoasting, keep the other well-formed tags and ask you to review #Small-Batch. It does not silently change that phrase into #SmallBatch because the correct wording may instead be #SmallBatchCoffee or no tag at all.

Now read the result against the video. If the video shows a home brewing step, #HomeBrewing is easy to justify. If roasting is never shown or discussed, #CoffeeRoasting may be misleading even though the software sees it as perfectly formatted. This is the central difference between technical cleaning and editorial review. Use the former to remove friction; use the latter to decide what belongs in the post.

Why the same list should not go everywhere

The hashtag-like string is only one part of a publishing surface. On YouTube, visible hashtags in a title or description are different from the separate video Tags field in Studio. X has native searchable hashtags inside posts. Threads has a selectable topic-tag experience that should not be replaced by pasting a string of #words. Instagram and TikTok combine written terms with the media itself; the title, caption, audio, visual and audience context all affect what a visitor understands. This page does not flatten those differences into one universal recommended number.

That is why the platform selector changes the note beside the result, not the parsing algorithm or a hard-coded limit. Snapchat Spotlight offers #Topics, which you choose in its posting flow. Reddit communities use post flair for categorization; cleaning a list of #words does not create flair. A duplicate remains a duplicate regardless of platform, but the cleaned output is not universally ready to paste. Open the relevant guide before preparing the final post for each destination.

Use the result as part of a content handoff

For a single post, copy the clean set into the draft and read the complete caption or description aloud. For a team, save the text next to the asset, approved copy, date and destination platform. A tag library without those details quickly becomes a folder of words that nobody remembers how to use. The optional TXT download is a lightweight way to keep the current set; name the file after the topic and platform when you store it with the rest of the content brief.

When the media changes, revisit the tags. A video about preparing a product and a carousel about its final appearance can share a campaign theme while describing different things. The same principle applies when a guide is revised: old tags may name a feature that was removed or a location no longer served. The cleaner has no way to see the media or the latest product facts. A quick manual comparison before publication protects the quality of the finished post.

A repeatable process

Build a small hashtag workflow you can actually maintain

Begin with a content brief, not a huge list of popular tags. Write one sentence explaining who the post is for and what the media or text actually covers. Pull possible terms from the words a customer would use to name that subject, the product or technique shown, and the series or campaign the post belongs to. Keep each idea in plain language until you have a reason to turn it into a hashtag. This stops the tool from becoming a shortcut for adding unrelated terms simply because they are available.

Next, prepare a draft set. You might include one precise topic, a narrower detail and a campaign term. A local event might need the actual event name or place; an educational clip might need the process shown; a business update might need the project category. Do not worry about fitting an arbitrary target number at this stage. Paste the set into the cleaner, remove duplication and decide whether any formatting note points to an ambiguous phrase. The tool saves you from manual comparison of capitalized variants, but the subject choices still belong to the editor.

Move the cleaned set into the finished post. Does the opening sentence identify the topic without relying on tags? If not, fix the sentence. Does each tag point to something a reader can find in the content? If not, remove it. This is especially important when an asset changed after the caption was written. A tag about a tutorial does not turn an announcement into a tutorial. The clearest posts work as complete pieces of communication, with tags as supporting labels rather than a replacement for the message.

Finally, record what you used and what you learned. A simple sheet can include platform, date, post URL, topic, tag set and any follow-up question from readers. Avoid treating one successful post as proof that its exact tag combination caused the result. Format, creative, audience interest, timing and the substance of the post changed too. The record is useful for spotting irrelevant leftovers and building a library of terms that describe real subjects, not for manufacturing a guaranteed formula.

If you manage multiple accounts, separate each account’s vocabulary. Two clients can both publish about food while serving different people, locations and price points. Reusing the same generic block across both makes the work less specific. Keep a small approved list per client or series, then customize it for the actual asset. The Content Calendar Generator can organize upcoming topics, while the Character Counter & Post Preview can check the complete final draft after tags are added. Those tools solve adjacent problems; neither substitutes for this deduplication step.

When you are ready to publish, verify the tags in the platform itself. This final check is important even when the cleaned output looks correct. A platform can treat capitalization, punctuation, composer fields or a special topic tag differently from a plain text parser. If a term is not recognized as intended, return to the draft, correct it and update the saved set. The goal is a readable, accurate post with less repetitive manual work.

Platform and editing guides

Choose the writing surface that matches your post

Nine platform contexts and two practical editing guides. Each explains a different decision after the list is cleaned.

Threads topic tags

Use the cleaner for planning, then choose the topic in Threads itself.

Read the Threads guide

X hashtags

Check concise, searchable terms without repeating them in a short post.

Read the X guide

Snapchat Spotlight #Topics

Prepare topic ideas for a video, then choose the actual #Topics when posting to Spotlight.

Read the Snapchat guide

Reddit post flair

Clean copied tags and plan a post, then select any required flair inside the subreddit.

Read the Reddit guide

Remove duplicates

Understand case, punctuation and the mistakes a parser should not guess at.

Read the cleaning guide

Organize tag groups

Keep reusable sets relevant to a specific series, account and asset.

Read the group guide

Questions

Hashtag cleaner FAQ

Does this tool look up trending hashtags?

No. It counts and cleans the text you provide. It does not query a platform or estimate search volume.

Will it change my original caption?

No. Caption mode extracts hashtag-like text into a separate clean list. Your original input stays available for comparison.

Does it enforce one official hashtag limit?

No. Platforms, fields and formats differ. The tool reports what it finds and asks you to check the final platform editor.

Can I use it for Threads?

You can clean a candidate list for planning. Threads has its own topic-tag selection, so choose the topic in Threads rather than expecting a pasted list to create the same feature.

Does Snapchat Spotlight use #Topics?

Yes. Use this tool to clean candidate labels, then choose the actual #Topics in Snapchat when posting your Spotlight video. The tool does not add them for you.

Can this tool set Reddit post flair?

No. Reddit post flair is selected in the subreddit composer if that community offers or requires it. The tool can clean literal #words from planning notes, but its output is not a Reddit flair.

Is my draft uploaded or saved?

No. This tool runs in your browser and does not send the pasted text to an SMTasker API.

From a clean draft to a routine

Keep the content and the work around it organized

After you prepare the wording, SMTasker can help manage supported publishing and engagement workflows from connected Android devices, with schedules, limits and activity logs.